Omron NE1A-SCPU01 - 2006 Operation Manual page 179

Command Reference: Function Blocks
Error Handling and Error Resetting
condition
Discrepancy error at
pair 1
Discrepancy error at
pair 2
Function test error
Safety gate test was not
performed normally
between Function Test
signals.
Synchronization error
Timing Charts
Input 1
Function
Test Sig.
Function
Test Req.
Output
Enable
Function
Test Error
Fault
Present
144
Error
Output
Enable
OFF
(safety
state)
If a discrepancy error occurs in one of the pairs when set to Dual Channel
Note
Equivalent (2 pairs) or Dual Channel Complementary (2 pairs), to reset the
error make input pairs 1 and 2 both inactive and then active.
Single Channel, Function Test Set to Enabled
Idle to RUN
Behavior for error detection
Fault Error output
Present
Discrepancy Error Pair 1: ON
Discrepancy Error Pair 2: ON
Function Test Error: ON
ON
Synchronization Test Error:
ON
Section 6-5
Resetting the
error condition
1. Function Test Dis-
abled
Remove the cause of
the error and then
make the inputs in
active and then active
again (See note.), or
change the NE1A-
series Controller's
operating mode to
IDLE Mode and then
back to RUN Mode.
2. Function Test Re-
quired
If Function Test
Required is active:
Remove the cause of
the error and then
make the inputs
active, inactive, and
then active again
(i.e., perform the
safety gate test).
If Function Test
Required is inactive:
Remove the cause of
the error and then
make the inputs in
active and then active
again.