Omron CS1D DUPLEX SYSTEM - 10-2009 Operation Manual page 470

Replacing a CPU Unit
434
5. Change the USE/NO USE switch for the new CPU Unit to USE.
Duplex Unit
Operating
New CPU Unit
Note If the PLC Setup is not set for automatic recovery to Duplex Mode
(the default setting disables automatic recovery), then the program
and parameter data will not be transferred to the new CPU Unit
even if the USE/NO USE switch is set to USE. Operation will con-
tinue in Simplex Mode and operation will stop if an error occurs in
the CPU Unit that is currently running.
6. Use the following procedure if the PLC Setup has not been changed to en-
able automatic recovery to Duplex Mode.
a) Confirm that the switch is set for duplex operation.
DPL SW
Turn OFF for
Duplex operation.
b) After setting the USE/NO USE switch to USE, press the initialization
button.
INIT.
Note If initialization is not started when the initialization button is
pressed, press it again.
c) When the initialization button is pressed, the DPL STATUS and CPU
STATUS indicators will flash green and the program and parameter
data will be transferred. When these indicators stop flashing and light
green, the transfer has been completed and operation has restarted in
Duplex Mode.
DPL01 CS
DPL STATUS
ACTIVE
R
CPU STATUS
ACTIVE
L
CPU STATUS
If automatic recovery to Duplex Mode has been set in the PLC Setup and the
mode has been set to Duplex Mode on the Duplex Unit, the program and
parameter data will be transferred automatically and operation will restart in
Duplex Mode when the USE/NO USE switch is set to USE.
Switch for right-side CPU Unit
on the Duplex Unit
R I G H T C P U
U S E
N O U S E
ON OFF
SPL DPL
ACT. ACT.
LEFT
RIGHT
ON
The DPL STATUS and CPU STATUS indicators
will flash green and the program and parameter
data will be transferred. When the indicators stop
flashing, operation has restarted in Duplex Mode.
Section 11-3
Set to USE.