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Command Reference: Function Blocks Section 6-5
Optional Output Settings
The following outputs can also be used in programming. To enable any of
these optional outputs, increase the number of outputs in the In/Out Setting
Tab Page of the function block properties dialog box.
• Override Status
• Synchronization Error
• Sequence Error
• Discrepancy Error (AOPD)
• Discrepancy Error (Override)
Fault Present Output Setting
A Fault Present output can also be used in programming.
To enable this output, select the Fault Present checkbox on the In/Out Setting
Tab Page of the function block properties dialog box.
Maximum Number of I/O for a Muting Function Block
Error Handling and Error Resetting
Note (1) Detected only when Sequential Muting (both directions) is set.
(2) If more than one error occurs, errors will be indicated at all error outputs.
(3) If the light curtain goes from this error status to inactive (no light), the Out-
put Enable signal will turn OFF and the Fault Present signal will turn ON.
If the light curtain becomes active (light incident) or the override function
AOPD Input1 (NC)
AOPD Input2 (NC)
Override Input1 (NC)
Override Input2 (NC)
Muting Signal11
Muting Signal12
Muting Signal21
Muting Signal22
Output Enable
Muting Status
Override Status
Sequence Error
Synchronization Error
Discrepancy Error (AOPD)
Discrepancy Error (Override)
Fault Present
Error condition Behavior for error detection Resetting the
error condition
Output
Enable
Fault
Present
Error output
Synchronization Error
(Between Muting Signal
11 and Muting Signal 12)
(Between Muting Signal
21 and Muting Signal 22)
(See note 1.)
ON
(See note 3.)
OFF (See note
3.)
Synchronization
Error: ON
Reset when muting is
applied again or when the
NE1A-series Controller's oper-
ating mode is changed to IDLE
Mode and then back to RUN
Mode.
Sequence Error Sequence Error:
ON
Discrepancy Error
(AOPD)
OFF(Safety
state)
ON
Discrepancy Error
(AOPD): ON
Both light curtain input
signals change from inactive to
active status or the NE1A-
series Controller's operating
mode changes to IDLE Mode
and then back to RUN Mode.
Discrepancy Error (Over-
ride)
Discrepancy
Error (Override):
ON
Both Override input signals
change from inactive to
active status or the NE1A-
series Controller's operating
mode changes to IDLE Mode
and then back to RUN Mode.
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