Vaisala HMP4 - Connector Pinout

Connector Pinout
1
5
3
4
2
Figure 11 M12/5 Male Connector Pinout
Pin # Function Notes Wire Colors in Vaisala
Cables
1 Power supply Supply voltage:
• HMP7: 18 ... 30 VDC
• Other models: 15 ... 30 VDC
Typical current 10 mA, max. 500 mA.
Brown
2 RS-485 - White
3 Power GND and
RS-485 common
Blue
4 RS-485 + Black
5 Not connected Gray
RS-485 host
DC power supply
RS-485 +
RS-485 -
RS-485 common
+
-
Pin #1
Power supply
Pin #2
RS-485 -
Pin #3
Power GND
RS-485 common
Pin #4
RS-485 +
Pin #5
Probe
Figure 12 RS-485 Wiring
Recommended maximum length of the RS-485 line is 30 m (98 ft).
17
ENGLISH