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1 FUNCTIONS
1.7 Redundant System Function
Precautions
■Tracking
• Of all refresh target devices of link devices (RY, RWw), tracking needs to be set for the devices in the own station send
range.
• Tracking cannot be set for link direct devices.
• Do not set tracking for the link special relay areas (SB0020 to SB01FF), which are turned on/off by the system, or the link
special register areas (SW0020 to SW01FF), where data is stored by the system.
For details on tracking, refer to the following.
MELSEC iQ-R CPU Module User's Manual (Application)
■Operation after return
When the RJ71GF11-T2 is disconnected due to a communication error, switched from the control system to the standby
system through system switching, and returns, system switching does not occur and it returns as the standby system.
■Cyclic transmission
Depending on the error status of the control system CPU module, the cyclic data is not sent from the control system
RJ71GF11-T2.
■System status of the slave station in a redundant line configuration
Depending on the error status of the control system CPU module, the slave station connected to the control system network
operates in the standby system.
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