
OMH551 OMH553 OMH555
Photoelectric distance sensor
10
7 Operating and display elements
2
3
4
5
6
7
8
1
MIN MAX
I U
1:
1x LED yellow
Switching status OUT1
2:
1x LED green
Status LED
3:
1x LED white
[MIN] = start point of the measuring range
4:
1x LED white
[MAX] = end point of the measuring range
5:
1x LED white
[I] = analogue output (4...20 mA)
6:
1x LED white
[U] = analogue output (0...30 V)
7:
Programming button [●]
Set button
8:
Programming button [▼]
Navigation button
7.1 LED states
LED behaviour
Description
Action
OUT 1
Status LED
Status LED is green
Device is connected to the voltage sup-
ply and ready for operation
Status LED is green,
OUT 1 is yellow
Device OK, switching output OUT 1 ac-
tive
Status LED is green,
OUT 2 is yellow
Device OK, switching output OUT 2 ac-
tive
Status LED flashing red
(1Hz), OUT 1 flashing
yellow (4 Hz)
Short circuit OUT 1
Status LED flashing red
(1Hz), OUT 2 flashing
yellow (4 Hz)
Short circuit OUT 2
Status LED flashing red
(1 Hz)
Error (correctable by the operator)
Status LED is red
Serious error
u
Contact ifm support. Contact at
Status LED is green,
OUT1 and OUT2 (8 Hz)
flashing
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