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Last modified by Iris on 2025/09/17 20:56
From version 2.3
edited by Iris
on 2025/09/17 19:41
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To version 2.8
edited by Iris
on 2025/09/17 20:27
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... ... @@ -31,13 +31,13 @@
31 31  
32 32  This instruction is to complete the PID operation and is used to control the parameters of the closed-loop control system. PID control has a wide range of applications in mechanical equipment, pneumatic equipment, constant pressure water supply and electronic equipment, etc. among them:
33 33  
34 -[[image:11_html_1c6bb88c06ac24cf.png||class="img-thumbnail"]] is the target value of PID control;
34 +[[image:11_html_1c6bb88c06ac24cf.png]] is the target value of PID control;
35 35  
36 -[[image:11_html_fb5122fb6e3a43d5.png||class="img-thumbnail"]] is the measured feedback value;
36 +[[image:11_html_fb5122fb6e3a43d5.png]] is the measured feedback value;
37 37  
38 -[[image:11_html_6c3fad4a32a3db43.png||class="img-thumbnail"]] The starting address of the buffer area for setting parameters required for PID operation and saving intermediate results, occupies a total of 26 variable units in the subsequent addresses, the value range is D0 to D7974, it is best to specify the power failure retention area, which will remain after the power is OFF Set the value, otherwise the buffer area needs to be assigned value before starting the operation for the first time. The function and parameter description of each unit are described in this section;
38 +[[image:11_html_6c3fad4a32a3db43.png]] The starting address of the buffer area for setting parameters required for PID operation and saving intermediate results, occupies a total of 26 variable units in the subsequent addresses, the value range is D0 to D7974, it is best to specify the power failure retention area, which will remain after the power is OFF Set the value, otherwise the buffer area needs to be assigned value before starting the operation for the first time. The function and parameter description of each unit are described in this section;
39 39  
40 -[[image:11_html_b126b1b2673dc1f4.png||class="img-thumbnail"]] is the storage unit of the PID calculation result. Please designate [[image:11_html_d47cd1f59b766ed3.png||class="img-thumbnail"]] as a non-battery holding area, otherwise it needs to be initialized and cleared before starting the calculation for the first time.
40 +[[image:11_html_b126b1b2673dc1f4.png]] is the storage unit of the PID calculation result. Please designate [[image:11_html_d47cd1f59b766ed3.png]] as a non-battery holding area, otherwise it needs to be initialized and cleared before starting the calculation for the first time.
41 41  
42 42  **Programming example**
43 43  
... ... @@ -51,29 +51,29 @@
51 51  
52 52  The D130 unit is used to store the calculated control output value to control the execution of the action.
53 53  
54 -The function and setting method of the parameter value of each unit about starting of [[image:11_html_6c3fad4a32a3db43.png||class="img-thumbnail"]] are described in the following table:
54 +The function and setting method of the parameter value of each unit about starting of [[image:11_html_6c3fad4a32a3db43.png]] are described in the following table:
55 55  
56 56  |**Unit**|**Features**|**Setting instructions**
57 -|[[image:11_html_6c3fad4a32a3db43.png||class="img-thumbnail"]]|Sampling time (TS)|The setting range is 1 to 32767 (ms), but it needs to be greater than the PLC program scan period
58 -|[[image:11_html_6c3fad4a32a3db43.png||class="img-thumbnail"]] +1|Action direction (ACT)|(((
57 +|[[image:11_html_6c3fad4a32a3db43.png]]|Sampling time (TS)|The setting range is 1 to 32767 (ms), but it needs to be greater than the PLC program scan period
58 +|[[image:11_html_6c3fad4a32a3db43.png]] +1|Action direction (ACT)|(((
59 59  bit0: 0 = positive action; 1 = reverse action bit3: 0 = unidirectional; 1 = bidirectional
60 60  
61 61  bit4: 0 = auto-tuning does not work; 1 = auto-tuning is executed, others cannot be used.
