ABB VFD PID Loop Programming

Join Date
Nov 2008
Location
Indianapolis
Posts
152
I am using a 4-20mA signal from an RTD to an ABB ACH 550 drive. I want to know if anyone has ever set up a PID loop on one of these units before. I have not. I need to maintain a temperature of 75°F for the water that is being cooled by the fan, which is being controlled by this drive.


I need to know what parameters I would adjust to make this happen.


My sensor is an ACI RTD Freezer Transmitter with a range of -200°C to +200°C.


Thanks.
 

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