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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
Change comment: There is no comment for this version
To version 4.3
edited by Iris
on 2025/09/17 20:44
Change comment: There is no comment for this version

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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.
... ... @@ -152,6 +152,7 @@
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.
... ... @@ -158,8 +158,8 @@
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)
160 160  |4D82H|The maximum ascent rate (△//T//) is out of range.(△//T//​<0 or △//T//​>1023)
161 -|4D86H|The sampling time (Ts) is less than the operation cycle.​​​​​​​​​​​(T//s//<Scanning cycle)
162 -|4D87H|The proportional gain (K//p//) is out of range.​​​​(K//p//<1 or K//p//>32000)​​​​​​​
160 +|4D86H|The sampling time (Ts) is less than the operation cycle.​​​​(T//s//<Scanning cycle)
161 +|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)
164 164  |4D89H|The differential time constant (T//d//) is out of range.(K//d//<0 or K//d//>1000)
165 165  |4D90H|The upper limit of CCPID output is less than the lower limit.
... ... @@ -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"]]
... ... @@ -348,17 +348,17 @@
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 -| |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.
361 -|+1|Action direction (ACT)|(((
359 +|[[image:11_html_6dcdd8fc88703a47.jpg]]|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.
360 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+1|Action direction (ACT)|(((
362 362  bit0: 0=positive action; 1=reverse action bit2: auto-tuning transition zone switch. 0=not open;1=open
363 363  
364 364  bit3: 0=unidirection; 1=bidirection
... ... @@ -379,12 +379,12 @@
379 379  
380 380  bit4: **✎**When bit4=1 and bit6 and bit7 are not 1, auto-tuning is not executed. **✎**When bit4=0 and one of bit6 and bit7 is 1, auto-tuning is not executed. **✎**When bit4=1 and bit6 and bit7 are both 1, auto-tuning is executed
381 381  )))
382 -|+2|Filter coefficient|The first-order inertia filter of feedback amount (0 to 100%) has a range of 0 to100|When the value is greater than or equal to 100, it will be executed as 0, that is, no filtering will be executed;
383 -|+3|Proportional gain(Kp)|Set range: 0 to 30,000[%]|Overrun error 4D87H
384 -|+4|Integration time (Ti)|Ti is integration time, and the range is 0 to 3,600 (s)|Overrun error 4D88H
385 -|+5|Differential time (Td)|Td is derivative time, and the range is 0 to 1,000 (s)|Overrun error 4D89H
386 -|+6|Working interval|Operating temperature setting enabled by PID (0 indicates no effect) The range is 0 to 1,000|It is recommended to be greater than 5°C, that is, 50 (precision 0.1°C). If it exceeds the range, the boundary value will be taken.
387 -|+7|Output low limit|(((
381 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+2|Filter coefficient|The first-order inertia filter of feedback amount (0 to 100%) has a range of 0 to100|When the value is greater than or equal to 100, it will be executed as 0, that is, no filtering will be executed;
382 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+3|Proportional gain(Kp)|Set range: 0 to 30,000[%]|Overrun error 4D87H
383 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+4|Integration time (Ti)|Ti is integration time, and the range is 0 to 3,600 (s)|Overrun error 4D88H
384 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+5|Differential time (Td)|Td is derivative time, and the range is 0 to 1,000 (s)|Overrun error 4D89H
385 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+6|Working interval|Operating temperature setting enabled by PID (0 indicates no effect) The range is 0 to 1,000|It is recommended to be greater than 5°C, that is, 50 (precision 0.1°C). If it exceeds the range, the boundary value will be taken.
386 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+7|Output low limit|(((
388 388  Range: -10,000 to 10,000.
389 389  
390 390  Recommended setting range: -2,000 or 0 (when S3+1 bit3=0, the lower limit = 0;
... ... @@ -399,7 +399,7 @@
399 399  
400 400  2. During the control process, the lower limit is dynamically adjustable. If the lower limit is greater than or equal to the upper limit, error 4D90H will be reported.
401 401  )))
402 -|+8|Output upper limit|(((
401 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+8|Output upper limit|(((
403 403  Value range: -10,000 to 10,000.
404 404  
405 405  Recommended setting value is 2,000
... ... @@ -412,7 +412,7 @@
412 412  
413 413  2. During the control process, the upper limit is dynamically adjustable. If the lower limit is greater than or equal to the upper limit, error 4D90H will be reported.
