How to wire the built in analog input of the M221 to a Dwyer 626 pressure transmitter?
Somachine Basic, wiring, analog input
The Dwyer 626 is a 3wire connection which will require it's own power. The - (negative of M221) goes to the common and + (positive of M221) goes the white. See below for more information.
Dwyer pressure transmitter:
The receiver would be the M221 in this case.