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 p
rovide power) is OK.
Table 4 Connector Pinouts
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 ... 2
8 VDC
RS-485 +
RS-485 -
GN
D
+
-
1
2
3
4
2
4
1
3
Commentaires sur ces manuels