Appendixes

Version 2.1 by Iris on 2025/10/23 15:53

$file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps112.png$ Appendix 1 Special Relay (SM)

Error Message

SM sign	Name	Content	R/W	Retention on Power Loss
SM0	Latest error message	OFF: No error ON: There is an error	R	×
SM1	Reserved
SM2	Error release	OFF→ON: Error clearing request ON→OFF: Error cleared	R/W	×
SM3	Low battery voltage	OFF: Normal ON: Low battery voltage	R	×
SM4	Low battery voltage latch	OFF: Normal ON: Low battery voltage	R	×
SM5	Reserved		R	×
SM6	PLC hardware error	OFF: No error ON: Error	R	×
SM7	PLC communication error	OFF: No error ON:Error	R	×
SM10	Parameter error	OFF: No error ON: Error	R	×
SM11	Operation error	OFF: No error ON: Error	R	×
SM14	Operation error latch	OFF: No error ON: Error	R	×

System Information

SM sign	Name	Content	R/W	Power-down save
SM30	Low battery warning shield	OFF: Close (Default) ON: Open	R/W	×
SM31	Clear all the non-holding registers	OFF→ON: Clear request ON→OFF: Cleared	R/W	×
SM32	Clear all the holding registers	OFF→ON: Clear request ON→OFF: Cleared	R/W	×
SM33	All devices remain unchanged in stop state	OFF: Close (Default) ON: Open	R/W	×
SM34	All PLC outputs are OFF	OFF: Close (Default) ON: Open	R/W	×
SM35	Low battery BAT light status	OFF: BAT lamp is invalid (default) ON: Low battery BAT light is on	R/W	×
SM36~SM49	Reserved
SM53~SM99	Reserved

Clock Information

SM sign	Name	Content	R/W	Power-down save
SM100	Always ON after RUN		R	×
SM101	Always OFF after RUN		R	×
SM102	The first cycle after RUN is ON		R	×
SM103	The first cycle after RUN is OFF		R	×
SM104	USB power supply	It is under USB power supply mode when it is ON. At this time, it only supports downloading, clock setting, password setting and other functions.	R	×
SM105~SM106	Reserved		R	×
SM107	Clock stop and preset	Stop clock running and display	R/W	×
SM108	Clock reading display stopped	Internal running of clock, display stopped	R/W	×
SM109	1min oscillation clock	Switch state every 30s	R	×
SM110	1ms oscillation clock	Switch state every 0.5ms	R	×
SM111	10ms oscillation clock	Switch state every 5ms	R	×
SM112	100ms oscillation clock	Switch state every 50ms	R	×
SM113	1s oscillation clock	Switch state every 500ms	R	×
SM114	nms oscillator clock	Switch state every (n/2)ms, n is set by SD114	R	×
SM115	ns oscillator clock	Switch state every (n/2)s, n is set by SD115	R	×
SM116	±30s correction	Clear when the clock seconds are less than 30S, carry the digits when the clock seconds are greater than 30S	R/W	×
SM117~SM119	Reserved		R	×

Scan Information

SM sign	Name	Content	R/W	Power-down save
SM120	Constant scan cycle	OFF: Not enabled (default) ON: enabled	R/W	×
SM121	RUN, STOP control	OFF: STOP ON: RUN	R/W	×
SM122	Ladder diagram watchdog function switch	OFF: Not enabled ON: enabled (default)	R/W	×

Instruction Related

SM sign	Name	Content	R/W	Power-down save
SM151	Carry sign	OFF: Carry not occurred in calculation ON: Carry occurred in calculation	R	×
SM152	Abdication sign	OFF: abdication not occurred in calculation ON: abdication occurred in calculation	R	×
SM153	Zero sign	OFF: The result is not zero OFF: The result is zero	R	×
SM160	XCH exchange mode	OFF: parameter 1 is switched with parameter 2 ON: The upper eight bits are switched with eighth bits of the parameter itself	R/W	×
SM161	Bit processing mode (ASC, ASCI, BCC, CCD, CRC)	OFF: 16-bit processing mode OFF: 8-bit processing mode	R/W	×
SM165	SORT/SORT2 instruction ascending and descending sequence selection	OFF: Ascending ON: descending	R/W	×
SM167	HKY instruction HEX data processing	OFF: Numeric key+ function key ON: Hex	R/W	×
SM168	SMOV instruction hexadecimal processing	OFF: execute BIN→BCD switch ON: do not execute BIN→BCD switch	R/W	×
SM191	BINDA output character number switching signal	OFF: Output 00H ON: No change	R/W	×
SM224	BMOV instruction direction	OFF: forward transfer ON: reverse transfer	R/W	×
SM226	RAMP instruction mode	OFF: loop execution mode ON: Hold after completion	R/W	×
SM227	HSC instruction mode	OFF: 8-byte serial output (eight characters are fixed) ON: 16-byte serial output (1-16 characters)	R/W	×
SM229	Partial application instruction execution completion sign	OFF: Instruction not executed or is executing ON: instruction is executed	R/W	×
SM240	STL: transfer prohibited	OFF: Ordinary action ON: state transfer prohibited	R/W	×
SM241	IST instruction transfer starts	OFF: IST instruction is not executed ON: IST instruction transfer starts	R/W	×
SM242	IST instruction corresponds to the pulse output of the start input	OFF: not enabled ON: enabled	R/W	×
SM243	End sign of IST instruction homing state (user program control)	OFF: homing not ended ON: homing ended	R/W	×
SM244	IST instruction detects the mechanical origin action (user program control)	OFF: Non-mechanical origin ON: mechanical origin	R/W	×
SM245	For STL instruction: Reset all output when mode switching is prohibited (user program control)	OFF: Reset all output at the time of state switching ON: No action is performed on output at the time of state switching		×
SM246	IST instruction: ON with STL status	OFF: when STL monitoring is invalid (OFF), or when STL monitoring is valid (ON) and all step relays (S devices) are OFF ON: when STL monitoring is valid (ON) and any of the step relays (S devices) is ON		×
SM247	STL monitoring valid	OFF: Invalid ON: turn STL monitoring into valid, and the status numbers (S0-S4095) in action are stored in the special auxiliary relays SD240-SD247 in order from small to large.	R/W	×
SM248	ANS instruction signal alarm action	OFF: The alarm does not act ON: The alarm acts	R/W	×
SM249	ANS instruction signal alarm is valid	OFF: alarm is not valid ON: The alarm is valid	R/W	×
SM340	DUTY timing clock output 1	Timing clock output of DUTY instruction	R	×
SM341	DUTY timing clock output 2		R	×
SM342	DUTY timing clock output 3		R	×
SM343	DUTY timing clock output 4		R	×
SM344	DUTY timing clock output 5		R	×

Interrupt Prohibited

SM sign	Name	Content	R/W	Power-down save
SM352	X0 rising edge interrupt	OFF: X0 rising edge interrupt valid ON: X0 rising edge interrupt prohibited	R/W	×
SM353	X0 falling edge interrupt	OFF: X0 falling edge interrupt valid ON: X0 falling edge interrupt prohibited	R/W	×
SM354	X1 rising edge interrupt	OFF: X1 rising edge interrupt valid ON: X1 rising edge interrupt prohibited	R/W	×
SM355	X1 falling edge interrupt	OFF: X1 falling edge interrupt valid ON: X1falling edge interrupt prohibited	R/W	×
SM356	X2 rising edge interrupt	OFF: X2 rising edge interrupt valid ON: X2 rising edge interrupt prohibited	R/W	×
SM357	X2 falling edge interrupt	OFF: X2 falling edge interrupt valid ON: X2 falling edge interrupt prohibited	R/W	×
SM358	X3 rising edge interrupt	OFF: X3 rising edge interrupt valid ON: X3 rising edge interrupt prohibited	R/W	×
SM359	X3 falling edge interrupt	OFF: X3 falling edge interrupt valid ON: X3 falling edge interrupt prohibited	R/W	×
SM360	X4 rising edge interrupt	OFF: X4 rising edge interrupt valid ON: X4 rising edge interrupt prohibited	R/W	×
SM361	X4 falling edge interrupt	OFF: X4 falling edge interrupt valid ON: X4 falling edge interrupt prohibited	R/W	×
SM362	X5 rising edge interrupt	OFF: X5 rising edge interrupt valid ON: X5 rising edge interrupt prohibited	R/W	×
SM363	X5 falling edge interrupt	OFF: X5 falling edge interrupt valid ON: X5 falling edge interrupt prohibited	R/W	×
SM364	X6 rising edge interrupt	OFF: X6 rising edge interrupt valid ON: X6 rising edge interrupt prohibited	R/W	×
SM365	X6 falling edge interrupt	OFF: X6 falling edge interrupt valid ON: X6 falling edge interrupt prohibited	R/W	×
SM366	X7 rising edge interrupt	OFF: X7 rising edge interrupt valid ON: X7 rising edge interrupt prohibited	R/W	×
SM367	X7 falling edge interrupt	OFF: X7 falling edge interrupt valid ON: X7 falling edge interrupt prohibited	R/W	×

