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10.7 Connection of sensors
10.7.1 Amperometric sensors
Connection via 2-wire cable 0.5 mm
2
with single
screen. Maximum length (maximum distance
between the sensor disc and gas warning controller):
100 metres.
Cables for amperometric gas sensors
Fig. 11
Connection of amperometric sensor
The wire colours refer to Grundfos cable.
Sensor 1:
•
Connect the brown wire (+) to terminal 49.
•
Connect the white wire (-) to terminal 45.
•
Connect the screen to terminal 47.
Sensor 2:
•
Connect the brown wire (+) to terminal 50.
•
Connect the white wire (-) to terminal 46.
•
Connect the screen to terminal 48.
Caution
Connect the screening to screen ground
on one side only!
Description
Product number
Connection cable for
amperometric gas sensors,
10 metres
96725670
(321-130/10)
Connection cable for
amperometric gas sensors,
20 metres
96725672
(321-130/20)
Connection cable for
amperometric gas sensors,
50 metres
96725673
(321-130/50)
TM
0
3
7
030
4
506
Assignment
Terminal
Wire
Sensor 1
-
45
white
47
screen
+
49
brown
Sensor 2
-
46
white
48
screen
+
50
brown
45 47
46 48
49
50
sensor 1
sensor 2
