Changes for page 01 Program execution

Last modified by Jiahao Lai on 2025/07/18 17:39

From 16.1 to 15.1 From 35.1 to 34.1

From version 34.1

edited by Mora Zhou
on 2024/12/05 16:23

Change comment: There is no comment for this version

To version 16.1

edited by Stone Wu
on 2022/09/23 16:31

Change comment: There is no comment for this version

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- image-20220926104203-1.jpeg

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--XWiki.Mora
++XWiki.Stone

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  = **Summary** =
--This manual provides a comprehensive introduction to the basic functions and actual use of WECON PLC Editor. It is completely aimed at zero-based readers and is an essential reference book for entry-level readers who want to quickly and fully grasp WECON PLC and WECON PLC Editor.
--This book starts with the basic product of WECON PLC and the basic concept and operation of WECON PLC Editor. It then uses a large number of cases and graphic analysis to comprehensively and deeply explain the use of WECON PLC Editor Software and the PLC program.
--WECON Technology Co., Ltd. All rights reserved.
++This manual has a comprehensive introduction to the basic functions of WECON PLC Editor and the actual use. This book is completely aimed at zero-based readers, is an essential reference book for entry-level readers to quickly and fully grasp WECON PLC and WECON PLC Editor.
++This book starts from the basic product of WECON PLC and the basic concept and operation of WECON PLC Editor. It combines with a large number of cases and graphic analysis to comprehensively and deeply explain the use of WECON PLC Editor Software, as well as PLC program.
++
++WECON technology Co., Ltd. All rights reserved.
++
  = Precautions =
--Before the installation, operation, maintenance and repair of the micro programmable control, please read this manual and other related manuals to ensure correct use. Please use it after you have mastered the operation method, and safety information.
++Before the installation, operation, maintenance and repair of the micro programmable control, please read this manual and other related manuals to ensure correct use. Please use it after you have mastered the operation method, safety information and all
  == Design ==
++In the event of an abnormality in the external power supply or failure of the programmable controller, to ensure the safe operation of the entire system, be sure to install a safety circuit outside the programmable controller.
 . Be sure to install an emergency brake circuit, a protection circuit, an interlock circuit for reverse operation, such as an emergency brake circuit, a protection circuit, a forward and reverse circuit, and an interlock circuit for the upper and lower positioning limits to prevent machine damage, in the external circuit of the programmable controller.
--1. When the programmable controller CPU detects abnormal conditions such as WDT errors through self-diagnosis, all outputs are shut off. In addition, when the programmable controller CPU cannot detect abnormalities in the input/output control part, etc., it cannot control the output. At this time, please design the external circuit and mechanism so that the machine can operate safely.
--1. Due to the failure of the relay and transistor of the output unit, it is impossible to control the state of the output to ON or OFF. To ensure the safe operation of the machine, please design external circuits and mechanisms for output signals related to major accidents.
++1. When the programmable controller CPU detects abnormal conditions such as WDT errors through self-diagnosis, all outputs are shut off. In addition, when the programmable controller CPU cannot detect abnormalities in the input/output control part, etc., it cannot control the output. At this time, in order to make the machine operate safely, please design the external circuit and mechanism.
++1. Due to the failure of the relay and transistor of the output unit, it is impossible to control the state of the output to ON or OFF. In order to ensure the safe operation of the machine, please design external circuits and mechanisms for output signals related to major accidents.
  == Installation ==
