Vaisala WXT530 Series - Communication Setting Commands

Screw terminal mA Output
2 VIN- Vin- (operating)
1 VIN+ Vin+ (operating)
The terms "Default wiring" and "RS-422 wiring" refer to the internal wiring options.
5.3.2 Internal Wiring
By default, the 8-pin M12 connector is wired for:
•
RS-
232
• RS-485
• SDI-12
• RS-422
• mA output
Ground the external wiring shield. The shield is not connected inside WXT.
Table 9 RS-232 Wiring
Internal Wiring External Wiring
Pin # Internal
Connec
tor 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
3 RX-
4 RX+
5 TX- Data out (TxD) Blue 7 Blue
6 TX+ Gray 5 Gray
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
Chapter 5 – Wiring and Power Management
61
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