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red_button.gif (982 bytes) M2 Series Electrical Diagrams

M22    2-wire loop-powered
Note: 1 and 3 (+) are connected
M23    3-wire
Current outputs Voltage outputs
Base Plate (all models)

Model Terminal
M22 1/3 + 10..35VDC
2 - Temperature 
3 - Humidity
Model Terminal
M23 1 + 15..35VDC / 24VAC
2 - Ground (common)
3 + Temperature
4 +  Humidity