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PLCS PID Instructions
PLCS PID Instructions
*There is no need to manually write the instructions explained in the below table since they are automatically created by the PID Special Program.
But if you want to write your own program using the ladder diagram, please refer to the below symbols to enter the PID instructions.
Type | Instruction | Symbol | Processing Information | Condition |
PID Initialization |
PIDINIT | PIDINIT is used to check the items and to initialize the devices for PID operation. PID control data get assigned from the specified word device address "S". |
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PID Calculation |
PIDCAL | SV and PV get assigned by specified "S" address and after the PID calculation, the result gets saved in MV according to the "S" word device. |
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