Safety Light Curtain
159
11.1.2 Operating Displays Receiver
OSSD
RES
SIG LOW
ERROR
The following status displays can be read off in normal operation:
Display
Explanation
1
OSSD
LED 1 lit,
LED 2 off
OSSD
The OSSDs are in OFF state
LED 1 off,
LED 2 lit
OSSD
The OSSDs are in ON state
2
RES
LED off
RES
No acknowledgment required
LED blinks
RES
Restart inhibit set, OSSDs off, no penetra-
tion detected, no acknowledgment signal
detected.
3
SIG LOW
LED off
SIG LOW
All beams are detected according to the
selected operating mode, no beam has a
weak signal. With OSSDs OFF, SIG LOW is
also always OFF.
LED lit
SIG LOW
All beams are detected according to the
selected operating mode, but at least one
beam has a weak signal.
4
ERROR
LED off
ERROR
No active errors
LED lit
ERROR
Active error(s)
Segment display
The following information is shown in the segment display:
• Signal strength for 30 s after switch-on (see
),
• SYNC item following successful synchronization,
• Display of the active inputs during muting,
• Display of muting messages (see
,