Vaisala DMT132 - Manual (Page 25)

Chapter 3 _______________________________________________________________ Installation
VAISALA _______________________________________________________________________ 23
Wiring
CAUTION The power supply lines on connector II are intended for use by the USB
service cable and the MI70 hand-held indicator. Do not connect other
power supplies to connector II.
Table 4 Connector Pinouts
Pin Connector I Connector II Wire color
1 VDC supply+ VDC supply+ Brown
2 Not connected RS-485 D0- White
3 GND GND Blue
4 Not connected RS-485 D1+ Black
1101-082
Figure 14 Connectors I and II
＋
−
1 = VDC+
3 = GND
mA
Vs
2 4
1 3
2 4
1 3
＋
−
1 = VDC+ Vs
3 = GND
4 = RS-485 D1+
2 = RS-485 D0-
RS-485
1101-068, 1101-069
Figure 15 Connector Pinout