63
SIG LOW/
DIAG4
DIAG3
EDM/DIAG2
SYNC/DIAG1
ERROR
RES
OSSD OFF
OSSD ON
• OSSD is activated.
• Receiver and emitter are synchronized.
• All beams are detected.
• Safety mode or start-up and restart inhibit is active.
• Contactor monitoring is active.
EDM/DIAG2
Contactor monitoring is inactive.
EDM/DIAG2
• Ideally aligned SIG LOW/DIAG4
Weak signal
SIG LOW/DIAG4
SIG LOW/
DIAG4
DIAG3
EDM/DIAG2
SYNC/DIAG1
ERROR
RES
OSSD OFF
OSSD ON
• OSSD is off
• Receiver and emitter are synchronized.
• Start-up and restart inhibit is active.
• Acknowledgment prompt
• Contactor monitoring is active
EDM/DIAG2
Contactor monitoring is inactive
EDM/DIAG2
• Ideally aligned SIG LOW/DIAG4
Weak signal
SIG LOW/DIAG4
SIG LOW/
DIAG4
DIAG3
EDM/DIAG2
SYNC/DIAG1
ERROR
RES
OSSD OFF
OSSD ON
• OSSD is off
• Beam interruption through the entire safety field is required from the cable
connection to other end.
• Contactor monitoring is active
EDM/DIAG2
Contactor monitoring is inactive
EDM/DIAG2
• Ideally aligned SIG LOW/DIAG4
Weak signal
SIG LOW/DIAG4
• Receiver and emitter are synchronized.
SIG LOW/DIAG1
Receiver and emitter are not synchronized.
SIG LOW/DIAG1
When the maximum range of the sensors is exploited, “SIG LOW/DIAG4” may appear at the display even if
they are ideally aligned.
Summary of Contents for SEMG412
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