Table 2 pH and ORP sensor wiring – sensors with fixed cables
Terminal
8-pin (J5)
1
2
3
4
5
6
7
8
2-pin (J4)
1
2
Sensor shield wires – Connect all sensor
ground/shield wires to the controller enclosure
grounding screws.
Table 3 pH and ORP sensor wiring – sensors with removable cables
Terminal
8-pin (J5)
1
2
3
4
5
6
7
8
2-pin (J4)
1
2
1
If the combination sensor does not have a blue wire (or yellow wire for 6-plug sensors) for
solution ground, install a jumper wire between pins 1 and 2 on the 8-pin (J5) connector.
2
If an electrode with a ground solution is used, connect the wire to pin 2 on J5 and do not make
a jumper. For the VP-Plug, use the blue wire.
Description
Differential
sensor
Reference
Green
Ground solution
Clear
–V supply
White
—
—
—
—
Temp
Yellow
Temp/Circuit low
Black
—
—
Active
Red
—
—
Clear with a
black band
Description
Reference
Ground solution
–V supply
—
—
Temp
Temp/–Circuit low
—
Active
—
Sensor with an attached cable
Combination
sensor
Metal braid
Blue
(or yellow for 6-plug
1
sensors)
—
—
—
Red
(or green for 6-plug
sensors)
White
—
Clear
—
Cable type (connector)
Top68 (with temp)
Black shield
Jumper 1–2 on J5
Jumper 1–2 on J5
—
—
—
(Red)
(White)
—
Black signal
Transparent
—
8350
8350.3/4/5
Black
(coax shield)
(coax shield)
Jumper 1–2 on J5
Jumper 1–2 on J5
—
—
—
Red
White
—
Transparent
Transparent
(coax core)
(coax core)
—
—
SMEK
VP-Plug
Black
Red
Jumper 1–2 on J5
—
—
—
—
—
—
Green
Green
White
White
—
—
Black/transparent
—
—
English 13
Black
—
—
—
Red
White
—
Blue
2