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Last modified by Iris on 2025/09/17 20:56
From version 4.1
edited by Iris
on 2025/09/17 20:31
Change comment: There is no comment for this version
To version 4.2
edited by Iris
on 2025/09/17 20:40
Change comment: There is no comment for this version

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... ... @@ -157,7 +157,7 @@
157 157  |4D80H|The sampling time is out of range.​(T,,S,,≤0)
158 158  |4D81H|Input filter constant (α) is out of range (α​<0 or α>1023)
159 159  |4D82H|The maximum ascent rate (△//T//) is out of range.(△//T//​<0 or △//T//​>1023)
160 -|4D86H|The sampling time (Ts) is less than the operation cycle.​​​​​​​​​​​(T//s//<Scanning cycle)
160 +|4D86H|The sampling time (Ts) is less than the operation cycle.​​​​(T//s//<Scanning cycle)
161 161  |4D87H|The proportional gain (K//p//) is out of range.​​​​(K//p//<1 or K//p//>32000)​​​​​​​
162 162  |4D88H|The integral time constant (Ti) is out of range.(K//i​//<0 or K//i//>3600)
163 163  |4D89H|The differential time constant (T//d//) is out of range.(K//d//<0 or K//d//>1000)
... ... @@ -357,7 +357,7 @@
357 357  
358 358  |**Unit**|**Features**|**Setting instructions**|**Supplement**
359 359  |[[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 -|+1|Action direction (ACT)|(((
360 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+1|Action direction (ACT)|(((
361 361  bit0: 0=positive action; 1=reverse action bit2: auto-tuning transition zone switch. 0=not open;1=open
362 362  
363 363  bit3: 0=unidirection; 1=bidirection
... ... @@ -378,12 +378,12 @@
378 378  
379 379  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
380 380  )))
381 -|+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 -|+3|Proportional gain(Kp)|Set range: 0 to 30,000[%]|Overrun error 4D87H
383 -|+4|Integration time (Ti)|Ti is integration time, and the range is 0 to 3,600 (s)|Overrun error 4D88H
384 -|+5|Differential time (Td)|Td is derivative time, and the range is 0 to 1,000 (s)|Overrun error 4D89H
385 -|+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 -|+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|(((
387 387  Range: -10,000 to 10,000.
388 388  
389 389  Recommended setting range: -2,000 or 0 (when S3+1 bit3=0, the lower limit = 0;
... ... @@ -398,7 +398,7 @@
398 398  
399 399  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.
400 400  )))
401 -|+8|Output upper limit|(((
401 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+8|Output upper limit|(((
402 402  Value range: -10,000 to 10,000.
403 403  
404 404  Recommended setting value is 2,000
... ... @@ -411,7 +411,7 @@
411 411  
412 412  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.
413 413  )))
414 -|+9|Mode setting|(((
414 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+9|Mode setting|(((
415 415  0: Overshoot allowed
416 416  
417 417  1: Slight overshoot or no overshoot
... ... @@ -422,36 +422,36 @@
422 422  
423 423  1: Slight overshoot or no overshoot mode (ukd = 300)
424 424  )))
425 -|+10|(((
425 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+10|(((
426 426  Scale factor
427 427  
428 428  (ukp)
429 429  )))|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.
430 -|+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 -|+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 -|+13|Maximum ascent rate (DeltaT)|The range is 0 to 32,000, which is the threshold of integral increment|Overrun error 4D82H
433 -|+14|Filtering (C0)|The range is 0 to 1,023, integral part filtering|Overrun error 4D81H
434 -|+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" %)
435 435  |┆
436 -|+21
437 -|+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" %)
438 438  |┆
439 -|+51
439 +|[[image:11_html_6dcdd8fc88703a47.jpg]]+51
440 440  
441 441  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.
442 442  
443 -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
444 444  
445 445  Formula: **T,,now,,=(100-α)×T,,α,,+α×T,,old,,**
446 446  
447 447  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)
448 448  
449 -3) +6 work range: Twork(example: 170 represents 17℃)
449 +3)[[image:11_html_6dcdd8fc88703a47.jpg]] +6 work range: Twork(example: 170 represents 17℃)
450 450  
451 451  (% style="text-align:center" %)
452 452  [[image:企业微信截图_17581105436817.png||height="197" width="652"]]
453 453  
454 -4) +9 working mode:
454 +4) [[image:11_html_6dcdd8fc88703a47.jpg]]+9 working mode:
455 455  
456 456  0: Working mode that allows overshoot
457 457  
... ... @@ -459,7 +459,7 @@
459 459  
460 460  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.
461 461  
462 -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℃)
463 463  
464 464  The transition zone description in forward control:
465 465