Memory Copy Using The Engineering Tool - Mitsubishi Electric MELSEC iQ-R Series User Manual

Execution procedure
1.
When the redundant system is in separate mode, switch the operation mode to the backup mode. ( Page 371
Operation Mode Change)
2.
Power off and on or reset the standby system. The system executes the memory copy. During the memory copy, the
MEMORY COPY LED of the redundant function module flashes (in 200ms intervals) in both systems.
Control system
3.
The standby system is automatically reset and restarted, and the memory copy is completed. The MEMORY COPY LED
turns off in both systems.
Control system

Memory copy using the engineering tool

The execution procedure for the memory copy using the engineering tool is described below.
Execution procedure
1.
Connect the engineering tool to the CPU module of the control system.
2.
Open the "Redundant Operation" window of the engineering tool.
[Online]  [Redundant PLC Operation]  [Redundant Operation]
3.
Select "Memory Copy" in the "Redundant Operation" window, and click the [Execute] button. During the memory copy,
the MEMORY COPY LED of the redundant function module flashes (in 200ms intervals) in both systems.
Control system
4.
When the memory copy is completed, the MEMORY COPY LED turns off in the control system and turns on in the
standby system.
Control system
5.
Power off and on or reset the standby system. The MEMORY COPY LED turns off in the standby system.
Control system
26 REDUNDANT FUNCTION
408
26.4 Memory Copy from Control System to Standby System
Standby system
Standby system
Standby system
Standby system
Standby system