Resetting The Controller From The Sysmac Studio - Omron NX-PA Series User Manual

Momentary Power Interruption with Continued Operation
Execution of the user program will continue if a momentary power interruption is less than the following
times.
Power supply
type
AC power supply
DC power supply
Voltage drop
Processing After Power Interruption Is Confirmed
After a power interruption is confirmed, the CPU Unit performs the following processing and then stops.
I/O refresh
Processing SD Memory Card access in
progress
Transferring user program
(including online editing)
User program execution
Saving event log
4-1-3

Resetting the Controller from the Sysmac Studio

You can reset the CPU Unit from the Sysmac Studio.
A reset from the Sysmac Studio performs the same operation as cycling the power supply of the Power
Supply Unit.
Resetting is possible, however, only when the CPU Unit is in PROGRAM mode.
Confirm the following status before resetting the CPU Unit.
• Check the status of output loads.
• Make sure that SD Memory Card access is not in progress.
NX-series CPU Unit Hardware User's Manual (W535)
Momentary power interruption time
with continued operation
30.5 ms max.
5.0 ms max.
Momentary power interruption time
from voltage drop until recovery
AC: 85 V max.
DC: 20.4 V max.
Executing user program
Power OFF detection time
AC: 30.5 to 45.5 ms
DC: 5.0 to 20.5 ms
Item
Load outputs are turned OFF. Tag data links stop.
Any writing is interrupted, files are closed, and the Card is
unmounted.
Interrupted.
As a result, an error will occur the next time that the power is turned
ON. The Controller will not operate.
User program execution is aborted even during execution of an
instruction.
The time that a power interruption occurs and the cause (primary
power interruption of Power Supply Unit) of the interruption are
recorded.
4 Installation and Wiring
Voltage recovery
The CPU Unit will not interrupt
execution of user program
Description
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