414 414  )))
415 -|+9|Mode setting|(((
414 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+9|Mode setting|(((
416 416  0: Overshoot allowed
417 417  
418 418  1: Slight overshoot or no overshoot
... ... @@ -423,44 +423,44 @@
423 423  
424 424  1: Slight overshoot or no overshoot mode (ukd = 300)
425 425  )))
426 -|+10|(((
425 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+10|(((
427 427  Scale factor
428 428  
429 429  (ukp)
430 430  )))|Typically sets value to 100 (default 100) [enabled when S3+9 is set to 2].The range is 1 to 500.|When the value is less than or equal to 0, or greater than 500, the boundary value will be taken.
431 -|+11|Integral coefficient (uki)|Typically sets value to 50 (default 50) [enabled when S3+9 is set to 2]. The range is 1 to 300.|When the value is less than or equal to 0, or greater than 300, the boundary value will be taken.
432 -|+12|Differential coefficient (ukd)|Typically sets value to 50 (default 100. 300 to 400 can be set when slight overshoot is required) [Enable when S3+9 is set to 2]. The range is 1 to 500.|When the value is less than or equal to 0, or greater than 500, the boundary value will be taken.
433 -|+13|Maximum ascent rate (DeltaT)|The range is 0 to 32,000, which is the threshold of integral increment|Overrun error 4D82H
434 -|+14|Filtering (C0)|The range is 0 to 1,023, integral part filtering|Overrun error 4D81H
435 -|+15|(% rowspan="3" %)reserved for internal control|(% rowspan="3" %)Internal control space occupation|(% rowspan="3" %)
430 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+11|Integral coefficient (uki)|Typically sets value to 50 (default 50) [enabled when S3+9 is set to 2]. The range is 1 to 300.|When the value is less than or equal to 0, or greater than 300, the boundary value will be taken.
431 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+12|Differential coefficient (ukd)|Typically sets value to 50 (default 100. 300 to 400 can be set when slight overshoot is required) [Enable when S3+9 is set to 2]. The range is 1 to 500.|When the value is less than or equal to 0, or greater than 500, the boundary value will be taken.
432 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+13|Maximum ascent rate (DeltaT)|The range is 0 to 32,000, which is the threshold of integral increment|Overrun error 4D82H
433 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+14|Filtering (C0)|The range is 0 to 1,023, integral part filtering|Overrun error 4D81H
434 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+15|(% rowspan="3" %)reserved for internal control|(% rowspan="3" %)Internal control space occupation|(% rowspan="3" %)
436 436  |┆
437 -|+21
438 -|+22|(% rowspan="3" %)used space for self-tuning|(% rowspan="3" %)New self-tuning space for internal use|(% rowspan="3" %)
436 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+21
437 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+22|(% rowspan="3" %)used space for self-tuning|(% rowspan="3" %)New self-tuning space for internal use|(% rowspan="3" %)
439 439  |┆
440 -|+51
439 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+51
441 441  
442 442  1) The auto-tuning process occupies the space of S3+22 to S3+51. When the auto-tuning is successful, the adjusted parameters will be written into the space of S3+2 to S3+21.
443 443  
444 -2) +2 filter coefficient α: Processing in first-order inertial filter
443 +2)[[image:11_html_6dcdd8fc88703a47.jpg]] +2 filter coefficient α: Processing in first-order inertial filter
445 445  
446 446  Formula: **T,,now,,=(100-α)×T,,α,,+α×T,,old,,**
447 447  
448 448  T,,α ,,is the currently measured temperature. T,,old ,,is the temperature that participated in the PID calculation last time. T,,now ,,is the temperature used for the current PID calculation. α is the filter coefficient (when α=0, no filtering is performed, and the range of α is 0 to 100.(If there is a temperature with a small overshoot but a long stabilization time, the parameter can be set to 80, and analyze the specific problems in detail)
449 449  
450 -3) +6 work range: Twork(example: 170 represents 17℃)
449 +3)[[image:11_html_6dcdd8fc88703a47.jpg]] +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 -4) +9 working mode:
454 +4) [[image:11_html_6dcdd8fc88703a47.jpg]]+9 working mode:
456 456  
457 457  0: Working mode that allows overshoot
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 -5) +1 bit2 self-tuning transition zone switch: (upper limit 1℃, low limit 0.5℃)
462 +5)[[image:11_html_6dcdd8fc88703a47.jpg]] +1 bit2 self-tuning transition zone switch: (upper limit 1℃, low limit 0.5℃)
464 464  
465 465  The transition zone description in forward control:
466 466  
... ... @@ -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  
... ... @@ -615,11 +615,152 @@
615 615  (% style="text-align:center" %)
616 616  [[image:11_html_74a7527eace55103.gif||class="img-thumbnail"]]
617 617  
617 +=== ** CCPIN_SHT operation** ===
618 618  
619 -**11.6 LAGCDL Large time-delay temperature control instruction**
619 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps294.png]]**CCPIN_SHT**
620 620  
621 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps243.png]]**LAGCDL**
621 +This instruction is used to perform PID control that changes the output value according to the variation of the input.
