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Electrical connection
The unit must only be connected by an electrician.
The national and international regulations for the installation of
electrical equipment must be observed.
Voltage supply to EN50178, SELV, PELV.
The device shall be supplied from an isolating source and
protected by an overcurrent device such that the limited voltage
circuit requirements in accordance with UL 508 are met.
Disconnect power before connecting the unit.
Wiring:
Core colours of ifm sockets:
1 = BN (brown), 2 = WH (white),
3 = BU (blue), 4 = BK (black)
n.c. = not connected
When the supply voltage is applied, all LEDs light and go off one after
the other.* The unit is then ready for operation.
*During this time the output signal is 20mA.
If the operating voltage is too low, the output signal passes to 0 mA.
24
1
BN
4
BK
n. c.
2
WH
3
BU
connector
view (sensor)
L +
1
2
3
L-
4
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