S800 IO Profibus & PC Network redundancy on AC900FR configuration
How to configure S800 IO Profibus redundancy, and PC Network (DigiVis) redundancy, on AC900FR environment?
1 st , S800 IO Profibus redundancy
Profibus cable has been arranged as attached Network connection diagram. I notice that secondary controller must be connected to the multi-drop RS485 Profibus network, otherwise “No secondary” warning appears on CBF (although Eth 2 of each AC900F controller has been enabled as redundancy link). I have enabled redundancy link feature for CI930F on CBF
Test scenario and indicators can be described as follows,
1) AC900FR redundancy has been worked.
a) 1 st PM902F; P/S indicator turn yellow, 2 nd PM902F P/S indicator turn orange
b) All CI930F; A&B indicator turn yellow
c) All S800 IO; Dual indicator turn yellow, one CI840 has been selected as Prim
2) To test 1 st controller power Fail condition, I switched off the power for Primary controller. The results,
a) 1 st PM902F turned off, 2 nd PM920F P/S indicator turn yellow
b) All CI930F; A indicator turn yellow, B indicator turn red (no redudancy link?)
c) All S800 IO; CI840 has been selected as Prim
d) On this state, communication to S800 IO fail when I remove the line A
Any idea about this condition?
2 nd , PC Network redundancy
I have a PC with 2 NIC card installed. I have not checked the detail, but I think it is regular NIC. My client require also PC network redundancy, so I have to configure redundant Freelance operation. I have checked Network configuration window, but unlike (for example) GWY type, VIS type does not have IP addr 1 and 2 (the 2 nd IP addr is disabled).
I think 2 things is required for Ethernet redundancy,
1) 2 (two) NIC card with 2 different logical IP address
2) Ethernet redundancy protocol
I have the first requirement. How can I configure the second requirement?
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