  * Please use it in the general specification environment described in the manual.
--** Do not use in the following places: places with dust, oily smoke, conductive dust, corrosive gas, or flammable gas; places exposed to high temperature, condensation, wind, and rain; places with vibration or impact. Electric shock, fire, and misoperation can also cause product damage.
++** Do not use in the following places: places with dust, oily smoke, conductive dust, corrosive gas, flammable gas; places  exposed to high temperature, condensation, wind and rain; places with vibration or impact. Electric shock, fire, and misoperation can also cause product damage.
  * When processing screw holes and wiring, do not let iron filings or wire ends fall into the ventilation window of the programmable controller. It may cause fire, malfunction, or misoperation.
  * Please insert the connecting cable and display module accurately into the specified sockets. Poor contact may cause misoperation.
@@ -26,8 +26,8 @@
  (((
  **✎Note:**
--* To prevent the temperature from rising, do not install at the bottom, top or vertical direction. Be sure to install it horizontally on the wall as shown on the right.
--* Please leave a space of more than 50mm between the host and other equipment or structures. Try to avoid high-voltage lines, high-voltage equipment, and power equipment.
++* To prevent the temperature from rising, do not install at the bottom, top or vertical direction.Be sure to install it horizontally on the wall as shown on the right.
++* Please leave a space of more than 50mm between the host and other equipment or structures.Try to avoid high-voltage lines, high-voltage equipment, and power equipment.
  )))
  == Wiring ==
@@ -71,7 +71,7 @@
  * Please connect the AC power supply to the dedicated terminal according to the content in the manual.
  * If the AC power supply is connected to the DC input/output terminal or the DC power supply terminal, the programmable controller will be burnt out.
--* Please do not supply power to the 24+ terminal of the basic unit from the external power supply and to the empty terminal. Do not wire from the outside, otherwise the product will be damaged.
++* Please do not supply power to the 24+ terminal of the basic unit from the external power supply, and to the empty terminal    . Do not wire from the outside, otherwise the product will be damaged.
  * Please ground the ground terminal of the basic unit according to the third method. But please do not share the ground with the strong current system.
  **Attached**
@@ -108,12 +108,12 @@
  Regular inspection: Whether the programmable controller is equipped with consumables with a shorter life.
--For the relay output type, if the output relay works abnormally at a high frequency or drives a large-capacity load, you must pay attention to its impact on the service life.
++For relay output type, if the output relay works abnormally at a high frequency or drives a large-capacity load, you must pay attention to its impact on the service life.
  Check with other equipment, please pay attention to the following points:
  * Whether there is an abnormal increase in the temperature inside the machine due to other heating elements or direct sunlight.
--* Whether dust or conductive dust has penetrated the machine.
++* Whether dust or conductive dust has penetrated into the machine.
  * Whether there are loose wiring and terminals or other abnormalities
  = Scan structure =
@@ -128,7 +128,7 @@
  The initialization based on the status of the CPU module is as follows.
  * **√**: execute
--* **×**: not execute
++*  **×**: not execute
  (% class="table-bordered" %)
  |=(% rowspan="2" %)**Processing item**|=(% colspan="3" %)**Status of the CPU module**
@@ -244,7 +244,7 @@
  *1: Scan program paging: multiple scan programs are established, and each scan program is called a paging. After scan program A is executed, before scan program B is executed, it will be judged whether an event program needs to be executed.
  (% style="text-align:center" %)
--[[image:image-20220926104203-1.jpeg||class="img-thumbnail"]]
++[[image:1652247397997-492.png||class="img-thumbnail"]]
  When it is the turn of the execution sequence of event execution type program C and Y50 is ON, the program is executed.