High-speed Input and Output

SM sign	Name	Content	R/W	Power-down save
SM400	HSC0 contact status	OFF: The count doesn’t reach the set value ON: the count reaches the set value	R	×
SM401	HSC0 motion direction	OFF: Positive direction ON: reverse direction	R	×
SM405	HSC0 counting direction	OFF: CTU ON: CTD	R/W	×
SM406~SM429	Reserved
SM430	HSC1 contact status	OFF: The count doesn’t reach the set value ON: the count reaches the set value	R	×
SM431	HSC1 motion direction	OFF: Positive direction ON: reverse direction	R	×
SM435	HSC1 counting direction	OFF: CTU ON: CTD	R/W	×
SM436~SM459	Reserved
SM460	HSC2 contact status	OFF: The count doesn’t reach the set value ON: the count reaches the set value	R	×
SM461	HSC2 motion direction	OFF: Positive direction ON: reverse direction	R	×
SM465	HSC2 counting direction	OFF: CTU ON: CTD	R/W	×
SM466~SM489	Reserved
SM490	HSC3 contact status	OFF: The count doesn’t reach the set value ON: the count reaches the set value	R	×
SM491	HSC3 motion direction	OFF: Positive direction ON: reverse direction	R	×
SM495	HSC3 counting direction	OFF: CTU ON: CTD	R/W	×
SM496~SM519	Reserved
SM520	HSC4 contact status	OFF: The count doesn’t reach the set value ON: the count reaches the set value	R	×
SM521	HSC4 motion direction	OFF: Positive direction ON: reverse direction	R	×
SM525	HSC4 counting direction	OFF: CTU ON: CTD	R/W	×
SM526~SM549	Reserved
SM550	HSC5 contact status	OFF: The count doesn’t reach the set value ON: the count reaches the set value	R	×
SM551	HSC5 motion direction	OFF: Positive direction ON: reverse direction	R	×
SM555	HSC5 counting direction	OFF: CTU ON: CTD	R/W	×
SM556~SM579	Reserved
SM580	HSC6 contact status	OFF: The count doesn’t reach the set value ON: the count reaches the set value	R	×
SM581	HSC6 motion direction	OFF: Positive direction ON: reverse direction	R	×
SM585	HSC6 counting direction	OFF: CTU ON: CTD	R/W	×
SM586~SM609	Reserved
SM610	HSC7 contact status	OFF: The count doesn’t reach the set value ON: the count reaches the set value	R	×
SM611	HSC7 motion direction	OFF: Positive direction ON: reverse direction	R	×
SM615	HSC7 counting direction	OFF: CTU ON: CTD	R/W	×
SM616~SM639	Reserved

Communication

SM sign	Name	Content	R/W	Power-down save
Communication COM1
SM2540SM2540	COM1 send control on		R/W	×
SM2541	COM1 send control/send prompt		R/W	×
SM2542	COM1 receive control on		R/W	×
SM2543	COM1 accept control/receive prompt		R/W	×
SM2544	COM1 8-bit mode		R/W	×
SM2560	COM1 communication completion sign		R/W	×
SM2561	COM1 receiving sign		R/W	×
SM2562	COM1retry		R/W	×
SM2563	COM1 communication error		R/W	×
SM2564	COM1communication timeout		R/W	×
SM2565	Reserved			×
SM2566	Reserved			×
SM2567	Reserved			×
SM2568	Reserved			×
SM2569	Reserved			×
SM2570	Reserved			×
SM2571	Reserved			×
Communication COM2
SM2590	COM2 send control on	OFF: Data transmission will be controlled by SM2591 ON: Data transmission is performed automatically	R/W	×
SM2591	COM2 send control/send prompt	OFF→ON: data transmission starts ON→OFF: data transmission ends	R/W	×
SM2592	COM2 receive control on	OFF: when data are fully received, it will be automatically stopped ON: Received normally, not affected by sign SM2593	R/W	×
SM2593	COM2 accept control/receive prompt	OFF: Data is not received fully or data is not received (according to the status of SM2592) ON: Data is received fully or data is received (according to the status of SM2592)	R/W	×
SM2594	8-bit mode of COM2 (for RS user-defined protocol)	OFF: 16-bit mode ON: 8-bit mode		×
SM2610	Communication completion sign	OFF: communication not completed ON: communication completed	R/W	×
SM2611	Receiving sign	OFF: data is not received ON: data is being received	R/W	×
SM2612	Retry	OFF: no retry occurs ON: retry occurs	R/W	×
SM2613	Communication error	OFF: No error ON: communication error occurred	R/W	×
SM2614	Communication timeout	OFF: normal communication ON: communication timeout	R/W	×
SM2615	Reserved

List of Ethernet-related Special Devices

SM sign	Name	Content	R/W	Power-down save
SM2681	Display current network information	Refresh the current IP, subnet mask and default gateway after being set as ON. OFF after refresh is completed.	R/W	×
SM2682	Display current MAC information	Refresh the current MAC after being set as ON. OFF after refresh is completed.	R/W	×
SM2683	IP, subnet mask, gateway modification sign	ON: can be modified OFF: cannot be modified (When being set as ON, STOP->RUN; it can be automatically changed to OFF after modification)	R/W	√
SM2684	Network card connection status	ON: network connected OFF: network not connected; check if the network cable is connected	R	√
SM2692	MAC address modification sign	ON: can be modified OFF: cannot be modified (When being set as ON, STOP->RUN; it can be automatically changed to OFF after modification)	R/W	√

$file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps135.png$ Appendix 2 Special Register (SD)

Error Message

SD label	Name	Content	R/W	Power-down save
SD0	Latest error code of error message	The latest self-diagnosis error code will be stored	R	X
SD1	Reserved
SD2	Set minimum battery voltage	Default: 26 (2.6V)	R/W	X
SD3	Current battery voltage	Unit: 0.1V	R	X
SD4	Battery voltage latch value	When there is a warning showing that the battery voltage is too low, the battery voltage value under error state shall be latched, with the unit being 0.1V.	R	X
SD5	AC/DC power down times	Record the number of the power-down and re-startup of the current power supply	R	X
SD6	Error code of PLC hardware error	Error code of PLC hardware error will be stored	R	X
SD7	PLC communication error code	Error code of communication error will be stored	R	X
SD8	PLC communication error step number low word	The step number of the ladder diagram of communication error will be stored, double word	R	X
SD9	PLC communication error step number high word		R	X
SD10	Parameter error code	Error code of parameter error will be stored	R	X
SD11	Operation error code	Error code of operation error will be stored	R	X
SD12	Operation error program step number low word	The step number of the ladder diagram of operation error will be stored, double word	R	X
SD13	Operation error program step number high word		R	X
SD14	Operation error code latch	Error code of operation error will be stored and such error cannot be cleared by the error removal function	R	X
SD15	Operation error program step number latch low word	The step number of the ladder diagram of operation error will be stored, and such error cannot be cleared by the error removal function, double word	R	X
SD16	Operation error program step number latch high word		R	X
SD17	Program error code	Unpredictable errors occurred in PLC	R	X
SD18	AC220V power down recovery time	The recovery time of AC220V after power down will be stored in ms	R	X
SD19~SD29	Reserved

System Information

SD label	Name	Content	R/W	Power-down save
SD30	Model identification code	Store PLC model identification code, which cannot be modified	R	X
SD31	Software version number	Store PLC software version number, which cannot be modified	R	X
SD32	Hardware version number	Store PLC hardware version number, which cannot be modified	R	X
SD33	Input points	Store PLC input points, which cannot be modified	R	X
SD34	Output points	Store PLC output points, which cannot be modified	R	X
SD35	Number of high-speed input axis	Store number of high-speed input axis of PLC, which cannot be modified	R	X
SD36	Number of high-speed output axis	Store number of high-speed output axis of PLC, which cannot be modified	R	X
SD37 and SD38	Relay identification	Identify how many output points are relay type, use mask mode, each bit identifies one output point, and code 1 is relay type	R	X
SD40~SD47	Product unique ID (16 bytes)	Store product unique ID, which cannot be modified	R	X
SD48	Compile the link version	Store PLC compilation link module version, which cannot be modified	R	X
SD49	Production information string	Store production information and ASCII code		X
SD50~SD99	Model identification code	Store PLC model identification code, which cannot be modified	R	X

Clock Information $file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps138.png$

SD label	Name	Content	R/W	Power-down save
SD100	Real time clock seconds (0~59)	PLC Built-in RTC Clock	R	X
SD101	Real time clock minutes (0~59)		R	X
SD102	Real-time clock hour (0~23)		R	X
SD103	Real time clock day (1~31)		R	X
SD104	Real time clock month (1~12)		R	X
SD105	Real-time clock Gregorian calendar year (2000~2099)		R	X
SD106	Real time clock week		R	X
SD107~SD113	Reserved
SD114	n value of nms oscillation clock	Set the n value of SM114 oscillation clock, and the default is 500ms	R/W	X
SD115	n value of ns oscillation clock	Set the n value of SM114 oscillation clock, and the default is 2s	R/W	X
SD116~SD119	Reserved

