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MELSEC-Q

7 APPLICATION FUNCTIONS

7.2 Remote I/O Station System Monitor

With the remote I/O network, the intelligent function module mounted to a remote I/O
station can be monitored on the system monitor of GX Developer.
By using this, it is possible to easily diagnose the intelligent function module on the
remote I/O station. For details on operating the system monitor, please refer to the
operating manual for GX Developer.

There are 3 methods for performing system monitoring.

(1) Connecting GX Developer directly to the remote I/O module

Select "Remote I/O" in connection destination PLC type for GX Developer.

QCPU

Remote master station

Remote I/ O station

GX Developer

Intelligent function module

System monitor

Remote I/ O station

(2) Connecting GX Developer to the CPU module and perform

monitoring via remote master station

Select "Remote I/O" in connection destination PLC type for GX Developer and
specify the remote I/O station to be the target in the "Transfer setup" of the
"online" menu.

System monitor

QCPU

Remote master station

Remote I/ O station

GX Developer

Intelligent function module

Remote I/ O station

(3) Connecting GX Developer to another remote I/O module and

monitor via the remote I/O network

Select "Remote I/O" in connection destination PLC type for GX Developer and
specify the remote I/O station to be the target in the transfer setup of the online
menu.