Vaisala Drycap DMT152 Guía de usuario Pagina 21

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Chapter 4 ________________________________________________________________ Installation
VAISALA ________________________________________________________________________ 19
Wiring
Pin
Connector I
Connector II
Wire color
1
VDC supply+
VDC supply+
Brown
2
Signal Ch 1+
RS-485 - / B
White
3
GND
GND
Blue
4
Signal Ch 2+ / LED
RS-485 + / A
Black
0707-035
Figure 6 Connectors I and II
0707-036
Figure 7 Connector Pinout
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 seri
al interface
cable or DM70 handheld dewpoint meter (which also provide operation
power) is OK.
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