5 Connecting to power supply
Limit level measurement
14
Before setting up Ex versions, make sure the Ex separating chamber is
plugged (above the sensor terminals). The pins for type and Ex coding
must also be inserted correctly.
5.3 Wiring plan
1 2
Fig. 5: Limit level measurement
1
Relay output
2
Power supply
3
Transistor output
Mass
4
max.
5
Probe, e.g. EL1
6
VEGATOR 631 Ex • Signal conditioning instrument
4
5
1
2
3
4
6
5 6
7 8
9
10
12
13
14
L
N
(+)
(–)
1
2
3