@@ -431,7 +431,7 @@
  [[image:1-20.png||class="img-thumbnail"]]
  (% class="table-bordered" %)
--|=(% colspan="2" %)**Project**|=**Content**|=**Setting range**|=**Default**
++|(% colspan="2" %)**Project**|**Content**|**Setting range**|**Default**
  |(% colspan="2" %)Execution type|Select the type of interrupt|Not set/External input interrupt/Timer event/high-speed counter interrupt|Not set
  |(% rowspan="2" %)Timer interrupt|Time|Set the interval time for interrupt triggering|1 to 2147483647 (100us unit)|
  |priority|When multiple interrupts arrive at the same time, the order of priority execution, the smallest value is executed first|0 to 2|0
@@ -469,7 +469,7 @@
  [[image:1-23.png||class="img-thumbnail"]]
  (% class="table-bordered" %)
--|=(% colspan="2" %)**Project**|=**Content**|=**Setting range**|=**Default**
++|(% colspan="2" %)**Project**|**Content**|**Setting range**|**Default**
  |(% colspan="2" %)Execution type|Select the type of interrupt|Not set, External input interrupt, Timer event, high-speed counter interrupt|Not set
  |(% rowspan="5" %)High count interrupt|Mode|(((
  Select the type of high-speed counter interrupt:
@@ -500,7 +500,7 @@
   Description of triggering rules
  (% class="table-bordered" %)
--|=(% style="width: 135px;" %)**Mode**|=(% style="width: 187px;" %)**Configuration**|=(% style="width: 128px;" %)**The current value**|=(% style="width: 324px;" %)**Action**
++|(% style="width:135px" %)**Mode**|(% style="width:187px" %)**Configuration**|(% style="width:128px" %)**The current value**|(% style="width:324px" %)**Action**
  |(% rowspan="2" style="width:135px" %)High-speed compare interrupt (INT0)|(% rowspan="2" style="width:187px" %)Comparison value: 10000|(% style="width:128px" %)9999 → 10000|(% style="width:324px" %)Execute all programs in interrupt INT0
  |(% style="width:128px" %)10001 → 10000|(% style="width:324px" %)Execute all programs in interrupt INT0
  |(% rowspan="2" style="width:135px" %)High-speed comparison set (INT1)|(% rowspan="2" style="width:187px" %)(((
@@ -593,38 +593,38 @@
  (% class="table-bordered" %)
  |=(% colspan="4" %)**Timer interrupt mask register**
--|=(% style="width: 262px;" %)**Special register number**|=(% style="width: 309px;" %)**Type of interrupt**|=(% style="width: 394px;" %)**Instruction**|=(% style="width: 110px;" %)**Default**
--|(% style="width:262px" %)SD350|(% style="width:309px" %)1st to 16th timer interrupt|(% style="width:394px" %)(((
++|=**Special register number**|=(% style="width: 311px;" %)**Type of interrupt**|=(% style="width: 391px;" %)**Instruction**|=(% style="width: 110px;" %)**Default**
++|SD350|(% style="width:311px" %)1st to 16th timer interrupt|(% style="width:391px" %)(((
  Each bit can control the mask of an interrupt.
  ON: shield interrupts; OFF: interrupt allowed
  )))|(% style="width:110px" %)0
--|(% style="width:262px" %)SD351|(% style="width:309px" %)17th to 32th timer interrupt|(% style="width:394px" %)(((
++|SD351|(% style="width:311px" %)17th to 32th timer interrupt|(% style="width:391px" %)(((
  Each bit can control the mask of an interrupt.
  ON: shield interrupts; OFF: interrupt allowed
  )))|(% style="width:110px" %)0
--|(% style="width:262px" %)SD352|(% style="width:309px" %)33th to 48th timer interrupt|(% style="width:394px" %)(((
++|SD352|(% style="width:311px" %)33th to 48th timer interrupt|(% style="width:391px" %)(((
  Each bit can control the mask of an interrupt.
  ON: shield interrupts; OFF: interrupt allowed
  )))|(% style="width:110px" %)0
--|(% style="width:262px" %)SD353|(% style="width:309px" %)49th to 64th timer interrupt|(% style="width:394px" %)(((
++|SD353|(% style="width:311px" %)49th to 64th timer interrupt|(% style="width:391px" %)(((
  Each bit can control the mask of an interrupt.
  ON: shield interrupts; OFF: interrupt allowed
  )))|(% style="width:110px" %)0
--|(% style="width:262px" %)SD354|(% style="width:309px" %)65th to 80th timer interrupt|(% style="width:394px" %)(((
++|SD354|(% style="width:311px" %)65th to 80th timer interrupt|(% style="width:391px" %)(((
  Each bit can control the mask of an interrupt.
  ON: shield interrupts; OFF: interrupt allowed
  )))|(% style="width:110px" %)0
--|(% style="width:262px" %)SD355|(% style="width:309px" %)81st to 96th timer interrupt|(% style="width:394px" %)(((
