Mitsubishi Electric MELSEC iQ-R Series - Auto Tuning (Step Response Method) + PID Control Program Example

APPX
Appendix 4 PID Operation Program Examples
2059
A
Auto tuning (step response method) + PID control program
example
(0) Set the set value. <50>
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>
(88) Start auto tuning.
(104) Turn on the auto tuning action status flag.
Set the sampling time for auto tuning (T
S
). <3 seconds>
Turn on the auto tuning execution bit in action setting (ACT) parameter.
Set the output value for auto tuning. <ON for 1.8 seconds>
(191) Set the sampling time (T
S
) for normal PID action. <500ms>
(224) Input the process value (PV) to the input/output data area from the A/D converter module.
(258) Initialize the PID action.