Omron F3SG-SR Series, User Manual

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352
Chapter
8
Troubleshooting
F3SG-SR
User’s Manual
Appendix
8-1-3-5. PSDI Sequence Error Indication
The following table is applied only when the PSDI function is being enabled.
Notations
...Single Break
...Double Break
...Common
SEQ indicator
Error
condition
Cause and measures
Blinking: Once
Power supply may have been turned ON with PSDI input being OFF.
Check the condition of the light curtains and PSDI input wiring.
Power supply may have been turned ON with the light curtain blocked.
Check the condition of the light curtains and PSDI input wiring.
Power supply may have been turned ON with RESET input being OFF.
Check the condition of the light curtains and RESET input wiring.
PSDI input may have been turned OFF before RESET input was turned OFF.
Check the PSDI input wiring.
The light curtain may have been blocked before RESET input was turned ON.
Check the condition of the light curtains and RESET input wiring.
The PSDI input may have turned OFF while the RESET input is OFF.
Check the condition of the light curtains and PSDI input wiring.
The light curtain may have been blocked before RESET input was turned ON.
Check the condition of the light curtains and RESET input wiring.
Blinking: Twice
After RESET input , the light curtain may not be blocked longer than T2 and the
PSDI input may have turned OFF.
Check the condition of the light curtains and RESET input wiring.
The PSDI input may have turned OFF with the light curtain blocked.
Check the condition of the light curtains and PSDI input wiring.
PSDI input may have turned OFF before the light curtain blocked twice.
Check the condition of the light curtains and PSDI input wiring.
Blinking: Three times
The light curtain was blocked before the PSDI input turned OFF.
Check the condition of the light curtains and PSDI input wiring.
The light curtain was blocked while the PSDI input turned OFF.
Check the condition of the light curtains and PSDI input wiring.
Blinking: Four times
PSDI input may have turned OFF during the period from when the PSDI state is
cancelled until the light curtain blocked.
Check the condition of the light curtains and PSDI input wiring.
The PSDI input may have turned OFF with the light curtain blocked.
Check the condition of the light curtains and PSDI input wiring.
It may have taken T4 (= 30 s) or longer for PSDI input to be turned OFF after the light
curtain blocked.
Check the condition of the light curtains and PSDI input wiring.
It may have taken T6 (= 30 s) or longer for PSDI input to be turned OFF after the light
curtain blocked.
Check the condition of the light curtains and PSDI input wiring.
The PSDI input may have turned OFF again before the light curtain blocked.
Check the condition of the light curtains and PSDI input wiring.
It may have taken T6 (= 30 s) or longer for PSDI input to be turned OFF after the light
curtain blocked twice.
Check the condition of the light curtains and PSDI input wiring.
PSDI input may have turned OFF before the light curtain blocked again.
Check the light curtain status and PSDI input wiring.