ABB AWT420 - Ph and Conductivity Connections; Ph;Orp;Pion Sensor Module Connections

AWT420 | UNIVERSAL 4-WIRE, DUAL-INPUT TRANSMITTER | CI/AWT420-EN REV. B
13
pH and conductivity connections
pH/ORP/pIon sensor module connections
NOTICE
ORP (Redox) and Antimony pH sensors do not feature
temperature compensation therefore do not have
temperature sensors or related wiring.
Standard sensors without diagnostic functions
NOTICE
Ensure sensor diagnostics are Off when using standard
sensors without diagnostic functions.
Sensor type RTD wiring
SENSE
1
GUARD
2
REF
3
S.GND
4
RTD 1
5
RTD 2
6
SHIELD
7
RTD 3
8
  Clear   Black Red White  
  Blue   Black Red White  

 Clear   Black
Red
Red
White  
 Clear   Black White Red  Red

 Blue   Black Red White  
 Blue   Black Red White  Grey



 Blue   Black Red White Yellow 
 Blue   Black Red White Yellow Grey

Standard sensors with diagnostic functions
NOTICE
Ensure sensor diagnostics are On when using standard
sensors with diagnostic functions.
Sensor type RTD wiring
SENSE
1
GUARD
2
REF
3
S.GND
4
RTD 1
5
RTD 2
6
SHIELD
7
RTD 3
8
  Blue Yellow Black Green Red White  

 Clear Red Blue Green/Yellow Red White  
 Clear Red Blue Green/Yellow Red White  Grey
