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Last modified by Iris on 2025/09/17 20:56
From version 3.1
edited by Iris
on 2025/09/17 20:30
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To version 2.8
edited by Iris
on 2025/09/17 20:27
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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 -|[[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.
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.
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**
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739 -(% style="text-align:center" %)
740 -[[image:企业微信截图_17581120459254.png]]
741 741  
742 742  == **PRUN/Octal digit transmission (16-bit data)** ==
743 743  
企业微信截图_17581120459254.png
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