Scan Information

SM sign	Name	Content	R/W	Power-down save
SD120	Constant scan cycle time setting (ms)	Default: 10ms	R/W	X
SD122	Watchdog timer time setting value	Unit ms, default: 200ms	R/W	X
SD128	Scan period current value ms part	• The current scan time will be stored in SD128 and SD129. (The measurement is carried out in 1μs) SD128: Store bits of ms (storage range: 0~65535) SD129: Store bits of μs (storage range: 0 ~ 999) (For instance) If the current scan time is 23.6 ms, store it as follows. SD128=23 SD129=600 • When the state changes from STOP to RUN, it will be cleared once.	R	X
SD129	Scan period current value us part		R	X
SD130	Scan period maximum value ms part	The maximum value of the scan time after removing the scan time of the initial execution program is stored in SD 130 and SD 131. (The measurement is carried out in 1μs) SD130: Store bits of ms (storage range: 0~65535) SD131: Store bits of μs (storage range: 0 ~ 999) • When the state changes from STOP to RUN, it will be cleared once.	R	X
SD131	Scan period maximum value us part		R	X
SD132	Scan period minimum value ms part	The maximum value of the scan time after removing the scan time of the initial execution program is stored in SD 133 and SD 134. (The measurement is carried out in 1μs) SD130: Store bits of ms (storage range: 0~65535) SD131: Store bits of μs (storage range: 0 ~ 999) • When the state changes from STOP to RUN, it will be cleared once.	R	X
SD133	Scan period minimum value us part		R	X
SD134	Initial scan time ms part	• The current scan time will be stored in SD134 and SD135. (The measurement is carried out in 1μs) SD134: Store bits of ms (storage range: 0~65535) SD135: Store bits of μs (storage range: 0 ~ 999) • When the state changes from STOP to RUN, it will be cleared once.	R	X
SD135	Initial scan time us part		R	X
SD136	END processing time ms part	• After the scan program ends, the time until the next scan starts will be stored to SD136 and SD137. (The measurement is carried out in 1μs) SD136: Store bits of ms (storage range: 0~65535) SD137: Store bits of μs (storage range: 0 ~ 999) • When the state changes from STOP to RUN, it will be cleared once.	R	X
SD137	END processing time us part		R	X
SD138	Program execution time ms part	Constant scan waiting time (ms unit) • The waiting time at the time of constant scan setting is stored in SD 138 and SD 139. (The measurement is carried out in 1μs) SD138: Store bits of ms (storage range: 0~65535) SD149: Store bits of μs (storage range: 0 ~ 999) • When the state changes from STOP to RUN, it will be cleared once.	R	X
SD139	Program execution time us part		R	X
SD140	Constant scan cycle waiting time ms	•The execution time of the scan program in one scan is stored in SD 140 and SD 141. ( The measurement is carried out in 1μs) SD140: Store bits of ms (storage range: 0~65535) SD141: Store bits of μs (storage range: 0 ~ 999) • When the state changes from STOP to RUN, it will be cleared once.	R	X
SD141	Constant scan cycle waiting time us		R	X
SD150	Current interrupt priority	During the execution of the interrupt program, the priority of the existence of the interrupt will be stored. 0~2: priority of the interrupt pointer of the interrupt program during execution	R	X
SD151	Current prohibited interrupt priority	According to the interrupt prohibition instruction (DI instruction), the interrupt prohibition instruction (DI instruction) below the specified priority, and the interrupt enable instruction (EI instruction), the priority of the interrupt prohibition will be stored. 0: Interrupt prohibition (default) of all priorities 1: interrupt prohibition of priorities 1 and 2; 2: interrupt prohibition of priority 2; 3: interrupt enable of all priorities	R	X

Instruction Related

SD label	Name	Content	R/W	Power-down save
SD150	Current interrupt priority	During the execution of the interrupt program, the priority of the existence of the interrupt will be stored. 1~3: the priority of the interrupt pointer of the interrupt program during execution 0: Interrupt not executed (default)	R	X
SD151	Current prohibited interrupt priority	According to the interrupt prohibition instruction (DI instruction), the interrupt prohibition instruction (DI instruction) below the specified priority, and the interrupt enable instruction (EI instruction), the priority of the interrupt prohibition will be stored. 0: Interrupt prohibition (default) of all priorities 1: interrupt prohibition of priorities 1 and 2; 2: interrupt prohibition of priority 2; 3: interrupt enable of all priorities	R	X
SD240	For STL: ON status number 1	In STL, the number of S device under ON status will be saved, with up to 8 numbers being saved; if there are more than eight storage numbers, the first eight small numbers will be saved.	R	X
SD241	For STL: ON status number 2		R	X
SD242	For STL: ON status number 3		R	X
SD243	For STL: ON status number 4		R	X
SD244	For STL: ON status number 5		R	X
SD245	For STL: ON status number 6		R	X
SD246	For STL: ON status number 7		R	X
SD247	For STL: ON status number 8		R	X
SD249	Minimum number of signal alarm ON state	Store the minimum number of signal alarm ON state	R/W	X
SD340	Timing clock output 1 counts the value in scanned numbers	The timing clock output 1 of DUTY instruction counts the value in scanned numbers	R/W	X
SD341	Timing clock output 2 counts the value in scanned numbers	The timing clock output 2 of DUTY instruction counts the value in scanned numbers	R/W	X
SD342	Timing clock output 3 counts the value in scanned numbers	The timing clock output 3 of DUTY instruction counts the value in scanned numbers	R/W	X
SD343	Timing clock output 4 counts the value in scanned numbers	The timing clock output 4 of DUTY instruction counts the value in scanned numbers	R/W	X
SD344	Timing clock output 5 counts the value in scanned numbers	The timing clock output 5 of DUTY instruction counts the value in scanned numbers	R/W	X

Interrupt Prohibited $file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps141.png$

SD label	Name	Content	R/W	Power-down save
SD350~SD381	Timer interrupt prohibited mask	SIMASK instruction interrupt mask, each bit represents an interrupt, see SIMAK instruction for details	R/W	X
SD382~SD388	High-speed counter interrupt prohibited mask	SIMASK instruction interrupt mask, each bit represents an interrupt, see SIMAK instruction for details	R/W	X

