Ph And Conductivity Connections; Ph/Orp/Pion Sensor Module Connections - ABB AWT420 Commissioning Instructions

AW T4 2 0 | U N I V E R S A L 4 - W I R E , D U A L- I N P U T T R A N S M I T T E R | C I/A W T4 2 0 - E N R E V. B

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
2867 2-lead
TB5 2-lead
2-lead
AP1xx
3-lead
2-lead*
AP3xx
3-lead
APS1xx
2-lead*
APS5xx
3-lead
APS7xx
* Cut and remove grey wire
Standard sensors with diagnostic functions
NOTICE
Ensure sensor diagnostics are On when using standard
sensors with diagnostic functions.
Sensor type RTD wiring
TBX5 2-lead
2-lead*
AP2xx
3-lead
* Cut and remove grey wire
SENSE GUARD
1 2
Clear –
Blue –
Clear –
Clear –
Blue –
Blue –
Blue –
Blue –
SENSE GUARD
1 2
Blue Yellow Black
Clear Red Blue
Clear Red Blue
REF S .GND RTD 1
3 4
– Black
– Black
– Black
– Black
– Black
– Black
– Black
– Black
REF S .GND
3 4
Green
Green/Yellow
Green/Yellow
RTD 2 SHIELD
5 6
Red White
Red White
Red
White
Red
White Red
Red White
Red White
Red White Yellow
Red White Yellow
RTD 1 RTD 2 SHIELD
5 6
Red White Dark green
Red White
Red White
13
RTD 3
7 8
– –
– –
– –
– Red
– –
– Grey
–
Grey
RTD 3
7 8
–
– –
– Grey