622 622  
623 +-[CCPID_SHT (s1) (s2)  (s3) (d)]
624 +
625 +**Content, range and data type**
626 +
627 +|**Parameter**|**Content**|**Range**|**Data type**|**Data type (label)**
628 +|(s1)|The device number that stores the target value (SV)|-32767 to 32767|Signed BIN 16 bit|ANY16
629 +|(s2)|The device number that stores the measured value (SV)|-32767 to 32767|Signed BIN 16 bit|ANY16
630 +|(s3)|The device number that stores parameters|1 to 32767|Signed BIN 16 bit|ANY16
631 +|(d)|The device number that stores the output value (SV)|-32767 to 32767|Signed BIN 16 bit|ANY16
632 +
633 +**Device used**
634 +
635 +|(% rowspan="2" %)**Instruction**|(% rowspan="2" %)**Parameter**|(% colspan="8" %)**Devices**|(((
636 +**Offset**
637 +
638 +**modification**
639 +)))|(((
640 +**Pulse**
641 +
642 +**extension**
643 +)))
644 +|**D**|**R**|**SD**|**LC**|**HSC**|**K**|**H**|**E**|**[D]**|**XXP**
645 +|(% rowspan="4" %)CCPID_SHT|Parameter 1|●|●|●| | | | | | |
646 +|Parameter 2|●|●|●| | | | | | |
647 +|Parameter 3|●|●|●| | | | | | |
648 +|Parameter 4|●|●|●| | | | | | |
649 +
650 +**Features**
651 +
652 +This instruction is to complete the temperature control operation, used to control the parameters of the closed-loop control system.
653 +
654 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps295.png]] is the target value of CCPID SHT control (SV).
655 +
656 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps296.png]] is the measured feedback value (PV).
657 +
658 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps297.png]] is the start address of the cache where the parameters required by CCPID_SHT operation and intermediate results are saved,
659 +
660 +occupying a total of 36 variable units of subsequent addresses. The value range is from D0 to D7946 or from R0 to R29964. 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.
661 +
662 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps298.png]] is the storage unit of the CCPID_SHT 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 +
664 +**Programming example**
665 +
666 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps299.png]]
667 +
668 +The parameter description is as follows:
669 +
670 +The target value of CCPID_SHT adjustment is stored in D1, and D0 is the closed-loop feedback value. Note that D0 and D9 must be of the same dimension, such as both 0.01MPa units, or 1℃ units, etc..
671 +
672 +A total of 36 units of D1000 to D1035 are used to store the set value and process value of CCPID_SHT operation. These values must be set item by item before the first CCPID_SHT calculation.
673 +
674 +D100 unit is used to store the calculated control output value to control the execution of the action.
675 +
676 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps300.png]]The functions and setting methods of the parameter values of each unit at the beginning are described in the table below:
677 +
678 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps301.png]] to [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps302.png]]+15 is the parameter range that can be set (parameters set when CCPID_SHT is executed).
679 +
680 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps303.png]]+2 to [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps304.png]]+31 is the parameter space used in the self-tuning process. (This space is multiplexed with the parameter space during control)
681 +
682 +
683 +The functions and setting methods of the parameter values of each unit started by [[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps305.png]] are described in the following table:
684 +
685 +|**Unit**|**Function**|**Description**
686 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps306.png]]|Sampling time (TS)|Range: 1 to 32767 (ms). It must be longer than PLC program scan cycle.
