Single and dual input analyzers for pH/Redox (ORP)
AX416, AX436, AX460, AX466 & AX468 6Installation
54 IM/AX4PH Rev. P
6.6 pH Sensor Systems Connections
6.6.1 Standard ph Systems Connection – 2867, AP100, AP300, 7650/60, TB5, Non-ABB
When connecting one of these pH systems to the AX400 transmitter, ensure the differential input switch for the relevant sensor
is
OFF.
Ter m in al B lo ck B Function 2867 AP100 AP300
Sensor B Sensor A Color Color Color
B1 B9
Temperature Compensator (if fitted) Common –
see also Note 1below
Not Used Red White
B2 B10 Temperature Compensator (if fitted) 3
rd
Lead Not Used Red Grey
B3 B11 Temperature Compensator (if fitted) Not Used White Red
B4 B12 Not Used Not Used Not Used Not Used
B5 B13 Not Used Not Used Not Used Not Used
B6 B14 Reference Electrode Black Black Black
B7 B15 Screen/Shield (if fitted) Not Used Not Used Not Used
B8 B16 Glass/Metal Electrode Clear Clear Blue
Table 6.1 Standard ph Systems Connection – 2867, AP100, AP300
Ter m in al B lo ck B Function *7650/60 TB5 Non-ABB
Sensor B Sensor A Color Color
B1 B9
Temperature Compensator (if fitted) Common –
see also Note 1below
Red White
Connect as per
function –
refer to
(non-ABB)
sensor system
manual for cable
colors
B2 B10 Temperature Compensator (if fitted) 3
rd
Lead Red Link to White
B3 B11 Temperature Compensator (if fitted) White Red
B4 B12 Not Used Not Used Not Used
B5 B13 Not Used Not Used Not Used
B6 B14 Reference Electrode Black Black
B7 B15 Screen/Shield (if fitted) Yellow Not Used
B8 B16 Glass/Metal Electrode Clear Blue
*See Note 2
Table 6.2 Standard ph Systems Connection – 7650/60, TB5, Non-ABB
Note.
1. If the sensor is fitted with a 2-wire PT100, Pt1000 or 3K Balco temperature compensator, link terminals B9 and B10 (and
B1 and B2 if dual input analyzer).
2. Discard large green wire as not required with this transmitter.
3. Redox systems are not temperature compensated so do not have temperature sensors. To remove temperature error
messages, set Temperature Sensor to NONE. If a temperature sensor is used for a separate temperature display, set
Temperature Sensor to the correct type – see Section 5.3, page 30.
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