Omron F3SJ-A series User Manual page 40

System Configuration and Functions
•Failure of safety output circuit
•Broken or short-circuited cable
Error indication patterns and causes of errors p.112
How to reset lockout: See p.23 for basic system and p.44 for muting system
For information about lockout, see p.125
Waveform of Safety Outputs
When the F3SJ is receiving light, the safety outputs cyclically turn OFF as shown below to test the
output circuit. When this OFF signal is fed back, the output circuit is diagnosed as normal. If the output
signal does not include an OFF pulse signal, the receiver diagnoses a failure in the output circuit or
wiring, and it enters lockout state. (See the table below.)
F3SJ-A
22
User's Manual
ON
Safety output 1,2
OFF
OFF signal
About 15ms
About 65 s
About 140 s