687 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps307.png]]+1|Control flag bit|(((
688 +bit0: 0＝Forward action; 1＝Reverse action
689 +
690 +bit3: 0＝one-way; 1＝two-way
691 +
692 +bit4: 0＝Self-tuning does not act; 1＝Perform self-tuning and the others are not available.
693 +
694 +bit6: 0＝Two-segment self-tuning does not act; 1＝Perform two-segment self-tuning (bit4 must set to 1)
695 +
696 +bit7: 0=Three-segment self-tuning does not act; 1＝Perform three-segment self-tuning (bit4 must set to 1)
697 +
698 +Bit15: The instruction initialization flag bit. When initialization is complete, it is set to 1.
699 +)))
700 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps308.png]]+2|Maximum rate of increase (DeltaT)|Range: 0 to 32000. Threshold of integral increment
701 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps309.png]]+3|Proportional gain (Kp)|Range: 0 to 32767. This value is magnified 256 times and the actual value is Kp/256.
702 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps310.png]]+4|Integral gain (Ki)|Range: 0 to 32767, Ki=16384Ts/Ti,Ti is integral time
703 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps311.png]]+5|Differential gain (Kd)|Range: 0 to 32767, Kd≈Td/Ts, Td is differential time
704 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps312.png]]+6|Filter constant (Co)|Range: 0 to 1023, Integral partial filtering.
705 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps313.png]]+7|Output lower limit|Recommended setting range: -2000 to 2000
706 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps314.png]]+8|Output upper limit|Recommended setting value: 2000. When the upper and lower limits are both 0, the upper limit becomes 2000 and the lower limit becomes 0.
707 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps315.png]]+9|Reserved|Reserved for internal use
708 +|┇|┇|┇
709 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps316.png]]+35|Reserved|Reserved for internal use
710 +
711 +Parameter space corresponding to the self-tuning time
712 +
713 +|**Unit**|**Function**|**Description**
714 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps317.png]]|Sampling time (TS)|Range: 1 to 32767 (ms). It must be longer than PLC program scan cycle.
715 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps318.png]]+1|Control flag bit|(((
716 +bit0: 0＝Forward action; 1＝Reverse action
717 +
718 +bit3: 0＝one-way; 1＝two-way
719 +
720 +bit4: 0＝Self-tuning does not act; 1＝Perform self-tuning and the others are not available.
721 +
722 +bit6: 0＝Two-segment self-tuning does not act; 1＝Perform two-segment self-tuning (bit4 must set to 1)
723 +
724 +bit7: 0=Three-segment self-tuning does not act; 1＝Perform three-segment self-tuning (bit4 must set to 1)
725 +
726 +Bit15: This instruction initializes the flag bit. When initialization is complete, the position is set to 1.
727 +)))
728 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps319.png]]+2|Sampling time of PID running after self-tuning|Setting range: 1 to 32767 ms(). When Ts≦0, Ts=3000
729 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps320.png]]+3|Coefficient ukp for PID parameter calculation|Setting range: 0 to 500. When ukp≦0, ukp=100; When ukp≧500, ukp=500.
730 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps321.png]]+4|Coefficient uki for PID parameter calculation|Setting range: 0 to 32767. When uki≦0, uki=50.
731 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps322.png]]+5|Coefficient ukd for PID parameter calculation|Setting range: 0 to 32767. When ukd≦0, ukd=50.
732 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps323.png]]+6|Reserved|Reserved
733 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps324.png]]+7|Output lower limit|Recommended setting range: -2000 to 2000
734 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps325.png]]+8|Output upper limit|Recommended setting value: 2000. When the upper and lower limits are both 0, the upper limit becomes 2000 and the lower limit becomes 0.
735 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps326.png]]+9|Reserved|Reserved for internal use
736 +|┇|┇|┇
737 +|[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps327.png]]+35|Reserved|Reserved for internal use
738 +
739 +**Error code**
740 +
741 +|**Error code**|**Content**
742 +|4085H|Read application instruction (S1), (S2), (S3) and (d) output results exceed the range of device.
743 +|4086H|The devices specified in write application instruction (S3) and (d) exceed the range of the corresponding device.
