Mitsubishi Electric MELSEC iQ-R Series, Programming Manual

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APPX
Appendix 4 PID Operation Program Examples
2061
A
Auto tuning (step response method) program example
(0) Set the set value. <50

>
Set the output value for auto tuning. <ON for 1.8 seconds>
Set the sampling time (T
S
). <3 seconds>
Turn on the auto tuning execution bit in action setting (ACT) parameter.
Set the input filter constant (

).
Set the derivative gain (K
D
). <0%>
Set the output upper limit value. <ON for 2 seconds>
Set the output lower limit value. <ON for 0 seconds>
Start auto tuning.
(180) Perform PID action.
(191) Input the process value (PV) to the input/output data area from the A/D converter module.
(225) Initialize the PID action.