Omega FMA-1600A Series - M12 Connector Common Pinouts

2022.11.18  REV.   MASS FLOW METER OPERATING MANUAL 29
M12 Connector Common Pinouts
Pin M12 M12MD

0–5 Vdc Output Signal Optional: 1–5 or 0–10 Vdc Not Connected Optional: 4–20 mA primary output signal

Power In Static 5.12 Vdc Optional: Secondary analog output (4–20
mA, 0–5 Vdc, 1–5 Vdc, 0–10 Vdc) or basic alarm

Serial RS-232 RX signal Optional: RS-485 A Serial RS-232 RX Signal Optional: RS-485 A

Remote tare (ground to tare) Remote tare (ground to tare)

Serial RS-232 TX signal Optional: RS-485 B
Serial RS-232 TX Signal Optional: RS-485 B

Static 5.12 Vdc Optional: Secondary analog output (4–20
mA, 0–5 Vdc, 1–5 Vdc, 0–10 Vdc) or basic alarm
0–5 Vdc Output Signal Optional: 1–5 or 0–10 Vdc

Ground (common for power, digital communi-
cations, analog signals, and alarms)
Power in

Inactive Optional: 4–20 mA primary output signal Ground (common for power, digital communications, analog signals, and alarms)
Female Connector Male Connector
2

8
7
6
5
4
3
1
2
8
3
4
5
6
7