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I have to control 20 heaters in a Siemens S7-300 PLC. I use a thermocouple for each heater and a pulse modulated output to control the heaters.
This is working fine, except the PID parameters themselves.
I can set the PID parameters manually by looking at a step response and doing a lot of calculations, but I think it can go much easier letting the PLC find out what parameters are needed
Has anyone a PLC function or just the theorie to autotune those PID parameters so I can build a PLC function myself.
This is working fine, except the PID parameters themselves.
I can set the PID parameters manually by looking at a step response and doing a lot of calculations, but I think it can go much easier letting the PLC find out what parameters are needed
Has anyone a PLC function or just the theorie to autotune those PID parameters so I can build a PLC function myself.