++|SD355|(% style="width:311px" %)81st to 96th timer interrupt|(% style="width:391px" %)(((
  Each bit can control the mask of an interrupt.
  ON: shield interrupts; OFF: interrupt allowed
  )))|(% style="width:110px" %)0
--|(% style="width:262px" %)SD356|(% style="width:309px" %)97th to 100th timer interrupt|(% style="width:394px" %)(((
++|SD356|(% style="width:311px" %)97th to 100th timer interrupt|(% style="width:391px" %)(((
  Each bit can control the mask of an interrupt.
  ON: shield interrupts; OFF: interrupt allowed
@@ -673,7 +673,7 @@
  == Subroutine ==
--During the execution of the scan program, the executed program can be called by the CALL instruction. You can create up to 100 new subprograms.
++During the execution of the scan program, the executed program can be called by the CALL instruction.
  A subroutine is to split a certain module in the main program for the main program to call, which is conducive to the modularization of the program. Such as other high-level language functions, but this function has no parameters and no return value.
@@ -680,7 +680,7 @@
  (% style="text-align:center" %)
  [[image:1652250926997-587.png||class="img-thumbnail"]]
--**Instructions for calling subroutines**
++1. Instructions for calling subroutines
  After a new subroutine is created, the content of the program is not executed. It is executed only when the CALL(P) instruction is used to call the subroutine in the scan, event, and interrupt programs, and the call is executed once. Three new subroutines SUB0, SUB1, SUB2 are created as shown in the figure below. In the main program MAIN, the subprogram can be called by using the CALL(P) subprogram program name.
@@ -689,87 +689,87 @@
  (% style="text-align:center" %)
  [[image:1-28.png||class="img-thumbnail"]]
--(% class="box infomessage" %)
--(((
--**✎Note:**
++**~      1.✎Note:**
 . When using the timer (OUT T), note that the output will not be reset when the subroutine is not called, and a specific subroutine register must be used.
 . It is not allowed to call recursively between subprograms, that is, call SUB1 in SUB0, and then call SUB0 in SUB1. This is not allowed.
 . The subroutine can be nested up to 32 levels. If the level exceeds 32 levels, a serious error will be reported and the Circuit program operation will be forcibly stopped.
 . Unlike the LX3V series mainframe, the subroutine in the LX5V series mainframe ends with the END instruction instead of SRET.
--)))
  == Positioning instructions ==
--(% class="wikigeneratedid" %)
--**Event**
++      ~1. Event
--(% class="wikigeneratedid" %)
--ON event
++      1.ON event
--* If the high-speed pulse instruction is turned on during the ON event, the high-speed pulse instruction will be sent as normal. If the ON contact of the trigger event in the scan period is turned OFF during the pulse sending, select whether to continue sending the pulse or stop the pulse according to the unscanned processing flag bit.
++If the high-speed pulse instruction is turned on during the ON event, the high-speed pulse instruction will be sent as normal. If the ON contact of the trigger event in the scan period is turned OFF during the pulse sending, select whether to continue sending the pulse or stop the pulse according to the unscanned processing flag bit.
  (% class="table-bordered" %)
--|=(% scope="row" %)**Output shaft**|Y0|Y1|Y2|Y3|Y4|Y5|Y6|Y7
--|=**Not scanned flag bit**|SM899|SM959|SM1019|SM1079|SM1139|SM1199|SM1259|SM1319
++|**Output shaft**|Y0|Y1|Y2|Y3|Y4|Y5|Y6|Y7
++|**Not scanned flag bit**|SM899|SM959|SM1019|SM1079|SM1139|SM1199|SM1259|SM1319
--* When the flag bit is 0 (continue to send pulse), if the instruction is not scanned in the current scan cycle, continue to send pulses until it stops. At this time, it should be noted that if the trigger event OFF contact turns ON after the pulse is sent, the pulse will be sent again.
--* When the flag bit is 1 (stop sending pulses), if the trigger event ON contact turns OFF in a certain scan period, it will decelerate and stop.
++When the flag bit is 0 (continue to send pulse), if the instruction is not scanned in the current scan cycle, continue to send pulses until it stops. At this time, it should be noted that if the trigger event OFF contact turns ON after the pulse is sent, the pulse will be sent again.
