Omron NE1A-SCPU01 - 07-2009 Operation Manual page 209

Command Reference: Function Blocks
Error Handling and Error Resetting
More than one input was
ON for more than 2 s
All inputs were OFF for
more than 2 s
Note
Timing Chart
Input1
Input2
Input3
Output1
Output2
Output3
Fault
Present
Error condition
(safety state)
If more than one input is ON, the output corresponding to the first input to turn
ON will turn ON for 2 s. If more than one input turns ON in the same NE1A-
series Controller cycle, then all outputs will turn OFF.
Idle to RUN 2 s
Behavior for error detection
Output Fault Present
OFF
ON
2 s
Section 8-5
Resetting the
error condition
Remove the cause
of the error. (Cor-
rect system so that
only 1 contact is
ON.)
2 s
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