Omron G9SP Series

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Safety Device Function Blocks Section 3-5
Fault Present Output
Setting
Fault Present output can also be used in programming.
To enable this output, select the Fault Present check box on the In/Out Setting
Tab Page of the function block properties dialog box.
Truth Table Truth Table for User Mode Monitoring
0: OFF, 1: ON
Error Handling and Error Resetting
Note to the first input to turn ON will turn ON for 2 s. If more than one input turns
ON in the same G9SP-series Controller cycle, then all outputs will turn OFF.
Timing Chart
Inputs Outputs
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
100000001 0 0 0 0 0 0 0
010000000 1 0 0 0 0 0 0
001000000 0 1 0 0 0 0 0
000100000 0 0 1 0 0 0 0
000010000 0 0 0 1 0 0 0
000001000 0 0 0 0 1 0 0
000000100 0 0 0 0 0 1 0
000000010 0 0 0 0 0 0 1
Error condition Behavior for error detection Resetting the
error condition
Output Fault Present
More than one input was
ON for more than 2 s
OFF
(safety state)
ON
Remove the cause of
the error. (Correct
system so that only 1
contact is ON.)
All inputs were OFF for
more than 2 s
Input1
Output2
Input2
Fault
Present
Output1
Input3
Output3
IDLE to RUN
2 s
2 s
2 s