62 62  )))
63 -|[[image:11_html_6c3fad4a32a3db43.png||class="img-thumbnail"]] +2|Maximum ascent rate (DeltaT)|Setting range 0 to 32000 is the threshold of integral increment
64 -|[[image:11_html_6c3fad4a32a3db43.png||class="img-thumbnail"]] +3|Proportional gain (Kp)|Setting range 0 to 32767, note that this value is enlarged by 256 times, the actual value is Kp/256
65 -|[[image:11_html_6c3fad4a32a3db43.png||class="img-thumbnail"]] +4|Integral gain (Ki)|Setting range 0 to 32767, Ki=16384Ts/Ti, Ti is the integral time
66 -|[[image:11_html_6c3fad4a32a3db43.png||class="img-thumbnail"]] +5|Differential gain (Kd)|Setting range 0 to 32767, Kd≈Td/Ts, Td is the derivative time
67 -|[[image:11_html_6c3fad4a32a3db43.png||class="img-thumbnail"]] +6|Filtering (C0)|Setting range 0 to 1023, integral part filtering
68 -|[[image:11_html_6c3fad4a32a3db43.png||class="img-thumbnail"]] +7|Output lower limit|(((
63 +|[[image:11_html_6c3fad4a32a3db43.png]] +2|Maximum ascent rate (DeltaT)|Setting range 0 to 32000 is the threshold of integral increment
64 +|[[image:11_html_6c3fad4a32a3db43.png]] +3|Proportional gain (Kp)|Setting range 0 to 32767, note that this value is enlarged by 256 times, the actual value is Kp/256
65 +|[[image:11_html_6c3fad4a32a3db43.png]] +4|Integral gain (Ki)|Setting range 0 to 32767, Ki=16384Ts/Ti, Ti is the integral time
66 +|[[image:11_html_6c3fad4a32a3db43.png]] +5|Differential gain (Kd)|Setting range 0 to 32767, Kd≈Td/Ts, Td is the derivative time
67 +|[[image:11_html_6c3fad4a32a3db43.png]] +6|Filtering (C0)|Setting range 0 to 1023, integral part filtering
68 +|[[image:11_html_6c3fad4a32a3db43.png]] +7|Output lower limit|(((
69 69  Recommended setting range -2000 to 2000
70 70  
71 71  {{id name="OLE_LINK630"/}}When bit3 of S3+1=0, set to 0; When bit3 of S3+1=1, set to -2000;
72 72  )))
73 -|[[image:11_html_6c3fad4a32a3db43.png||class="img-thumbnail"]] +8|Output upper limit|Recommended setting value 2000
74 -|[[image:11_html_6c3fad4a32a3db43.png||class="img-thumbnail"]] +9|Reserved|Reserved
73 +|[[image:11_html_6c3fad4a32a3db43.png]] +8|Output upper limit|Recommended setting value 2000
74 +|[[image:11_html_6c3fad4a32a3db43.png]] +9|Reserved|Reserved
75 75  |︙|︙|︙
76 -|[[image:11_html_6c3fad4a32a3db43.png||class="img-thumbnail"]] +25|Reserved|Reserved
76 +|[[image:11_html_6c3fad4a32a3db43.png]] +25|Reserved|Reserved
77 77  
78 78  **Auto tuning example**
79 79  
... ... @@ -107,10 +107,8 @@
107 107  
108 108  **Example**
109 109  
110 -See manual.
110 +== **CCPID/CCPID calculation** ==
111 111  
112 -== {{id name="_Toc32463"/}}{{id name="_Toc21837"/}}{{id name="_Toc31152"/}}**CCPID/CCPID calculation** ==
113 -
114 114  **CCPID**
115 115  
116 116  This instruction is used to perform PID control that changes the output value according to the amount of input change.
... ... @@ -152,12 +152,13 @@
152 152  
153 153  **Error code**
154 154  
153 +
155 155  |**Error code**|**Content**
156 156  |4085H|When the device specified in the read application instructions (s1), (s2), (s3), (d) exceeds the range of the corresponding device.
157 157  |4086H|When the device specified in the write application instruction (s3) and (d) exceeds the range of the corresponding device.
158 158  |4D80H|The sampling time is out of range.​(T,,S,,≤0)
159 159  |4D81H|Input filter constant (α) is out of range (α​<0 or α>1023)
160 -|4D82H|The maximum ascent rate (△//T//) is out of range.(△//T//​<0 or △//T//​>1023)
159 +|4D82H|The maximum ascent rate (​​​​​​​△//T//) is out of range.(△//T//​<0 or △//T//​>1023)
161 161  |4D86H|The sampling time (Ts) is less than the operation cycle.​​​​​​​​​​​(T//s//<Scanning cycle)
162 162  |4D87H|The proportional gain (K//p//) is out of range.​​​​(K//p//<1 or K//p//>32000)​​​​​​​
163 163  |4D88H|The integral time constant (Ti) is out of range.(K//i​//<0 or K//i//>3600)
... ... @@ -166,9 +166,9 @@
166 166  
167 167  **Example**
168 168  
169 -See "__CCPID Instruction Manual__".
