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1.2 Features
1
OVERVIEW
(9) Online module change (hot swapping)
The I/O module mounted on a main base unit with a redundant CPU module and the
module mounted on a remote I/O station can be replaced online (hot swapping) using
GX Developer. ( Section 2.4 (6))
The module can be replaced without stopping the system, when it fails.
Note that a module mounted to the main base unit cannot be replaced online when
the extension base unit is connected.
Diagram 1.10 Online Module Change (Hot Swapping) of Remote I/O Stations
MELSECNET/H Remote I/O network
Remote I/O station Remote I/O station
Control system
Standby system
Tracking cable
Failed
module
Replacement
module
Set online module
change (hot swapping)
Online module change
(hot swapping)
2)
1)
Cancel online module
change (hot swapping)
1) to 3) shows the online module
change (hot swapping) procedure.
3)
GX Developer
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