744 +|4DB0H|Sampling time (Ts) exceeds the range the object (Ts≦0)
745 +|4DB1H|Output filter constant (Co) exceeds the range the object (Co<0 or Co>1023)
746 +|4DB2H|Maximum rate of increase (DeltaT) exceeds the range the object (deltaT<0 or deltaT>32000)
747 +|4DB3H|Proportional gain (Kp) exceeds the range the object (Kp≦0)
748 +|4DB4H|Integral gain (Ki) exceeds the range the object (Ki≦0)
749 +|4DB5H|Differential gain (Kd) exceeds the range the object (Kd≦0)
750 +|4DB6H|Sampling time (Ts) < operation cycle
751 +
752 +**Example**
753 +
754 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps328.png]]
755 +
756 +[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps329.png]]
757 +
758 +
759 +== **LAGCDL Large time-delay temperature control instruction** ==
760 +
761 +**LAGCDL**
762 +
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  
625 625  -[LAGCDL (s1) (s2)  (s3) (d)]
... ... @@ -634,7 +634,7 @@
634 634  
635 635  **Device used**
636 636  
637 -|(% rowspan="2" %)**Instruction**|(% rowspan="2" %)**Parameter**|(% colspan="24" %)**Devices**|(((
777 +|(% 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| | | | | | | | | | | | | | | | |●|●|●| | | | | | |
786 +|**D**|**R**|**SD**|**LC**|**HSC**|**K**|**H**|**E**|**[D]**|**XXP**
787 +|(% rowspan="4" %)LAGCDL|Parameter 1|●|●|●| | | | | | |
788 +|Parameter 2|●|●|●| | | | | | |
789 +|Parameter 3|●|●|●| | | | | | |
790 +|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).
796 +[[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).
798 +[[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,
800 + ​​​​[[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.
804 +[[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]]
808 +[[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)
818 +[[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:
820 +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|(((
824 +|(% style="width:108px" %)**Unit**|(% style="width:230px" %)**Function**|**Description**
825 +|(% 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.
826 +|(% 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
839 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+2|(% style="width:230px" %)Output lower limit|Range: -32000 to 32000. Recommended setting range: -2000 or 0.
840 +|(% 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.
841 +|(% 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.
842 +|(% 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.
843 +|(% 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.
844 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+7|(% style="width:230px" %)The maximum rate of increase of the controlled system|Given by self-tuning
845 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+8|(% style="width:230px" %)The lagged time of the controlled system|Given by self-tuning. Unit: s
846 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+9|(% style="width:230px" %)The time constant of the controlled system|Given by self-tuning. Unit: s
847 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+10|(% style="width:230px" %)Ideal closed-loop time constant|Given by self-tuning. Unit: s
848 +|(% 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
849 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+12|(% style="width:230px" %)Maximum temperature difference during setting|Given by self-tuning. (for your reference)
850 +|(% 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)
851 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+14|(% style="width:230px" %)Heating time|Given by self-tuning. (for your reference)
852 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+15|(% style="width:230px" %)Setting time|Given by self-tuning. (for your reference)
853 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+16|(% rowspan="3" style="width:230px" %)Self-tuning use space|(% rowspan="3" %)Reserved for internal use
854 +|(% style="width:108px" %)┇
855 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+27
856 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+28|(% style="width:230px" %)Current temperature difference|Used during control
857 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+29|(% style="width:230px" %)Previous temperature difference|Used during control
858 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+30|(% style="width:230px" %)The 1st operation flag bit|Used during control
859 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+31|(% style="width:230px" %)Number of valid history outputs|Used during control
860 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+32|(% rowspan="3" style="width:230px" %)Historical output data|(% rowspan="3" %)Used during control
861 +|(% style="width:108px" %)┇
862 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+631
863 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+632|(% rowspan="2" style="width:230px" %)Previous sampling time stamp|(% rowspan="2" %)Reserved for internal use
864 +|(% style="width:108px" %)[[image:1758111862269-781.png]]+633
725 725  
726 726  **Error code**
727 727  
... ... @@ -736,8 +736,9 @@
736 736  
737 737  **Example**
738 738  
739 -[[image:file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml11524\wps282.png]]
740 740  
880 +(% style="text-align:center" %)
881 +[[image:企业微信截图_17581120459254.png]]
741 741  
742 742  == **PRUN/Octal digit transmission (16-bit data)** ==
743 743  
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