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Cogent DataHub OPC Redundancy Common Scenarios

[PDF version here]

No Redundancy

  • One process, one client
  • Single data path (PLC and OPC server)

3207 - NoRedundancy

Redundancy – one computer

  • One process, one client, one computer
  • Redundant data paths

3207 - OneComupter

Networked Redundancy

  • Redundant data paths
  • 2 OPC server machines, 1 client machine

3207 - NetworkedRedundancy

Multiple Client Redundancy

  • Redundant data paths
  • 2 OPC server machines, 2 client machines

3207 - MultiClient