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Command Reference: Function Blocks Section 8-5
In addition, if the enable-switch device is the type that outputs a grip signal
and release signal, the device’s Grip Input and Release Input signal status
can be monitored. The received Grip Input and Release Input signals do not
affect the status of the Output Enable signal.
Set Parameters
The timer SV must be longer than the NE1A-series Controller’s cycle time.
Number of I/O Points Setting
The Grip Input and Release Input can be enabled and disabled on the In/Out
Setting Tab Page in the function block property dialog box.
Optional Output Setting
The following outputs can also be used in programming. To enable any of
these optional outputs, select the corresponding checkbox on the Out Point
Tab Page of the function block properties dialog box.
• Grip Enable
• Release Enable
• Discrepancy Error
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 Out Point Tab
Page of the function block properties dialog box.
Error Handling and Error Resetting
Timing Charts
Normal Operation and Discrepancy Error:
Parameter Setting range Default setting
Input Type Single Channel
Dual Channel Equivalent
Dual Channel
Equivalent
Discrepancy Time 0 to 30 s in 10-ms increments
A discrepancy time check will not be performed if 0 is
set.
30 ms
Parameter Setting range Default setting
Number of inputs 2 to 4 (Optional Input Settings)
2: Grip and Release Inputs disabled.
3: Grip Input enabled.
4: Relate Input enabled.
2
Error condition Behavior for error detection Resetting the error
condition
Output
Enable
Fault
Present
Error output
Discrepancy Error OFF (safety
state)
ON Discrepancy
Error: ON
Remove the cause of the error
and then do one of the follow-
ing:
1. Make the input inactive and
then active again.
2. Change the NE1A-series
Controller's operating mode
to IDLE Mode and then back
to RUN Mode.
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