Good day sir, 

Any one can help me using PID instruction to operate 12 heaters,

i am using the PID configuration only give me 8 PID configuration

there are other ways to operate this 12 Heater using PID control method

Thank you

Hi moataz,

which PLC do you have? Which software are you using?

Best regards,

Noodles

PLC S7-200 CPU 224 

I am using STEP 7 MicroWIN V4.0 SP9

Thanks