Omron NJ-series User Manual page 410

Procedure
 Backing Up Data with the CPU Unit Front-panel DIP Switch
Processing stage
Start command
Executing
Execution results
*1 If an SD Memory Card is not inserted, the SD PWR indicator will not light.
Processing Time
The time that is required to restore the data depends on factors such as the CPU Unit, Unit configura-
tion, and user program. Guidelines for the restoration time are given in the following table.
CPU Unit
NJ501-
NJ301-
*1 Thirty-two each of the following: R88D-KNA-ECT AC Servo Drives, GX-ID1611 Digital I/O Terminals, and GX-
OD1611 Digital I/O Terminals.
*2 Four CJ1W-SCU22 Serial Communications Units and one CJ1W-EIP21 EtherNet/IP Unit.
*3 Eight each of the following: R88D-KNA-ECT AC Servo Drives, GX-ID1611 Digital I/O Terminals, and GX-
OD1611 Digital I/O Terminals.
NJ-series CPU Unit Software User's Manual (W501)
Turn ON the power supply to the Controller with the DIP switch set as follows: 1: OFF, 2:
OFF, 3: ON, and 4: ON.
While Restoring Data
The SD PWR indicator will flash, lighting for 3 seconds and going out for 0.5 seconds. The
RUN indicator will flash, lighting for 0.5 seconds and going out for 0.5 seconds. The SD
BUSY indicator will flash irregularly.
Normal End:
The SD PWR indicator will light.
Error End:
The SD PWR indicator will flash, lighting for 0.5 seconds and going out for 0.5 seconds.
The indicator stop flashing and stay lit when the SD Memory Card power supply switch is
*1
pressed.
Connected Connected
EtherCAT CJ-series
slaves Units
*1 *2
*3
Procedure
Number of User program
user-defined memory size
POUs (Mbytes)
53
20
9 Backup Functions
Restoration time
(s)
2.36 Approx. 100
0.53 Approx. 70
9-19
9