AB Micrologix 1100 programming question

DWaters

Member
Join Date
Oct 2013
Location
Tennessee
Posts
1
What would th eprogramming ladder logic need to look like for a variable speed motor control circuit that has a hand off auto switch. Auto speed is controlled by a 0-10v input to the plc from a level controller(the pump will maintain a desired level). If the speed get s too slow, the pump needs to shut off. Hand speed is controlled by a 0-10v input from a cabinet mounted 10k turn pot.
 
You have to use two analog inputs 0-10 VDC, one for manual other for auto, one analog output or you can use message to pass speed info into the drive.
When switch in manual use one analog input when in manual use the other pass this info to the drive.
 

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