Wiring, Figure 11, Connectors i and ii – Vaisala DPT146 User Manual
Page 26: Figure 12, Connector pinout, Table 4, Connector pinouts, Caution
User's Guide _______________________________________________________________________
24 ___________________________________________________________________ M211372EN-D
Wiring
CAUTION
The power supply lines are internally connected. You can use either one
of them, but do not connect more than one supply voltage in permanent
installations. Temporary simultaneous use with the USB service cable or
DM70 handheld dewpoint meter (which also provide power) is OK.
Table 4
Connector Pinouts
Pin Connector I
Connector II
Wire color
1
VDC supply+
VDC supply+
Brown
2
Ch1+
RS-485 D0-
White
3
GND
GND
Blue
4
Ch2+
RS-485 D1+
Black
1109-034
Figure 11
Connectors I and II
1109-035, 1109-036
Figure 12
Connector Pinout
＋
－
1 = VDC+
Vs
3 = GND
4 = CH2+
2 = CH1+
V/mA
V/mA
15 ... 28 VDC (V out)
21 ... 28 VDC (mA out)
Vs =
2
4
1
3
15 ... 28 VDC
RS-485 +
RS-485 -
GND
+
-
1
2
3
4
2
4
1
3