Electrical Connections; Sensor Connections - ABB AP300 User Manual

3 Electrical Connections

3.1 Sensor Connections

All sensors are supplied with either an integral cable in the
following lengths:
— 3 m (10 ft)
— 6 m (20 ft)
— 9 m (30 ft)
or with a detachable cable and fitted junction box.
Tagged Sensor Terminations for Direct Connection to Transmitter
pH with temperature compensation
Black
* Remove the grey wire if used with instruments having a
2-wire temperature compensator input, e.g. TB8x
pH without temperature compensation
Redox
Fig. 3.1 Cable Terminations
12 IM/AP300 Rev. J | AP300 | Combination pH/Redox (ORP) sensors
Blue Glass Electrode
Black Reference Electrode
Red
2-wire
Temperature
White
Compensation
Grey
Blue
Glass Electrode
Reference Electrode
Black
Blue
Metal Electrode
Reference Electrode
Black
Terminations are shown in Fig. 3.1.
Each version allows for tagged sensor terminations enabling
connection to a wide variety of process pH/redox (ORP)
analyzers. Alternatively, the sensor can be supplied with
detachable BNC and Molex connectors for pH/redox (ORP)
and temperature compensation (if applicable).
BNC/T.C. Sensor Terminations for Junction
Box Connection to Extension Cable
pH with temperature compensation
3-wire
Temperature
Compensation
pH and Redox (ORP) without
temperature compensation
Male BNC
Molex
Temperature
Compensator
Connector
Male BNC