Internal wiring - WXT530

WXT530 Series User Guide

Document code
M211840EN
Revision
F
Language
English (United States)
Product
WXT530
Document type
User guide

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 1. RS-232 wiring
Internal wiring External wiring
Pin # 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
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
Table 2. RS-485 wiring
Internal wiring External wiring
Pin # Internal connector pin Internal connector pin function for RS-485 Internal wiring for RS-485 M12 pin External wiring for RS-485
1 VIN+ Vin + (Operating) Brown 2 Brown
2 VIN- Vin- (Operating GND) Red 8 Red
3 RX- Data- Loop with Blue
4 RX+ Data+ Loop with Gray
5 TX- Data- Blue 7 Blue
6 TX+ Data+ Gray 5 Gray
7 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
Table 3. SDI-12 wiring
Internal wiring External wiring
Pin # Internal connector pin Internal connector pin function for SDI-12 Internal wiring for SDI-12 M12 pin External wiring for SDI-12
1 VIN+ Vin+ (Operating) Brown 2 Brown
2 VIN- Vin- (Operating GND) Red 8 Red
3 RX-
4 RX+
5 TX- Data in/out (Tx) Blue 7 Blue
6 TX+ Gray 5 Gray
7 RXD Data in/out (Rx) 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
Table 4. RS-422 wiring
Internal wiring External wiring
Pin # Internal connector pin Internal connector pin function for RS-422 Internal wiring for RS-422 M12 pin External wiring for RS-422
1 VIN+ Vin+ (Operating) Brown 2 Brown
2 VIN- Vin- (Operating GND) Red 8 Red
3 RX- Data in (RX-) Blue 7 Blue
4 RX+ Data in (RX+) Gray 5 Gray
5 TX- Data out (TX-) White 1 White
6 TX+ Data out (TX+) Green 3 Green
7 RXD
8 SGND
9 HTG+ V+ (Heating) Yellow 4 Yellow
10 HTG- Vh- (Heating) Pink 6 Pink
Shield
Table 5. mA output wiring
Internal wiring External wiring
Pin # Internal connector pin Internal connector pin function for mA output Internal wiring for mA output M12 pin External wiring for mA output
1 VIN+ Vin+ (operating) Brown 2 Brown
2 VIN- Vin- (operating GND) Red 8 Red
NC NC
NC NC
Iout1 Iout1 Iout1 Blue 7 Blue
GND GND GND Gray 5 Gray
Iout2 Iout2 Iout2 White 1 White
GND GND GND Green 3 Green
9 HTG+ Vh+ (heating) Yellow 4 Yellow
10 HTG- Vh- (heating) Pink 6 Pink
Shield
Figure 1. Internal wiring for RS-232, SDI-12, and RS-485