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Last modified by Iris on 2025/09/17 20:56
From version 2.8
edited by Iris
on 2025/09/17 20:27
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To version 4.1
edited by Iris
on 2025/09/17 20:31
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156 156  |4086H|When the device specified in the write application instruction (s3) and (d) exceeds the range of the corresponding device.
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 -|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)
160 160  |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)
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356 356  [[image:11_html_6dcdd8fc88703a47.jpg]] +22 to [[image:11_html_6dcdd8fc88703a47.jpg]] +51 is the parameter space used in the auto-tuning process.
357 357  
358 358  |**Unit**|**Features**|**Setting instructions**|**Supplement**
359 -| |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.
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.
360 360  |+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  
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736 736  **Example**
737 737  
738 738  
739 +(% style="text-align:center" %)
740 +[[image:企业微信截图_17581120459254.png]]
739 739  
740 740  == **PRUN/Octal digit transmission (16-bit data)** ==
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企业微信截图_17581120459254.png
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