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6.2 Redundant System Network Overview
6.2.1 CC-Link IE Controller Network or MELSECNET/H PLC to PLC network
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(b) Operation of New Standby System Network Module
The new standby system network module that has developed a communication
error is cut off from the network.
When the network communication error is cleared, the new standby system
network module is returned to the network as the normal station.
(4) Station No. Settings for the Network Module
Set the station Nos. for network modules mounted on system A and system B of a
redundant system with consecutive numbers.
[Example]
If station No. 3 is set for system A network module, system B network module can be
set as station No. 2 or station No. 4.
Diagram 6.10 Station No. settings for the network module
CC-Link IE Controller Network
Tracking cable
System A
System B
Set station No. 3
Set station No. 2 or 4
