Mitsubishi QJ71LP21 Reference Manual page 207

7 APPLICATION FUNCTIONS
7.11.4 Access function by specifying the control system or standby system
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This function is for making access to the QnPRHCPU by specifying the control system
or standby system using GX Devloper or other method. By using this function, access
to the control system is enabled even after system switching occurs due to error.
Control system
Power QnPRHCPU QJ71
supply LP21
System A
Tracking cable
Link cable
QnPRHCPU can be accessed by specifying either the control system or standby system
The settings on the request source (GX Developer) are as follows.
Specify the control system, standby system, system A, or system B on the connection
setup screen in the online menu.
REMARK
For the details of GX Developer operation, refer to the operation manual of GX
Developer.
Standby system
QnPRHCPU QJ71
Power
supply LP21
System B
MELSEC-Q
QJ72 QJ71
Power
supply LP25 E71
GX Developer
Specify the control system,
standby system, system A,
or system B.
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