-- TIME event
++When the flag bit is 1 (stop sending pulses), if the trigger event ON contact turns OFF in a certain scan period, it will decelerate and stop.
--* If the high-speed pulse instruction is turned on in the TIME event, the high-speed pulse instruction will be sent as normal. If the instruction is not scanned in a certain scan period during the pulse transmission, select whether to continue sending the pulse or stop the pulse according to the unscanned processing flag bit.
++      2. TIME event
++If the high-speed pulse instruction is turned on in the TIME event, the high-speed pulse instruction will be sent as normal. If the instruction is not scanned in a certain scan period during the pulse transmission, select whether to continue sending the pulse or stop the pulse according to the unscanned processing flag bit.
++
  (% class="table-bordered" %)
--|=(% scope="row" %)**Output shaft**|Y0|Y1|Y2|Y3|Y4|Y5|Y6|Y7
--|=**Not scanned flag bit**|SM899|SM959|SM1019|SM1079|SM1139|SM1199|SM1259|SM1319
++|**Output shaft**|Y0|Y1|Y2|Y3|Y4|Y5|Y6|Y7
++|**Not scanned flag bit**|SM899|SM959|SM1019|SM1079|SM1139|SM1199|SM1259|SM1319
--* When the flag bit is 0 (continue to send pulse), if the instruction is not scanned in the current scan cycle, the pulse will continue to be sent until it stops. In the TIME event, it is impossible to ensure that the instruction is scanned in every scan cycle, so you should avoid using high-speed pulse instructions in the TIME time, otherwise the pulse will be sent again after the pulse is sent.
--* When the flag bit is 1 (stop sending pulses), if the instruction is not scanned in the current scan cycle, it will decelerate and stop. In the TIME event, if the flag bit is set to 1 (stop sending pulses), there will be no pulse sending.
++When the flag bit is 0 (continue to send pulse), if the instruction is not scanned in the current scan cycle, the pulse will continue to be sent until it stops. In the TIME event, it is impossible to ensure that the instruction is scanned in every scan cycle, so you should avoid using high-speed pulse instructions in the TIME time, otherwise the pulse will be sent again after the pulse is sent.
--**Subroutine**
++When the flag bit is 1 (stop sending pulses), if the instruction is not scanned in the current scan cycle, it will decelerate and stop. In the TIME event, if the flag bit is set to 1 (stop sending pulses), there will be no pulse sending.
++       2. Subroutine
++
  If the high-speed pulse instruction is turned on in the subroutine, the high-speed pulse instruction will be sent as normal. If the scanning period is closed during pulse sending, select whether to continue sending or stop the pulse according to the unscanned processing flag.
  (% class="table-bordered" %)
--|=(% scope="row" %)**Output shaft**|Y0|Y1|Y2|Y3|Y4|Y5|Y6|Y7
--|=**Not scanned flag bit**|SM899|SM959|SM1019|SM1079|SM1139|SM1199|SM1259|SM1319
++|**Output shaft**|Y0|Y1|Y2|Y3|Y4|Y5|Y6|Y7
++|**Not scanned flag bit**|SM899|SM959|SM1019|SM1079|SM1139|SM1199|SM1259|SM1319
  When the flag bit is 0 (continue to send pulse), if the instruction is not scanned in the current scan cycle, the pulse will continue to be sent until it stops. At this time, it should be noted that if the subroutine is called again after the pulse is sent, the pulse will be sent again.
  When the flag bit is 1 (stop sending pulses), if the subroutine is closed during high-speed pulse sending, the speed will decelerate and stop. If the subroutine is closed before sending the pulse, then no pulse is sent.
--**Interrupt**
++      3. Interrupt
--External interrupt
++1. External interrupt
--* If the high-speed pulse instruction is enabled in the external interrupt, the high-speed pulse instruction selects whether the pulse continues to be sent or the pulse stops according to the unscanned processing flag bit.
++If the high-speed pulse instruction is enabled in the external interrupt, the high-speed pulse instruction selects whether the pulse continues to be sent or the pulse stops according to the unscanned processing flag bit.
  (% class="table-bordered" %)
--|=(% scope="row" %)**Output shaft**|Y0|Y1|Y2|Y3|Y4|Y5|Y6|Y7