High-speed Input and Output

SD label	Name	Content	R/W	Power-down save
SD400	HSC0 current count value low bit	Store the current count value of the channel high-speed counter, to be updated every 100us	R	X
SD401	HSC0 current count value high bit		R	X
SD402	HSC0 current frequency low bit	Store the current frequency of channel high-speed counter, to be updated every 100us	R	X
SD403	HSC0 current frequency high bit		R	X
SD405	HSC0 mode (display) 0: Common IO 1: Single phase count 2: AB phase count	Default: Common IO	R	X
SD420	HSC0 frequency multiplication (display) 1: 1 frequency multiplication 2: 2 frequency multiplication 4: 4 frequency multiplication	Default: 1 frequency multiplication	R	X
SD421	HSC0 frequency sampling time (ms)	Calculate the sampling time of the channel high-speed counter frequency, with the default time being 1000ms	R/W	X
SD422	HSC0 input filter setting (0.01us)	Range 0~1700, default 0	R	X
SD423	The DHSCS, DHSCR and DHSZ instructions use the priority settings of the HSC0 channel	0~2. The highest priority is 0, and the default value is 0	R/W	X
SD430	HSC1 current count value low bit	Store the current count value of the channel high-speed counter, to be updated every 100us	R	X
SD431	HSC1 current count value high bit		R	X
SD432	HSC1 current frequency low bit	Store the current frequency of channel high-speed counter, to be updated every 100us	R	X
SD433	HSC1 current frequency high bit		R	X
SD435	HSC1 mode (display) 0: Common IO 1: Single phase count 2: AB phase count	Default: Common IO	R	X
SD450	HSC1 frequency multiplication 1: 1 frequency multiplication 2: 2 frequency multiplication 4: 4 frequency multiplication	Default: 1 frequency multiplication	R	X
SD451	HSC1 frequency sampling time (ms)	Calculate the sampling time of the channel high-speed counter frequency, with the default time being 1000ms	R/W	X
SD452	HSC1 input filter setting (0.01us)	Range 0~1700, default 0	R	X
SD453	The DHSCS, DHSCR and DHSZ instructions use the priority settings of the HSC1 channel	0~2. The highest priority is 0, and the default value is 0	R/W	X
SD460	HSC2 current count value low bit	Store the current count value of the channel high-speed counter, to be updated every 100us	R	X
SD461	HSC2 current count value high bit		R	X
SD462	HSC2 current frequency low bit	Store the current frequency of channel high-speed counter, to be updated every 100us	R	X
SD463	HSC2 current frequency high bit		R	X
SD464	Reserved
SD465	HSC2 mode (display) 0: Common IO 1: Single phase count 2: AB phase count	Default: Common IO	R	X
SD480	HSC2 frequency multiplication 1: 1 frequency multiplication 2: 2 frequency multiplication 4: 4 frequency multiplication	Default: 1 frequency multiplication	R	X
SD481	HSC2 frequency sampling time (ms)	Calculate the sampling time of the channel high-speed counter frequency, with the default time being 1000ms	R/W	X
SD482	HSC2 input filter setting (0.01us)	Range 0~1700, default 0	R	X
SD483	The DHSCS, DHSCR and DHSZ instructions use the priority settings of the HSC2 channel	0~2. The highest priority is 0, and the default value is 0	R/W	X
SD490	HSC3 current count value low bit	Store the current count value of the channel high-speed counter, to be updated every 100us	R	X
SD491	HSC3 current count value high bit		R	X
SD492	HSC3 current frequency low bit	Store the current frequency of channel high-speed counter, to be updated every 100us	R	X
SD493	HSC3 current frequency high bit		R	X
SD494	Reserved			X
SD495	HSC3 mode (display) 0: Common IO 1: Single phase count 2: AB phase count	Default: Common IO	R	X
SD510	HSC3 frequency multiplication 1: 1 frequency multiplication 2: 2 frequency multiplication 4: 4 frequency multiplication	Default: 1 frequency multiplication	R	X
SD511	HSC3 frequency sampling time (ms)	Calculate the sampling time of the channel high-speed counter frequency, with the default time being 1000ms	R/W	X
SD512	HSC3 input filter setting (0.01us)	Range 0~1700, default 0	R	X
SD513	The DHSCS, DHSCR and DHSZ instructions use the priority settings of the HSC3 channel	0~2. The highest priority is 0, and the default value is 0	R/W	X
SD521	HSC4 current count value high bit		R	X
SD522	HSC4 current frequency low bit	Store the current frequency of channel high-speed counter, to be updated every 100us	R	X
SD523	HSC4 current frequency high bit		R	X
SD524	Reserved
SD525	HSC4 mode (display) 0: Common IO 1: Single phase count 2: AB phase count	Default: Common IO	R	X
SD540	HSC4 frequency multiplication 1: 1 frequency multiplication 2: 2 frequency multiplication 4: 4 frequency multiplication	Default: 1 frequency multiplication	R	X
SD541	HSC4 frequency sampling time (ms)	Calculate the sampling time of the channel high-speed counter frequency, with the default time being 1000ms	R/W	X
SD542	HSC4 input filter setting (0.01us)	Range 0~1700, default 0	R	X
SD543	The DHSCS, DHSCR and DHSZ instructions use the priority settings of the HSC4 channel	0~2. The highest priority is 0, and the default value is 0	R/W	X
SD550	HSC5 current count value low bit	Store the current count value of the channel high-speed counter, to be updated every 100us	R	X
SD551	HSC5 current count value high bit		R	X
SD552	HSC5 current frequency low bit	Store the current frequency of channel high-speed counter, to be updated every 100us	R	X
SD553	HSC5 current frequency high bit		R	X
SD554	Reserved
SD555	HSC5 mode (display) 0: Common IO 1: Single phase count 2: AB phase count	Default: Common IO	R	X
SD570	HSC5 frequency multiplication 1: 1 frequency multiplication 2: 2 frequency multiplication 4: 4 frequency multiplication	Default: 1 frequency multiplication	R	X
SD571	HSC5 frequency sampling time (ms)	Calculate the sampling time of the channel high-speed counter frequency, with the default time being 1000ms	R/W	X
SD572	HSC5 input filter setting (0.01us)	Range 0~1700, default 0	R	X
SD573	The DHSCS, DHSCR and DHSZ instructions use the priority settings of the HSC5 channel	0~2. The highest priority is 0, and the default value is 0	R/W	X
SD580	HSC6 current count value low bit	Store the current count value of the channel high-speed counter, to be updated every 100us	R	X
SD581	HSC6 current count value high bit		R	X
SD582	HSC6 current frequency low bit	Store the current frequency of channel high-speed counter, to be updated every 100us	R	X
SD583	HSC6 current frequency high bit		R	X
SD584	Reserved
SD585	HSC6 mode (display) 0: Common IO 1: Single phase count 2: AB phase count	Default: Common IO	R	X
SD600	HSC6 frequency multiplication 1: 1 frequency multiplication 2: 2 frequency multiplication 4: 4 frequency multiplication	Default: 1 frequency multiplication	R	X
SD601	HSC6 frequency sampling time (ms)	Calculate the sampling time of the channel high-speed counter frequency, with the default time being 1000ms	R/W	X
SD602	HSC6 input filter setting (0.01us)	Range 0~1700, default 0	R	X
SD603	The DHSCS, DHSCR and DHSZ instructions use the priority settings of the HSC6 channel	0~2. The highest priority is 0, and the default value is 0	R/W	X
SD610	HSC7 current count value low bit	Store the current count value of the channel high-speed counter, to be updated every 100us	R	X
SD611	HSC7 current count value high bit		R	X
SD612	HSC7 current frequency low bit	Store the current frequency of channel high-speed counter, to be updated every 100us	R	X
SD613	HSC7 current frequency high bit		R	X
SD614	Reserved
SD615	HSC7 mode (display) 0: Common IO 1: Single phase count 2: AB phase count	Default: Common IO	R	X
SD630	HSC7 frequency multiplication 1: 1 frequency multiplication 2: 2 frequency multiplication 4: 4 frequency multiplication	Default: 1 frequency multiplication	R	X
SD631	HSC7 frequency sampling time (ms)	Calculate the sampling time of the channel high-speed counter frequency, with the default time being 1000ms	R/W	X
SD632	HSC7 input filter setting (0.01us)	Range 0~1700, default 0	R	X
SD633	The DHSCS, DHSCR and DHSZ instructions use the priority settings of the HSC7 channel	0~2. The highest priority is 0, and the default value is 0	R/W	X

Right Expansion Module $file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps143.png$

SD label	Name	Content	R/W	Power-down save
SD2081		Reserved	R	×
SD2082		Reserved	R	×
SD2083	Number of expansion modules	Number of the current expansion modules connected	R	×
SD2084~SD2115	Information about expansion module model and version number	bit0~bit9: version number bit10~bit15: model 1/2: LX6_16EX module 3/4: LX6_16EYT module	R	×

Input Filter $file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps144.png$

SD label	Name	Content	R/W	Power-down save
SD2280	Input filter point setting, with the default value being 10ms	Low byte X0~X3, high byte X4~X7	R/W	×
SD2281	Input filter point setting, with the default value being 10ms	Low byte X10~X13, high byte X14~X17	R/W	×
SD2282	Input filter point setting, with the default value being 10ms	Low byte X20~X23, high byte X24~X27	R/W	×
SD2283	Input filter point setting, with the default value being 10ms	Low byte X30~X33, high byte X34~X37	R/W	×
SD2284	Input filter point setting, with the default value being 10ms	Low byte X40~X43 , high byte ~X47	R/W	×
SD2285	Input filter point setting, with the default value being 10ms	Low byte X50~X53, high byte X54~X57	R/W	×
SD2286~SD2287	Input filter point setting, with the default value being 10ms	......	R/W	×

