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The advantage is
The scan of the ethernet I/O is much faster while compared with the RS-485 I-7000 or I-87K I/O.
If one Ethernet cable is broken or damaged, the other one will still handle the Ethernet I/O and exchange data with the other redundant controller.
PC / HMI / SCADA can connect to this redundant system with only one IP of the I-7188EX-MTCP.
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