Blowers

How would i setup a pid loop to control two blowers based on sp? RSL500

With fear and loathing.

The fundamental setup for any feedback loop is fundamentally the same. You need a meaaured variable - probably flow in your case. You feed this to the PID, and the control output goes to your control device - a VFD, outlet damper, inlet throttling valve, whatever.

There are lots of kinds of blowers and lots of control devices. Without more specific info you can't get more specific help.
 

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