Communication

SD label	Name	Content	R/W	Power-down save
Communication COM1
SD2540	COM1 communication port settings	Default: baud rate: 115200, stop bit: 1, data bit: 8, parity bit: none See PORTPARA instruction description for specific setting method	R/W	√
SD2541	COM1 serial port parameter modification sign	If the serial port parameters need to be modified in RUN, the modification sign must be calculated. Only when the correct identification is written can the modification be successful. After making successful modification, the value will be automatically cleared. Please refer to PORTPARA instruction description for the specific calculation method.	R/W	√
SD2542	COM1 protocol settings	0H : Modbus slave 2H: Modbus RTU slave 3H: Modbus ASCII slave 10H User-defined protocol 20H: Modbus RTU master 30H: Modbus ASCII master	R/W	√
SD2543	COM1 protocol modification sign	If the communication protocol needs to be modified in RUN, the modification sign must be calculated. Only when the correct identification is written can the modification be successful. After making successful modification, the value will be automatically cleared. Please refer to PROTOCOL instruction description for the specific calculation method.	R/W	√
SD2544	COM1 station number settings	Range: 0~255, default: 0	R/W	√
SD2545	COM1 station number modification sign	If the communication station number needs to be modified in RUN, the modification sign must be calculated. Only when the correct identification is written can the modification be successful. After making successful modification, the value will be automatically cleared. Please refer to STATION instruction description for the specific calculation method.	R/W	√
SD2546	COM1 sending interval 0.1ms		R/W	√
SD2547	COM1 communication timeout setting 10ms		R/W	√
SD2548	COM1Timeout retry count		R/W	√
SD2549	COM1 character interval timeout setting 0.1ms		R/W	√
SD2550	COM1 STX value		R/W	√
SD2551	COM1 ETX value		R/W	√
SD2555	PLC upload and download timeout: in case of timeout and failure in data transmission, the upload and download will be interrupted.	Unit: 100ms, default: 300 (30s)		√
SD2560	The amount of data received by COM1		R	√
SD2561	COM1last error		R	√
SD2562	COM1 current error		R	√
SD2563	COM1error steps		R	√
SD2564	COM1 error station number		R	√
SD2565	COM1 cumulative error times		R	√
SD2566	COM1error steps (double word)		R	√
SD2567	COM1error steps (double word)		R	√
SD2568	Reserved		R	√
SD2569	Reserved		R	√
SD2570	Reserved		R	√
SD2571	Reserved		R	√
Communication COM2
SD2590	COM2 communication port settings	Default: baud rate: 115200, stop bit: 1, data bit: 8, parity bit: none See PORTPARA instruction description for specific setting method	R/W	√
SD2591	COM2 serial port parameter modification sign	If the serial port parameters need to be modified in RUN, the modification sign must be calculated. Only when the correct identification is written can the modification be successful. After making successful modification, the value will be automatically cleared. Please refer to PORTPARA instruction description for the specific calculation method.	R/W	√
SD2592	COM2 protocol settings	0H : Modbus slave 2H: Modbus RTU slave 3H: Modbus ASCII slave 10H User-defined protocol 20H: Modbus RTU master 30H: Modbus ASCII master	R/W	√
SD2593	COM2 protocol modification sign	If the communication protocol needs to be modified in RUN, the modification sign must be calculated. Only when the correct identification is written can the modification be successful. After making successful modification, the value will be automatically cleared. Please refer to PROTOCOL instruction description for the specific calculation method.	R/W	√
SD2594	COM2 station number settings	Range: 0~255, default: 0	R/W	√
SD2595	COM2 station number modification sign	If the communication station number needs to be modified in RUN, the modification sign must be calculated. Only when the correct identification is written can the modification be successful. After making successful modification, the value will be automatically cleared. Please refer to STATION instruction description for the specific calculation method.	R/W	√
SD2596	COM2 sending interval	Unit: 0.1ms, default: 0	R/W	√
SD2597	COM2 communication timeout setting	Unit: 10ms, default: 100ms	R/W	√
SD2598	COM2 timeout retry times	Default value: 0	R/W	√
SD2599	COM2 character interval timeout setting	Unit: 0.1ms, default: 10 (1ms)	R/W	√
SD2600	COM2 user-defined protocol start character	Default value: 0	R/W	√
SD2601	COM2 user-defined protocol end character	Default value: 0	R/W	√
SD2610	The amount of data received by COM2	Store the amount of data received by the serial port	R	×
SD2611	COM2 last error	Store the last displayed communication error code	R	×
SD2612	COM2 current error	Store the current communication error code	R	×
SD2613	COM2 error steps	Store the ladder diagram steps of the current communication error	R	×
SD2614	COM2 error station number	Store the station number of the current communication error	R	×
SD2615	COM2 cumulative error times	Store the cumulative communication error times	R	×

List of Ethernet-related Special Devices

SD label	Name	Content	R/W	Power-down save
SD2680	The first byte of the IP address	Local IP address	R/W	√
SD2681	The second byte of the ip address		R/W	√
SM2682	The third byte of the ip address		R/W	√
SD2683	The fourth byte of the ip address		R/W	√
SD2684	The first byte of subnet mask	Local subnet mask	R/W	√
SD2685	The second byte of subnet mask		R/W	√
SD2686	The third byte of subnet mask		R/W	√
SD2687	The fourth byte of subnet mask		R/W	√
SD2688	Default gateway first byte	Local default gateway	R/W	√
SD2689	Default gateway second byte		R/W	√
SD2690	Default gateway third byte		R/W	√
SD2691	Default gateway fourth byte		R/W	√
SD2692	The first byte of MAC address	Local MAC address	R/W	√
SD2693	The second byte of MAC address		R/W	√
SD2694	The third byte of MAC address		R/W	√
SD2695	The fourth byte of MAC address		R/W	√
SD2696	The fifth byte of MAC address		R/W	√
SD2697	The sixth byte of MAC address		R/W	√

Log Information

SD label	Name	Content	R/W	Power-down save
SD4000	Low bit of ladder diagram writing times	Store the total number of downloads of ladder diagram, and save it at the time of power-down	R	√
SD4001	High bit of ladder diagram writing times		R	√
SD4002	Low bit of PLC parameter writing times	Store the total number of downloads of parameter, and save it at the time of power-down	R	√
SD4003	High bit of PLC parameter writing times		R	√
SD4004	Low bit of password writing times	Store the total number of password writing, and save it at the time of power-down	R	√
SD4005	High bit of password writing times		R	√
SD4006	Low bit of comment writing times	Store the total number of comment download, and save it at the time of power-down	R	√
SD4007	High bit of comment writing times		R	√
SD4008	Low bit of total startup times	Store the total times of PLC startup, and save it at the time of power-down	R	√
SD4009	High bit of total startup times		R	√
SD4010	Low bit of total startup times	Store the total time of PLC startup, and save it at the time of power-down, with the unit being s	R	√
SD4011	High bit of total startup times		R	√
SD4012	Low bit of the total boot RUN time	Store the total time of RUN after PLC starts up, and save it at the time of power-down, with the unit being s	R	√
SD4013	High bit of the total boot RUN time		R	√
SD4014	Low bit of this boot RUN time	Store the RUN time after PLC starts up, with the unit being s	R	×
SD4015	High bit of this boot RUN time		R	×

$file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps148.png$ Appendix 3 Error Codes Sorting

PLC Hardware Error

Error code	Description	Action	Processing approach	Test time
1000	PLC power supply voltage is abnormal	Stop running and PWR light is off	Prompt: the power supply is abnormal, please replace the power supply.	Always
1100	Watchdog timeout	Stop running	Program scan time exceeds the watchdog timeout time setting. Modify the setting value of the timeout time (SD122) or the program.	Always
1200	FLASH writing times exceeded the limit (upper computer read time information display, SD4000 double word)	Stop running	The number of FLASH writes exceeds 20,000, and the PLC needs to be replaced	When downloading the programs
1201	Failed to read production information	Stop running	FLASH is damaged, PLC needs to be replaced	When the state changes from STOP to RUN
1380	It is detected that the battery voltage is too low, which will affect the operation of PLC clock.	Continue to run	·Confirm the connection of the battery. Replace the battery in time.	When END instruction is executed
1382	User-defined exception	Continue to run	No processing required	When END instruction is executed

Ladder Diagram Execution Error

Error code	Description	Action	Processing approach	Test time
1400	Program exception caused by STOP→RUN	Stop running	Check whether the parameter configuration is incorrectly configured, and whether the ladder diagram uses an unsupported instruction.	When the state changes from STOP to RUN
1401	Program exception caused by STOP	Stop running		At the time of STOP
1402	Program exception caused by ladder diagram execution	Stop running		Ladder diagram running
1403	Program abnormality caused by RUN→STOP	Stop running		When the state changes from RUN to STOP
1500	The sign error when executing OUT T in END instruction during the ladder diagram conversion	Stop running	Detect OUT T instruction in ladder diagram	When END instruction is executed
1501	Null pointer error	Stop running	Check whether an undefined program name is used.	At the time of initialization

PLC Parameter Error $file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps151.png$

