ABB AWT420 - Electrical installation; Earth bonding

12
AWT420 | UNIVERSAL 4-WIRE, DUAL-INPUT TRANSMITTER | CI/AWT420-EN REV. B
…5 Electrical installation
Digital I/O, relays and analog output
connections
Figure 10 Digital I/O, relays and analog output connections
Conductivity sensor module connections
2-electrode sensors
Sensor type RTD wiring
DRIVE +
1 2 3
DRIVE –
4
RTD 1
5
RTD 2
6
SHIELD
7
RTD 3
8



 Red   Black Green/Yellow Blue Brown  
 Red   Black Brown Green/Yellow  Blue
  Red   Blue Yellow   
  Green   Black Blue Yellow  

 Green   Black Blue/Red Yellow  
 Green   Black Yellow Red  Blue
attached cells
4-electrode sensors
Sensor type RTD wiring
DRIVE +
1
SENSE +
2
SENSE –
3
DRIVE –
4
RTD 1
5
RTD 2
6
SHIELD
7
RTD 3
8
  Green Red White Black Blue Yellow  
+
–
+
–
Relay and analog outputs
Relays (1 to 4)


Analog outputs (1 to 4)
500 Ω
max.
Digital output (open collector)
Load
Load
N/O
COM
N/C
Load




PSU