Otasuke Pro! > FAQ > GP-Pro EX > Differences of PID Instructions

Compatibility

Differences of PID Instructions

A control block variable of the PID instruction will be converted to a PID variable. The name of array will be replaced, but its function will not change.

Converting PID Instruction

If you set a control block variable with the PID instruction on GP-PRO/PB3 C-Package...

It will be registered as a PID variable in the [Edit Symbol Variables] settings on GP-Pro EX.

If you used an integer array, which was assigned to a control block of the PID instruction, in other logic parts, a PID variable will be assigned with no change after conversion.

PID variables corresponding to element numbers of GP-PRO/PB3 C-Package are as follows.

GP-PRO/PB3 C-Package's arrays (element number)	GP-Pro EX's PID variables	Description
Temperature[0].X[1]	Temperature.Q	PID processing complete flag
Temperature[0].X[2]	Temperature.PF	PID processing invalidity range flag
Temperature[0].X[3]	Temperature.TO	Exceeding maximum scaled value
Temperature[0].X[4]	Temperature.UO	Exceeding minimum scaled value
Temperature[0].X[5]	Temperature.IF	Integral range processing flag
Temperature[1]	Temperature.KP	Constant proportion
Temperature[2]	Temperature.TR	Integral time
Temperature[3]	Temperature.TD	Differential time
Temperature[4]	Temperature.PA	PID processing invalidity range
Temperature[5]	Temperature.BA	Bias (offset)
Temperature[6]	Temperature.ST	Sampling cycle

NOTE

*	If you have specified a bit other than the 1st to 5th bit of the 0th element of a PID variable, the variable assigned to the operand will be converted to "?."

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