168 +See "CCPID Instruction Manual".
170 170  
171 -== **{{id name="_Toc8661"/}}{{id name="_Toc13227"/}}{{id name="_Toc18478"/}}{{id name="_Toc29418"/}}{{id name="_Toc5268"/}}{{id name="_Toc5168"/}}{{id name="_Toc307"/}}**FPID/FPID calculation ==
170 +== **FPID/FPID calculation** ==
172 172  
173 173  **FPID**
174 174  
... ... @@ -327,13 +327,13 @@
327 327  
328 328  **Device used**
329 329  
330 -[[image:11_html_954290ac172c672b.jpg||class="img-thumbnail"]] is the target value (SV) of PID control;
329 +[[image:11_html_954290ac172c672b.jpg]] is the target value (SV) of PID control;
331 331  
332 -[[image:11_html_31f47ac5eec30067.jpg||class="img-thumbnail"]] is the measured feedback value (PV);
331 +[[image:11_html_31f47ac5eec30067.jpg]] is the measured feedback value (PV);
333 333  
334 -[[image:11_html_6dcdd8fc88703a47.jpg||class="img-thumbnail"]] is the start address of the buffer area for setting parameters required for PID operation and saving intermediate results, occupying a total of 52 variable units of subsequent addresses (recommended to reserve 100 continuous spaces).The value range is D0 to D7,948, it is better to specify power failure retention, and the setting value remains after power supply is off. Otherwise,the buffer needs to be assigned value before starting the calculation for the first time. The function and parameter description of each unit are described in this section;
333 +[[image:11_html_6dcdd8fc88703a47.jpg]] is the start address of the buffer area for setting parameters required for PID operation and saving intermediate results, occupying a total of 52 variable units of subsequent addresses (recommended to reserve 100 continuous spaces).The value range is D0 to D7,948, it is better to specify power failure retention, and the setting value remains after power supply is off. Otherwise,the buffer needs to be assigned value before starting the calculation for the first time. The function and parameter description of each unit are described in this section;
335 335  
336 -[[image:11_html_7e06d96423d5de52.jpg||class="img-thumbnail"]] is the storage unit (MV) of the PID calculation result. Please specify it as a non-battery retentive area, otherwise it needs to be initialized and cleared before the first start of calculation.
335 +[[image:11_html_7e06d96423d5de52.jpg]] is the storage unit (MV) of the PID calculation result. Please specify it as a non-battery retentive area, otherwise it needs to be initialized and cleared before the first start of calculation.
337 337  
338 338  (% style="text-align:center" %)
339 339  [[image:11_html_8eeef07485b91193.jpg||class="img-thumbnail"]]
... ... @@ -348,13 +348,13 @@
348 348  
349 349  D130 unit is used to store the calculated control output value to control the execution of the action.
350 350  
351 -The functions and setting methods of the parameter values of each unit used by [[image:11_html_6dcdd8fc88703a47.jpg||class="img-thumbnail"]] are described in the following table:
350 +The functions and setting methods of the parameter values of each unit used by [[image:11_html_6dcdd8fc88703a47.jpg]] are described in the following table:
352 352  
353 -[[image:11_html_6dcdd8fc88703a47.jpg||class="img-thumbnail"]] to [[image:11_html_6dcdd8fc88703a47.jpg||class="img-thumbnail"]] +14 is the parameter range that can be set (parameters set when CCPID is executed).
352 +[[image:11_html_6dcdd8fc88703a47.jpg]] to [[image:11_html_6dcdd8fc88703a47.jpg]] +14 is the parameter range that can be set (parameters set when CCPID is executed).
354 354  
355 -[[image:11_html_6dcdd8fc88703a47.jpg||class="img-thumbnail"]] +15 to [[image:11_html_6dcdd8fc88703a47.jpg||class="img-thumbnail"]] +21 is the space used internally by CCPID control.
354 +[[image:11_html_6dcdd8fc88703a47.jpg]] +15 to [[image:11_html_6dcdd8fc88703a47.jpg]] +21 is the space used internally by CCPID control.
356 356  
357 -[[image:11_html_6dcdd8fc88703a47.jpg||class="img-thumbnail"]] +22 to [[image:11_html_6dcdd8fc88703a47.jpg||class="img-thumbnail"]] +51 is the parameter space used in the auto-tuning process.
356 +[[image:11_html_6dcdd8fc88703a47.jpg]] +22 to [[image:11_html_6dcdd8fc88703a47.jpg]] +51 is the parameter space used in the auto-tuning process.
