BLG 4A
Safety Light Curtain
Operating States and Diagnostic Messages
5
14
english
The display and indicator LEDs can be used to evaluate all the operating conditions of the
system and reasons for a machine stop.
Emitter
Operating status
Status indicator
Meaning/Actions
Normal operation
Emitter unit is sending, emitter
working properly.
Functional
impairments
FU
Internal device error
►
Perform a power reset.
Fb
Optical error
►
Perform a power reset.
►
Optionally exchange position of
emitter and receiver.
Incorrect voltage
►
Check the connections for
correct operating voltage.
Receiver
Operating status
Status indicator
Meaning/Actions
Normal operation
Good reception, receiver working
properly (OSSD outputs active)
Possible signal levels:
– Minimum (1 bar)
– Medium (2 bars)
– Maximum (3 bars)
Protection field interrupted, receiver
working properly (OSSD outputs
turned off).
5.3 Diagnostic
messages
BLG 4A-…-
014/030-…
