1200 PID quantity

how many PID to temp. control with S7-1200 ?

max 16 ? 

hi TechWing,

there´s no number to say. It depends on cycletime and RAM and the rest of the program.

hope this helps,

regards,

Hi,

under

https://support.industry.siemens.com/cs/ww/en/view/108210036/71720768651

you can find some information regarding CPU processing times and memory usage of PID_Temp.

Processing times are identical for all 1200 CPUs.

Available memory depends on the 1200 CPU type that you use.

Regards

 hello.

eg. use cpu1215c ,working memory is 125KB,use PID_TEMP ,it want 1.28kb ,125/1.28 =97.65,

i use 30 PID_TEMP and 4 TO motion ,the PLC performance is OK ?