Error code	Description	Action	Processing approach	Test time
2000	Number of I/O points allocated by program is different from the actual number of hardware I/O points	Stop running	Check I/O points configuration	When the state changes from STOP to RUN
2001	Set the parameters of the standard input and output module for the high-speed pulse input and output module	Stop running	Check input point parameter configuration	When the state changes from STOP to RUN
2002	The installed expansion module exceeds the maximum number	Stop running	Reduce the installation of expansion modules	When the state changes from STOP to RUN
2003	X point multiplexing, the same point is used as AB phase high-speed input, but also as one-way input or interrupt input	Stop running	Check input mode configuration	When the state changes from STOP to RUN
2004	Configure high-speed input IO error, CNTCFG instruction parameter write	Stop running	Check the value of parameter 1 of CNTCFG	Instruction is running
2100	Memory capacity setting error	Stop running	Check memory capacity settings	When the state changes from STOP to RUN
2101	Wrong setting of holding area	Stop running	Check holding register settings	When the state changes from STOP to RUN
2102	Comment area setting error	Stop running	Check the comment setting	When the state changes from STOP to RUN
2103	File register area setting error	Stop running	Check file storage area settings	When the state changes from STOP to RUN
2200	Inconsistent program verification	Stop running	The upper and lower computer programs are inconsistent, please upload or download again	When the state changes from STOP to RUN
2201	Inconsistent checksums of special parameters	Stop running	The upper and lower computer parameters are inconsistent, please upload or download again	When the state changes from STOP to RUN
2202	Special parameter setting error	Stop running	Check special parameters settings	When the state changes from STOP to RUN
2203	PLC EDITOR and PLC firmware versions are inconsistent	Stop running	Please re-install the PLC Editor2 or upgrade the firmware by checking the correspondence table between the PLC Editor2 and the firmware version.	When the state changes from STOP to RUN
2380	The current scan cycle exceeds the constant scan cycle set value	Continue to run	Modify the constant scan cycle setting	When END instruction is executed
2400	Event exceeds maximum range	Stop running	Check whether the event setting exceeds 100	When the state changes from STOP to RUN
2401	Event execution program is empty	Stop running	Whether to establish the correct event program	When the state changes from STOP to RUN
2402	Event clear program is empty	Stop running	Whether to establish the correct event program	When the state changes from STOP to RUN
2403	Timed interrupt exceeds the maximum range	Stop running	Check whether the timer interrupt setting exceeds 100	When the state changes from STOP to RUN
2404	Timer interrupt execution program is empty	Stop running	Whether to establish the correct timer interrupt program	When the state changes from STOP to RUN
2405	Timer interrupt priority setting error	Stop running	Check whether the timer interrupt priority is set to 0~2	When the state changes from STOP to RUN
2406	High-speed counting interrupt exceeds the maximum range	Stop running	Check whether the high-speed counting interrupt setting exceeds 100	When the state changes from STOP to RUN
2407	High-speed counting interrupt execution program is empty	Stop running	Whether to establish the correct high-speed counting interrupt program	When the state changes from STOP to RUN
2408	High-speed counting priority setting error	Stop running	Check whether the high-speed counting interrupt priority is set to 0~2	When the state changes from STOP to RUN
2409	External interrupt exceeds the maximum range	Stop running	Check whether the external interrupt setting exceeds 16	When the state changes from STOP to RUN
240A	External interrupt execution program is empty	Stop running	Whether to establish the correct external interrupt program	When the state changes from STOP to RUN
240B	External interrupt priority setting error	Stop running	Check whether the external interrupt priority is set to 0~2	When the state changes from STOP to RUN
2500	High-speed counter channel exceeds the maximum range	Stop running	Detect high-speed input configuration	When the state changes from STOP to RUN
2501	High-speed counter mode setting error	Stop running	Detect high-speed input configuration	When the state changes from STOP to RUN
2502	High-speed counter frequency multiplication setting error	Stop running	Detect high-speed input configuration	When the state changes from STOP to RUN
2503	The counting direction of the high-speed counter is set incorrectly	Stop running	Detect high-speed input configuration	When the state changes from STOP to RUN
2504	The high-speed counter interrupt is used, but the OUT HSC instruction is not used to turn on the high-speed counter, and the value of the HSC device is modified	Continue to run	Check if there is a contact that closed the OUT HSC instruction	100us interrupt execution
2580	After the high-speed counter is turned on, but the axis high-speed counter enable is not configured	Continue to run	View project management -> parameters -> high-speed counting configuration	When OUT HSC instruction is executed
2581	The high-speed counter interrupt is used, but the OUT HSC instruction is not used to turn on the high-speed counter, and the value of the HSC device is modified	Continue to run	Check if there is a contact that closed the OUT HSC instruction	100us interrupt execution
2582	The REF instruction is used to refresh the high-speed count value, but there is no OUT HSC instruction to turn on the high-speed counter of the channel	Continue to run	1. Check project management →parameters →high-speed counting configuration →whether to use 2. Check if there is a contact that closed the OUT HSC instruction	When the REF instruction is executed
2600	The input point X is not available for both high-speed counter and interrupt program.	Stop running	Detect high-speed input or external interrupt configuration	When the state changes from STOP to RUN

EtherCAT Configuration Error

Error code	Description	Action	Processing approach	Test time
2781	The EtherCAT configuration file failed to load. The file is corrupted.	Continue to run	Please download the EtherCAT configuration file again.	At the time of initialization of EtherCAT
2782	The EtherCAT configuration file could not be found.	Continue to run	Please download the EtherCAT configuration file again.	At the time of initialization of EtherCAT
2783	Failed to open EtherCAT configuration file.	Continue to run	Please download the EtherCAT configuration file again.	At the time of initialization of EtherCAT
2784	Failed to parse EtherCAT configuration, and no corresponding value or parameter was found.	Continue to run	Please download the EtherCAT configuration file again, or check whether the versions of EtherCAT upper and lower computers match.	At the time of initialization of EtherCAT
2785	Initialization failed.	Continue to run	Please contact manufacturer.	At the time of initialization of EtherCAT
2786	Failed to get slave device.	Continue to run	Please check whether there are linked EtherCAT slave devices.	At the time of initialization of EtherCAT
2787	Slave parameter setting failed.	Continue to run	Check whether the configuration is correct.	At the time of initialization of EtherCAT
2788	EtherCAT slave device activation failed.	Continue to run	Check whether the configuration is correct.	At the time of initialization of EtherCAT
2789	EtherCAT startup failed.	Continue to run	Check whether the configuration is correct, or contact the manufacturer.	At the time of initialization of EtherCAT
278A	The number of configured EtherCAT slaves does not match the number of linked slaves.	Continue to run	Check the settings and the number of linked EtherCAT slave devices.	At the time of initialization of EtherCAT
278B	The accessed servo model is inconsistent with the model in EtherCAT configuration table.	Continue to run	Check whether the configuration used matches the actual model.	At the time of initialization of EtherCAT
278C	Initialization failed.	Continue to run	Please contact manufacturer.	At the time of initialization of EtherCAT
278D	Initialization failed.	Continue to run	Please contact manufacturer.	At the time of initialization of EtherCAT
278E	ETHERCAT stop error	Continue to run	Please contact manufacturer.	At the time of initialization of EtherCAT
278F	Initialization failed.	Continue to run	Please contact manufacturer.	At the time of initialization of EtherCAT
2790	Initialization failed.	Continue to run	Please contact manufacturer.	At the time of initialization of EtherCAT
2791	Initialization timeout	Continue to run	Please contact manufacturer.	At the time of initialization of EtherCAT
2792	Initialization timeout	Continue to run	Please contact manufacturer.	At the time of initialization of EtherCAT
2793	Initialization timeout	Continue to run	Please contact manufacturer.	At the time of initialization of EtherCAT

PLC Communication Error

Error code	Description	Action	Processing approach	Test time
3080	COM1 data reception error	Continue to run	There may be interference on the communication cable, it is recommended to connect GND.	When the instruction is executed
3081	COM1 data reception timeout	Continue to run	1. Check the wiring and check whether the serial port parameter settings correspond to master and slave station. 2. Check whether there is interference. 3. Check whether it is caused by the late response from the slave station. It is recommended to increase the sending interval SD2546.	When the instruction is executed
3082	COM1 CRC parity error	Continue to run	There may be interference on the communication cable, it is recommended to connect GND.	When the instruction is executed
3083	COM1 LRC parity error	Continue to run	There may be interference on the communication cable, it is recommended to connect GND.	When the instruction is executed
3084	COM1 Station number configuration error	Continue to run	Check the slave station number setting, and check whether there is any problem with the receiving and sending mechanism from slave station.	When the instruction is executed
3085	COM1 send buffer overflow	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
3086	COM1 function code error	Continue to run	Check whether the set function code is a function code supported by PLC	When the instruction is executed
3087	COM1 wrong address	Continue to run	Check whether the slave station has this address. (Please refer to Modbus exception 02).	When the instruction is executed
3088	COM1 wrong length	Continue to run	Check whether the communication length exceeds the Modbus range	When the instruction is executed
3089	COM1 data error	Continue to run	Check whether parameters of the instruction are wrong. Check whether the set value is supported by the slave station. (Please refer to Modbus exception 03).	When the instruction is executed
308A	COM1 slave station is busy.	Continue to run	Message returned from slave station: Slave station is busy. (Please refer to Modbus exception 06).	When the instruction is executed
308B	COM1 slave station does not support function code	Continue to run	Check whether this function code is supported by the slave station. (Please refer to Modbus exception 01).	When the instruction is executed
308C	COM1 slave failure	Continue to run	Message returned from slave station: Slave station failed, please check whether slave station failed. (Please refer to Modbus exception 04).	When the instruction is executed
308D	COM1 slave confirmation	Continue to run	Message returned from slave station: slave station confirmation. (Please refer to Modbus exception 05).	When the instruction is executed
308E	COM1 does not currently support this instruction or function.	Continue to run	When the slave protocol is set, the communication instructions related to master station or master station functions cannot be used. Please change the protocol or close the contact before the corresponding instruction or close the corresponding communication function.	When the instruction is executed
308F	COM1 send timeout	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
3090	Receive buffer overflow	Continue to run	Check if the other device is sending data all the time	When the instruction is executed
30A0	No available gateway for COM1	Continue to run	Message returned from the slave station: no available gateway. (Please refer to Modbus exception 0A).	When the instruction is executed
30A1	COM1 indicates that no response was obtained from the target device. It usually means the device is not on the network.	Continue to run	Message returned from the slave station: The device is not networked. (Please refer to Modbus Exception 0B).	When the instruction is executed
3180	COM2 data reception error	Continue to run	There may be interference on the communication cable, it is recommended to connect GND.	When the instruction is executed
3181	COM2 data reception timeout	Continue to run	1. Check the wiring and check whether the serial port parameter settings correspond to master and slave station. 2. Check whether there is interference. 3. Check whether it is caused by the late response from the slave station. It is recommended to increase the sending interval SD2546.	When the instruction is executed
3182	COM2 CRC parity error	Continue to run	There may be interference on the communication cable, it is recommended to connect GND.	When the instruction is executed
3183	COM2 LRC parity error	Continue to run	There may be interference on the communication cable, it is recommended to connect GND.	When the instruction is executed
3184	COM2 station number configuration error	Continue to run	Check the slave station number setting, and check whether there is any problem with the receiving and sending mechanism from slave station.	When the instruction is executed
3185	COM2 send buffer overflow	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
3186	COM2 function code error	Continue to run	Check whether the set function code is a function code supported by PLC	When the instruction is executed
3187	COM2 address error	Continue to run	Check whether the slave station has this address. (Please refer to Modbus exception 02).	When the instruction is executed
3188	COM2 length error	Continue to run	Check whether the communication length exceeds the Modbus range	When the instruction is executed
3189	COM2 data error	Continue to run	Check whether parameters of the instruction are wrong. Check whether the set value is supported by the slave station. (Please refer to Modbus exception 03).	When the instruction is executed
318A	Busy COM2 slave station	Continue to run	Message returned from slave station: Slave station is busy. (Please refer to Modbus exception 06).	When the instruction is executed
318B	Function code not supported by COM2 slave station	Continue to run	Check whether this function code is supported by the slave station. (Please refer to Modbus exception 01).	When the instruction is executed
318C	Faulty COM2 slave station	Continue to run	Message returned from slave station: Slave station failed, please check whether slave station failed. (Please refer to Modbus exception 04).	When the instruction is executed
318D	COM2 slave station confirmation	Continue to run	Message returned from slave station: slave station confirmation. (Please refer to Modbus exception 05).	When the instruction is executed
318E	At present, COM2 does not support this instruction or function.	Continue to run	When the slave protocol is set, the communication instructions related to master station or master station functions cannot be used. Please change the protocol or close the contact before the corresponding instruction or close the corresponding communication function.	When the instruction is executed
318F	COM2 sending timeout.	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
31A0	No available gateway for COM2	Continue to run	Message returned from the slave station: no available gateway. (Please refer to Modbus exception 0A).	When the instruction is executed
31A1	COM2 indicates that no response was obtained from the target device. It usually means the device is not on the network.	Continue to run	Message returned from the slave station: The device is not networked. (Please refer to Modbus Exception 0B).	When the instruction is executed
31C3	The number of instructions is out of range. The current limit is 1~255.	Continue to run	Check the number of instructions	Application instruction or When the function is executed
31C6	The device used by the table instruction is out of device range.	Continue to run	Check the device used by each instruction in the table	Application instruction or When the function is executed