358 358  
359 359  |**Unit**|**Features**|**Setting instructions**|**Supplement**
360 360  | |Sample time (TS)|The set range is 1 to 32,767 (ms), but greater than PLC program scan cycle.|It is how often the instruction calculates and updates the output value (MV). When TS is less than one scan time, PID instruction is executed with one scan time and alarm 4D86H. When TS ≤ 0, alarm 4D80H and no execution.
... ... @@ -450,7 +450,7 @@
450 450  3) +6 work range: Twork(example: 170 represents 17℃)
451 451  
452 452  (% style="text-align:center" %)
453 -[[image:11_html_7ab814bb49fffa5a.gif||class="img-thumbnail"]]
452 +[[image:企业微信截图_17581105436817.png||height="197" width="652"]]
454 454  
455 455  4) +9 working mode:
456 456  
... ... @@ -458,7 +458,7 @@
458 458  
459 459  1: Slight overshoot or no overshoot working mode
460 460  
461 -2: Custom settings; to achieve by setting +10, +11, +12 three coefficients.
460 +2: Custom settings; to achieve by setting [[image:1758111151287-920.png||height="15" width="28"]]+10, [[image:1758111151287-920.png||height="15" width="28"]]+11, [[image:1758111151287-920.png||height="15" width="28"]]+12 three coefficients.
462 462  
463 463  5) +1 bit2 self-tuning transition zone switch: (upper limit 1℃, low limit 0.5℃)
464 464  
... ... @@ -546,7 +546,7 @@
546 546  |D101|Control detail settings
547 547  |D102|First-order inertial filter coefficient
548 548  |D106|Working interval
549 -|D109|Operating mode
548 +|D109|Working mode
550 550  
551 551  **(4) Parameter control effect description**
552 552  
... ... @@ -616,9 +616,9 @@
616 616  [[image:11_html_74a7527eace55103.gif||class="img-thumbnail"]]
617 617  
618 618  
619 -**11.6 LAGCDL Large time-delay temperature control instruction**
618 +== **LAGCDL Large time-delay temperature control instruction** ==
620 620  
621 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps243.png]]**LAGCDL**
620 +**LAGCDL**
622 622  
623 623  This instruction is used to perform large time-delay system temperature control that changes the output value according to changes in the input.
624 624  
... ... @@ -634,7 +634,7 @@
634 634  
635 635  **Device used**
636 636  
637 -|(% rowspan="2" %)**Instruction**|(% rowspan="2" %)**Parameter**|(% colspan="24" %)**Devices**|(((
636 +|(% rowspan="2" %)**Instruction**|(% rowspan="2" %)**Parameter**|(% colspan="8" %)**Devices**|(((
638 638  **Offset**
639 639  
640 640  **modification**
... ... @@ -643,29 +643,29 @@
643 643  
644 644  **extension**
645 645  )))
646 -|**X**|**Y**|**M**|**S**|**SM**|**T(bit)**|**C(bit)**|**LC(bit)**|**HSC(bit)**|**D.b**|**KnX**|**KnY**|**KnM**|**KnS**|**T**|**C**|**D**|**R**|**SD**|**LC**|**HSC**|**K**|**H**|**E**|**[D]**|**XXP**
647 -|(% rowspan="4" %)LAGCDL|Parameter 1| | | | | | | | | | | | | | | | |●|●|●| | | | | | |
648 -|Parameter 2| | | | | | | | | | | | | | | | |●|●|●| | | | | | |
649 -|Parameter 3| | | | | | | | | | | | | | | | |●|●|●| | | | | | |
650 -|Parameter 4| | | | | | | | | | | | | | | | |●|●|●| | | | | | |
645 +|**D**|**R**|**SD**|**LC**|**HSC**|**K**|**H**|**E**|**[D]**|**XXP**
646 +|(% rowspan="4" %)LAGCDL|Parameter 1|●|●|●| | | | | | |
647 +|Parameter 2|●|●|●| | | | | | |
648 +|Parameter 3|●|●|●| | | | | | |
649 +|Parameter 4|●|●|●| | | | | | |
651 651  
652 652  **Features**
653 653  
654 654  This instruction is to complete large time-delay system control operation, and used to control the parameters of the closed-loop control system.
655 655  
656 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps244.png]] is the target value of CCPID SHT control (SV).
655 +[[image:1758111592778-873.png]]is the target value of CCPID SHT control (SV).