--|=**Not scanned flag bit**|SM899|SM959|SM1019|SM1079|SM1139|SM1199|SM1259|SM1319
++|**Output shaft**|Y0|Y1|Y2|Y3|Y4|Y5|Y6|Y7
++|**Not scanned flag bit**|SM899|SM959|SM1019|SM1079|SM1139|SM1199|SM1259|SM1319
--* When the flag bit is 0 (continue to send pulse), continue to send high-speed pulses until it stops.
--* When the flag bit is 1 (stop sending pulse), the high-speed pulse decelerates and stops.
++When the flag bit is 0 (continue to send pulse), continue to send high-speed pulses until it stops.
--Timer interrupt
++When the flag bit is 1 (stop sending pulse), the high-speed pulse decelerates and stops.
--* If the high-speed pulse instruction is turned on in the timer interruption, the high-speed pulse instruction is sent as normal. If the instruction is not scanned in a certain scan period in the pulse transmission, the pulse continues to be sent or the pulse stops is selected according to the unscanned processing flag.
++        2. Timer interrupt
++If the high-speed pulse instruction is turned on in the timer interruption, the high-speed pulse instruction is sent as normal. If the instruction is not scanned in a certain scan period in the pulse transmission, the pulse continues to be sent or the pulse stops is selected according to the unscanned processing flag.
++
  (% class="table-bordered" %)
--|=(% scope="row" %)**Output axis**|Y0|Y1|Y2|Y3|Y4|Y5|Y6|Y7
--|=**Not scanned flag bit**|SM899|SM959|SM1019|SM1079|SM1139|SM1199|SM1259|SM1319
++|**Output axis**|Y0|Y1|Y2|Y3|Y4|Y5|Y6|Y7
++|**Not scanned flag bit**|SM899|SM959|SM1019|SM1079|SM1139|SM1199|SM1259|SM1319
--* When the flag bit is 0 (continue to send pulse), if the instruction is not scanned in the current scan cycle, continue to send pulses until it stops. In the timer interrupt, it is impossible to ensure that the instruction is scanned in every scan cycle, so it is necessary to avoid using high-speed pulse instructions in the T timer interrupt. Otherwise, after the pulse transmission is completed, the pulse will be sent again.
--* When the flag bit is 1 (stop sending pulses), if the instruction is not scanned in the current scan cycle, it will decelerate and stop. In the TIME event, if the flag bit is set to 1 (stop sending pulses), there will be no pulse sending.
++When the flag bit is 0 (continue to send pulse), if the instruction is not scanned in the current scan cycle, continue to send pulses until it stops. In the timer interrupt, it is impossible to ensure that the instruction is scanned in every scan cycle, so it is necessary to avoid using high-speed pulse instructions in the T timer interrupt. Otherwise, after the pulse transmission is completed, the pulse will be sent again.
--High-speed comparison interrupt
++When the flag bit is 1 (stop sending pulses), if the instruction is not scanned in the current scan cycle, it will decelerate and stop. In the TIME event, if the flag bit is set to 1 (stop sending pulses), there will be no pulse sending.
--* If the high-speed pulse instruction is enabled in the high-speed comparison interrupt, the high-speed pulse instruction selects whether the pulse continues to be sent or the pulse stops according to the unscanned processing flag.
++       3.High-speed comparison interrupt
++If the high-speed pulse instruction is enabled in the high-speed comparison interrupt, the high-speed pulse instruction selects whether the pulse continues to be sent or the pulse stops according to the unscanned processing flag.
++
  (% class="table-bordered" %)
--|=(% scope="row" %)**Output axis**|Y0|Y1|Y2|Y3|Y4|Y5|Y6|Y7
--|=**Not scanned flag bit**|SM899|SM959|SM1019|SM1079|SM1139|SM1199|SM1259|SM1319
++|**Output axis**|Y0|Y1|Y2|Y3|Y4|Y5|Y6|Y7
++|**Not scanned flag bit**|SM899|SM959|SM1019|SM1079|SM1139|SM1199|SM1259|SM1319
--* When the flag bit is 0 (continue to send pulse), continue to send high-speed pulses until it stops.
--* When the flag bit is 1 (stop sending pulse), the high-speed pulse decelerates and stops.
++When the flag bit is 0 (continue to send pulse), continue to send high-speed pulses until it stops.
++
++When the flag bit is 1 (stop sending pulse), the high-speed pulse decelerates and stops.

image-20220926104203-1.jpeg

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1		-XWiki.Stone

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