PLC Operation Error

Error code	Description	Action	Processing approach	Test time
3680	Ethernet data reception error	Continue to run	Check whether there is any interference in the environment	When the instruction is executed
3681	Ethernet data reception timeout	Continue to run	Check if the network cable is loosened 1. Check whether the network peer is faulty, which results in failure in sending data. Check whether the network peer does not respond in time, which results in any delay in data. Under such circumstance, the reception timeout in the socket configuration can be increased.	When the instruction is executed
3684	Modbus TCP station number configuration error	Continue to run	Check slave station number setting. Check whether there is any problem with the receiving and sending mechanism of slave station.	When the instruction is executed
3685	Modbus TCP send buffer overflow	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
3686	Modbus TCP function code error	Continue to run	Check whether the set function code is a function code supported by PLC	When the instruction is executed
3687	Modbus TCP address error	Continue to run	Check whether the slave station has this address. (Please refer to Modbus exception 02).	When the instruction is executed
3688	Modbus TCP length error	Continue to run	Check whether the communication length exceeds the Modbus range	When the instruction is executed
3689	Modbus TCP data error	Continue to run	Check whether parameters of the instruction are wrong. Check whether the set value is supported by the slave station. (Please refer to Modbus exception 03).	When the instruction is executed
368A	Modbus TCP slave is busy	Continue to run	Message returned from slave station: Slave station is busy. (Please refer to Modbus exception 06).	When the instruction is executed
368B	Modbus TCP slave station does not support function code	Continue to run	Check whether this function code is supported by the slave station. (Please refer to Modbus exception 01)	When the instruction is executed
368C	Modbus TCP slave failure	Continue to run	Message returned from slave station: Slave station failed, please check whether slave station failed. (Please refer to Modbus exception 04).	When the instruction is executed
368D	Modbus TCP slave confirmation	Continue to run	Message returned from slave station: slave station confirmation. (Please refer to Modbus exception 05)	When the instruction is executed
368E	The current Modbus TCP protocol does not support this instruction	Continue to run	The RS instruction cannot be used when the slave protocol is set, please change the protocol or close the contact before the RS instruction	When the instruction is executed
368F	Network port send timeout	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
3690	Receive buffer overflow	Continue to run	Check if the other device is sending data all the time	When the instruction is executed
36A0	No available gateway for Modbus TCP	Continue to run	Message returned from the station: no available gateway. (Please refer to Modbus exception 0A). (Please refer to Modbus exception 0A)	When the instruction is executed
36A1	Modbus TCP indicates that no response was obtained from the target device. It usually means the device is not on the network.	Continue to run	Message returned from the slave station: The device is not in the network. (Please refer to Modbus exception 0B)	When the instruction is executed
36C0	ModbusTCP transaction identifier error	Continue to run	Check if there is network congestion and data can not be received in time.	When the instruction is executed
36C1	Modbus TCP server available links are full	Continue to run	Check if SD2702 and SD2703 have too many clients to link	When the instruction is executed
36C8	Insufficient space in the Ethernet stack	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
36C9	Connection limit exceeded	Continue to run	Confirm whether the total number of connections exceeds the limit	When the instruction is executed
36CA	The last send is not completed	Continue to run	Use the sending completion sign to determine that the current sending is completed, and then send the next one	When the instruction is executed
36CB	TCP write exception	Continue to run	Use the sign bit device to judge whether the current connection status is normal. If it is not normal, no data transmission will be performed. For example, after the closing sign is set, data transmission will not be performed.	When the instruction is executed
36CC	TCP output exception	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
36CD	IP address is used	Continue to run	Please check if a connection exists with the same address information	When the instruction is executed
36CE	Error in server’s acceptance of connection	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
36CF	TCP receive buffer overflow	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
36D0	TCP connection failed	Continue to run	It may be caused by opening the TCP client when the network cable is not connected.	When the instruction is executed
36D1	Exception when actively closing the connection	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
36D2	Abnormal shutdown occurred inside the protocol stack	Continue to run	May be shut down due to no answering for a long time. Check whether the peer is online and can ping.	When the instruction is executed
36D3	The peer initiates an RST link	Continue to run	1. Check whether the peer initiates abnormal shutdown. 2. As a client, the number of opposite connections is full, or the opposite port is not open.	When the instruction is executed
36D4	The protocol stack has a single-ended shutdown	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
36D5	There is an IP address conflict	Continue to run	The same IP device exists in the LAN, please change the IP address	When the instruction is executed
36D6	There is a MAC address conflict	Continue to run	The same MAC device exists in the LAN, please change the MAC address	When the instruction is executed
36D7	TCP send buffer overflow	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
36D8	UDP connection exception	Continue to run	IP address or port number may has been used.	When the instruction is executed
36D9	UDP send buffer overflow	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
36DA	Insufficient memory space when sending UDP	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
36DB	UDP send failed	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
36DC	UDP memory release failed	Continue to run	If this error message appears, please contact technical personnel	When the instruction is executed
36DD	UDP receive buffer overflow	Continue to run	The length of the data received by UDP exceeds the limit value of 512.	When the instruction is executed
4080	Divisor is 0 in division instruction	Continue to run	Modify application instruction parameters	When the application instruction is executed
4081	Application instruction calculation data overflow	Continue to run	Modify application instruction parameters	When the application instruction is executed
4082	A data type that cannot be converted is entered in the application instruction	Continue to run	Modify application instruction parameters	When the application instruction is executed
4083	Any data of -0, non-normalized number, non-number, and ±∞ is input in the application instruction	Continue to run	Modify application instruction parameters	When the application instruction is executed
4084	Data beyond the specified range is entered in the application instruction (for example, parameter 1 is specified as 0~1, setting 2)	Continue to run	Modify application instruction parameters	When the application instruction is executed
4085	The output result in the read application instruction exceeds device range (for example, the maximum output result of the D device is D7999, but D8000 is used)	Continue to run	Modify application instruction parameters	When the application instruction is executed
4086	The output result in the write application instruction exceeds device range (for example, the maximum output result of the D device is D7999, but D8000 is used)	Continue to run	Modify application instruction parameters	When the application instruction is executed
4087	The application instruction parameter uses an unsupported device	Continue to run	Modify application instruction parameters	When the application instruction is executed
4088	Several application instructions use the same axis at the same time and have been executed.	Continue to run	Modify application instruction parameters	When the application instruction is executed
4089	The number of application instructions exceeds the limit.	Continue to run	Check whether a restricted instruction is used in the ladder diagram and exceeds the limit	When the application instruction is executed
408A	The read length of the string exceeds the limit, the continuous length of the string exceeds the limit (currently 400) or exceeds the limit within the instruction	Continue to run	Modify the read string length	When the application instruction is executed
408B	When the character string is read, the maximum range of device is read, but 00H is not found.	Continue to run	View string end character	When the application instruction is executed
408E	Multiple application instruction parameters use the same device, but the instruction does not allow reuse of device	Continue to run	Check whether the DUTY instruction uses the same SM for output	When the application instruction is executed
408F	The firmware used does not support this instruction, please upgrade it to the latest firmware	Continue to run	Upgrade the firmware that includes the instruction	When the application instruction is executed
4090	The order of two parameters used to designate the range is abnormal. For example, it is allowed to use D10 D100 other than D100 D10 to specify the range.	Continue to run	Check and modify the parameters of instructions.	When the application instruction is executed
4100	The number of FOR~NEXT instructions does not correspond or FOR~NEXT exceeds the maximum nesting level	Stop running	Modify the corresponding relationship of the ladder diagram FOR~NEXT instructions	When NEXT and END instruction is executed