657 657  
658 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps245.png]] is the measured feedback value (PV).
657 +[[image:1758111614838-309.png]]is the measured feedback value (PV).
659 659  
660 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps246.png]] is the start address of the cache where the parameters required by LAGCDL operation and intermediate results are saved,
659 + ​​​​[[image:1758111642557-547.png]]is the start address of the cache where the parameters required by LAGCDL operation and intermediate results are saved,
661 661  
662 662  occupying a total of 634 variable units of subsequent addresses. The value range is from D0 to D7974 or from R0 to R35000. It is better to specify power failure retention, and the setting value remains after power supply is off. Otherwise, the cache needs to be assigned value before starting the calculation for the first time. The function and parameter description of each unit are described in this section.
663 663  
664 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps247.png]] is the storage unit of the LAGCDL calculation result. Please specify it as a non-battery retentive area, otherwise it needs to be initialized and cleared before the first start of calculation.
663 +[[image:1758111693192-390.png]] is the storage unit of the LAGCDL calculation result. Please specify it as a non-battery retentive area, otherwise it needs to be initialized and cleared before the first start of calculation.
665 665  
666 666  **Programming example**
667 667  
668 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps248.jpg]]
667 +[[image:1758111738993-165.png||height="64" width="430"]]
669 669  
670 670  The parameter description is as follows:
671 671  
... ... @@ -675,15 +675,15 @@
675 675  
676 676  D100 unit is used to store the calculated control output value to control the execution of the action.
677 677  
678 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps249.png]] to [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps250.png]]+15 is the parameter range that can be set (parameters set when LAGCDL is executed). [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps251.png]]+28 to [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps252.png]]+631 is the historical data space for LAGCDL control internal use. [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps253.png]]+4 to [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps254.png]]+27 is the parameter space used in the self-tuning process. (This space is multiplexed with the parameter space during control)
677 +[[image:1758111862269-781.png]] to [[image:1758111862269-781.png]]+15 is the parameter range that can be set (parameters set when LAGCDL is executed). [[image:1758111862269-781.png]]+28 to [[image:1758111862269-781.png]]+631 is the historical data space for LAGCDL control internal use. [[image:1758111862269-781.png]]+4 to [[image:1758111862269-781.png]]+27 is the parameter space used in the self-tuning process. (This space is multiplexed with the parameter space during control)
679 679  
680 -The functions and setting methods of the parameter values of each unit started by [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps255.png]] are described in the following table:
679 +The functions and setting methods of the parameter values of each unit started by [[image:1758111862269-781.png]] are described in the following table:
681 681  
682 682  
683 683  
684 -|**Unit**|**Function**|**Description**
685 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps256.png]]|Sampling time (TS)|Range: 1 to 32767 (ms). It must be longer than PLC program scan cycle.
686 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps257.png]]+1|Control flag bit|(((
683 +|(% style="width:108px" %)**Unit**|(% style="width:230px" %)**Function**|**Description**
684 +|(% style="width:108px" %)[[image:1758111862269-781.png]]|(% style="width:230px" %)Sampling time (TS)|Range: 1 to 32767 (ms). It must be longer than PLC program scan cycle.
685 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+1|(% style="width:230px" %)Control flag bit|(((
687 687  bit0: 0＝Forward action; 1＝Reverse action
688 688  
689 689  bit1: Overshoot power limit output enable bit. 0＝no limit; 1＝limited
... ... @@ -696,32 +696,32 @@
696 696  
697 697  Bit15: The instruction initializes the flag bit. When initialization is complete, it is set to 1.
698 698  )))
699 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps258.png]]+2|Output lower limit|Range: -32000 to 32000. Recommended setting range: -2000 or 0.
700 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps259.png]]+3|Output upper limit|Range: 0 to 32000. Recommended setting value is 2000. When the upper and lower limits are both 0, the upper limit becomes 2000 and the lower limit becomes 0.
701 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps260.png]]+4|Full power output boundary|The suggested value can be obtained by self-tuning, and can also be adjusted according to the actual situation.
702 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps261.png]]+5|Half-power output boundary|The suggested value can be obtained by self-tuning, and can also be adjusted according to the actual situation.
703 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps262.png]]+6|Stop output boundary|The suggested value can be obtained by self-tuning, and can also be adjusted according to the actual situation.
