Vaisala WXT536 - Internal Wiring

Chapter 5 _______________________________________________ Wiring and Power Management
VAISALA_______________________________________________________________________ 61
Internal Wiring
By default, the 8-pin M12 connector is wired for:
- RS-232
- RS-485
- SDI-12
- RS-422
- mA output
NOTE
Ground the external wiring shield. The shield is not connected inside
WXT.
Table 7 RS-232 Wiring
Internal Wiring External Wiring
Pin
Number
Internal
Connector Pin
Internal Connector Pin
function for RS-232
Internal Wiring
for RS-232
M12
Pin
External
Wiring for
RS-232
1 VIN+ Vin+ (Operating) Brown 2 Brown
2 VIN- Vin- (Operating GND) Red 8 Red
3RX-
4RX+
5 TX- Data out (TxD) Blue 7 Blue
6TX+ Gray 5Gray
7 RXD Data in (RxD) White 1 White
8 SGND Communication ground (GND) Green 3 Green
9 HTG+ Vh+ (Heating) Yellow 4 Yellow
10 HTG- Vh- (Heating) Pink 6 Pink
Shield