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

Voltage drop
*1. The power OFF detection time is 2 to 4 ms.
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
5-1-3

Resetting the Controller from the Sysmac Studio

You can reset the CPU Unit from the Sysmac Studio.
A reset from the Sysmac Studio follows the same operation as cycling the power supply of the Unit
power.
Resetting is possible, however, only when the CPU Unit is in PROGRAM mode.
Confirm the following status before the CPU Unit Reset.
• Check the status of output loads.
• Make sure that SD Memory Card access is not in progress.
NX-series NX502 CPU Unit Hardware User's Manual (W629)
Momentary power interruption time
from voltage drop until recovery
DC: 20.4 V max.
Executing user program
Power OFF detection time
Item
I/O refresh stops, and all outputs are turned OFF. Tag data links
via the EtherNet/IP stop.
Any writing is interrupted, files are closed, and the Card is un-
mounted.
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 in-
struction.
The time that a power interruption occurs and the cause (primary
power interruption) of the interruption are recorded.
Voltage recovery
The CPU Unit will not interrupt
execution of user program
*1
Description
5 Installation and Wiring
5
5-5