704 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps263.png]]+7|The maximum rate of increase of the controlled system|Given by self-tuning
705 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps264.png]]+8|The lagged time of the controlled system|Given by self-tuning. Unit: s
706 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps265.png]]+9|The time constant of the controlled system|Given by self-tuning. Unit: s
707 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps266.png]]+10|Ideal closed-loop time constant|Given by self-tuning. Unit: s
708 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps267.png]]+11|Ideal closed-loop sampling time|Given by self-tuning. This parameter can be adjusted during the control process. Unit: s
709 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps268.png]]+12|Maximum temperature difference during setting|Given by self-tuning. (for your reference)
710 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps269.png]]+13|The temperature difference between the residual heat and temperature rise|Given by self-tuning. (for your reference)
711 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps270.png]]+14|Heating time|Given by self-tuning. (for your reference)
712 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps271.png]]+15|Setting time|Given by self-tuning. (for your reference)
713 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps272.png]]+16|(% rowspan="3" %)Self-tuning use space|(% rowspan="3" %)Reserved for internal use
714 -|┇
715 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps273.png]]+27
716 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps274.png]]+28|Current temperature difference|Used during control
717 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps275.png]]+29|Previous temperature difference|Used during control
718 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps276.png]]+30|The 1st operation flag bit|Used during control
719 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps277.png]]+31|Number of valid history outputs|Used during control
720 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps278.png]]+32|(% rowspan="3" %)Historical output data|(% rowspan="3" %)Used during control
721 -|┇
722 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps279.png]]+631
723 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps280.png]]+632|(% rowspan="2" %)Previous sampling time stamp|(% rowspan="2" %)Reserved for internal use
724 -|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps281.png]]+633
698 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+2|(% style="width:230px" %)Output lower limit|Range: -32000 to 32000. Recommended setting range: -2000 or 0.
699 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+3|(% style="width:230px" %)Output upper limit|Range: 0 to 32000. Recommended setting value is 2000. When the upper and lower limits are both 0, the upper limit becomes 2000 and the lower limit becomes 0.
700 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+4|(% style="width:230px" %)Full power output boundary|The suggested value can be obtained by self-tuning, and can also be adjusted according to the actual situation.
701 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+5|(% style="width:230px" %)Half-power output boundary|The suggested value can be obtained by self-tuning, and can also be adjusted according to the actual situation.
702 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+6|(% style="width:230px" %)Stop output boundary|The suggested value can be obtained by self-tuning, and can also be adjusted according to the actual situation.
703 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+7|(% style="width:230px" %)The maximum rate of increase of the controlled system|Given by self-tuning
704 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+8|(% style="width:230px" %)The lagged time of the controlled system|Given by self-tuning. Unit: s
705 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+9|(% style="width:230px" %)The time constant of the controlled system|Given by self-tuning. Unit: s
706 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+10|(% style="width:230px" %)Ideal closed-loop time constant|Given by self-tuning. Unit: s
707 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+11|(% style="width:230px" %)Ideal closed-loop sampling time|Given by self-tuning. This parameter can be adjusted during the control process. Unit: s
708 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+12|(% style="width:230px" %)Maximum temperature difference during setting|Given by self-tuning. (for your reference)
709 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+13|(% style="width:230px" %)The temperature difference between the residual heat and temperature rise|Given by self-tuning. (for your reference)
710 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+14|(% style="width:230px" %)Heating time|Given by self-tuning. (for your reference)
711 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+15|(% style="width:230px" %)Setting time|Given by self-tuning. (for your reference)
712 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+16|(% rowspan="3" style="width:230px" %)Self-tuning use space|(% rowspan="3" %)Reserved for internal use
713 +|(% style="width:108px" %)┇
714 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+27
715 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+28|(% style="width:230px" %)Current temperature difference|Used during control
716 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+29|(% style="width:230px" %)Previous temperature difference|Used during control
717 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+30|(% style="width:230px" %)The 1st operation flag bit|Used during control
718 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+31|(% style="width:230px" %)Number of valid history outputs|Used during control
719 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+32|(% rowspan="3" style="width:230px" %)Historical output data|(% rowspan="3" %)Used during control
720 +|(% style="width:108px" %)┇
721 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+631
722 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+632|(% rowspan="2" style="width:230px" %)Previous sampling time stamp|(% rowspan="2" %)Reserved for internal use
723 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+633
725 725  
726 726  **Error code**
727 727  
... ... @@ -736,7 +736,6 @@
736 736  
737 737  **Example**
738 738  
739 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps282.png]]
740 740  
741 741  
742 742  == **PRUN/Octal digit transmission (16-bit data)** ==
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