4180	No CJ and CALL jump destination address, result of indexing modification and label undefined; P63 is executed in CALL instruction beyond the range of P0~P4095. P63 cannot be used in the CALL instruction because it is the tag for jumping to END	Continue to run	Modify application instruction parameters	When the application instruction is executed
4181	CJ instruction exceeds the maximum nesting level	Continue to run	Modify application instruction parameters	When the application instruction is executed
4102	CALL instruction exceeds the maximum nesting level	Continue to run	Modify application instruction parameters	When the application instruction is executed
4183	Interrupt exceeds the maximum nesting level	Continue to run	Modify application instruction parameters	When the application instruction is executed
4185	EI instruction popping error	Continue to run	Modify application instruction parameters	When the application instruction is executed
4186	BREAK is not in the FOR~NEXT instruction	Continue to run	Modify application instruction parameters	When the application instruction is executed
4187	MC~MCR exceeds the maximum nesting range	Continue to run	View the nesting relationship of MC and MCR	When the application instruction is executed
4188	When using N in the MC nesting structure, the order from small to large is not followed	Continue to run	Modify the N nesting corresponding to MC	When the application instruction is executed
4189	SIMASK instruction specifies an unset interrupt	Continue to run	Modify the interrupt name specified by SIMASK or the interrupt configuration	When the application instruction is executed
4D80	Sampling time (Ts) exceeds the target range (Ts≤0)	Continue to run	Modify application instruction parameters	When the application instruction is executed
4D81	The input filter constant (α) exceeds the target range (α<0 or 1023<α)	Continue to run	Modify application instruction parameters	When the application instruction is executed
4D82	The maximum ascent rate (deltaT) exceeds the target range (deltaT<0 or 32000<deltaT)	Continue to run	Modify application instruction parameters	When the application instruction is executed
4D83	Proportional gain (Kp) exceeds the target range (Kp<0)	Continue to run	Modify application instruction parameters	When the application instruction is executed
4D84	Integral gain (Ki) exceeds the target range (Ki<0)	Continue to run	Modify application instruction parameters	When the application instruction is executed
4D85	Differential gain (Kd) exceeds the target range (Kd<0)	Continue to run	Modify application instruction parameters	When the application instruction is executed
4D86	Sampling time (Ts)<operation cycle	Continue to run	Modify application instruction parameters	When the application instruction is executed
4D87	Proportional gain (Kp) exceeds the target range (Kp<1 or Kp>3000)	Continue to run	Modify application instruction parameters	When the application instruction is executed
4D88	The integration time (Ti) exceeds the target range (Ti<0 or Ti>3600)	Continue to run	Modify application instruction parameters	When the application instruction is executed
4D89	The derivative time (Td) exceeds the target range (Td<0 or Td>1000)	Continue to run	Modify application instruction parameters	When the application instruction is executed
4D90	PID output upper limit is less than lower limit	Continue to run	Modify application instruction parameters	When the application instruction is executed
4E80	E-CAM table loading error	Continue to run	Modify application instruction parameters	Instruction is running
4E81	The currently numbered table has a cam in use	Continue to run	Modify application instruction parameters	Instruction is running
4E82	Table address error	Continue to run	Modify application instruction parameters	Instruction is running
4E83	The table exceeds device range	Continue to run	Modify application instruction parameters	Instruction is running
4EC0	Electronic gear ratio setting error	Continue to run	Modify application instruction parameters	Instruction is running
4F80	Minimum range of DHSZ instruction >= maximum range	Continue to run	Modify application instruction parameters	Instruction is running
4F81	The DHSCS, DHSCR and DHSZ instructions are enabled, but the OUT HSC instruction is not used to enable the high-speed counter to count.	Continue to run	1. Check project management →parameters →high-speed counting configuration →whether to use 2. Check if there is a contact that closed the OUT HSC instruction	Instruction is running
4F90	In radius mode, the radius is not within the range.	Continue to run	Modify application instruction parameters	Instruction is running
4F92	In the center of circle/radius mode, the large deviation between the set end point coordinates and the theoretical end point on the circle causes quadrant calculation errors.	Continue to run	Modify application instruction parameters	Instruction is running
4F93	In radius mode, the chord length is greater than the diameter.	Continue to run	Modify application instruction parameters	Instruction is running
4F95	In the center of circle mode, the distance between the center and the start point, and the distance between the center and the end point are not within the range of [-10-10].	Continue to run	Modify application instruction parameters	Instruction is running
4F97	In the center of circle mode, the calculated radius distance is greater than the maximum radius, which means the range is +/-800,000 pulses.	Continue to run	Modify application instruction parameters	Instruction is running
4F98	Helical interpolation error, the Z axis is the main axis (the Z axis coordinate is greater than the number of virtual main axes in the circular plane).	Continue to run	Modify application instruction parameters	Instruction is running
4F99	Helical interpolation error, Z axis is 0.	Continue to run	Modify application instruction parameters	Instruction is running
4F9B	The lead setting is out of range (i.e. lead appears $file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps155.png$ ).	Continue to run	Modify application instruction parameters	Instruction is running
5080	The ethernet socket is already connected and cannot be opened again.	Continue to run	Check if SOCOPEN instruction is executed repeatedly	When the application instruction is executed
5081	Ethernet socket is not open, which results in the failure in operation	Continue to run	Check whether set ON the connected sign bit of the SOCOPEN instruction (d2) parameter.	When the application instruction is executed
5082	Socket ID input by Ethernet instruction is out of range.	Continue to run	Modify application instruction parameters	When the application instruction is executed
5083	Failed to create TCP server	Continue to run	Check if the connection is full	When the application instruction is executed
5084	Failed to create link	Continue to run	Check if the connection is full	When the application instruction is executed
5086	The socket ID used by the Ethernet instruction is not configured by the upper computer or is not enabled after configuration.	Continue to run	Check the Ethernet configuration of upper computer	When the application instruction is executed
5087	SOCRECV instruction reception timeout	Continue to run	1. Check whether the network connection is normal. 2. Check whether there is data sent by the network peer.	When the application instruction is executed
5088	The SOCMTCP instruction specifies that the socket uses the configuration mode of a non-TCP client	Continue to run	Check the Ethernet configuration of upper computer	When the application instruction is executed
5089	When configuring the TCP server for the Ethernet socket, specify the local port as 502	Continue to run	Port 502 has been occupied internally, please modify the local port.	When the application instruction is executed
508A	The UDP port is specified as 1092	Continue to run	UDP port: 1092 is occupied by the system and cannot be used, please modify the local port number.	When the application instruction is executed
5090	Abnormal network cable connection	Continue to run	Check if the network cable is connected	When the application instruction is executed

Right Expansion Module Error (Communication Error Reported) $file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps156.png$

Error code	Description	Action	Processing approach	Test time
7080	Expansion module checksum error	Continue to run	Detect the link between the expansion module and the host or whether there is external interference	Instruction is running
7081	Abnormal expansion module communication message	Continue to run	Detect the link between the expansion module and the host or whether there is external interference	Instruction is running
7082	FROM/TO instruction error	Continue to run	Detect the link between the expansion module and the host	Instruction is running
7083	Expansion module access exception	Continue to run	Detect the link between the expansion module and the host	Instruction is running

Appendixes

$file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps112.png$ Appendix 1 Special Relay (SM)

Error Message

System Information

Clock Information

Scan Information

Instruction Related

Interrupt Prohibited

High-speed Input and Output

Communication

List of Ethernet-related Special Devices

$file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps135.png$ Appendix 2 Special Register (SD)

Error Message

System Information

Clock Information $file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps138.png$

Scan Information

Instruction Related

Interrupt Prohibited $file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps141.png$

High-speed Input and Output

Right Expansion Module $file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps143.png$

Input Filter $file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps144.png$

Communication

List of Ethernet-related Special Devices

Log Information

$file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps148.png$ Appendix 3 Error Codes Sorting

PLC Hardware Error

Ladder Diagram Execution Error

PLC Parameter Error $file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml9284\wps151.png$

EtherCAT Configuration Error

PLC Communication Error

PLC Operation Error

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