
Photoelectric distance sensor
OMH551 OMH553 OMH555
9
6 Electrical connection
The device must be connected by a qualified electrician.
u
Observe the national and international regulations for the installation of electrical equipment.
u
Ensure voltage supply according to SELV, PELV.
OMHxxx: cULus, Supply Class 2
u
Disconnect power.
u
Connect the device as follows:
L
1 BN
2 GY
4 WH
5 BK
3 BU
OUT2
OUT1/IO-Link
IN1
L+
4
2
1
3
5
1:
L+
2:
OUT2: analogue output
3:
L-
4:
OUT1: switching output or IO-Link
5:
IN1: laser on / off
6.1 PNP/NPN selection
Pins 2 and 4 can be switched between PNP and NPN logic via IO-Link.
The setting cannot be made for individual pins, but applies to all pins.
PNP
NPN
L
1 BN
2 GY
4 WH
5 BK
3 BU
L+
L
1 BN
2 GY
4 WH
5 BK
3 BU
L+
1:
L+
2:
OUT2: analogue output
3:
L-
4:
OUT1: switching output or IO-Link
5:
IN1: laser on / off