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SCADA Says the PLC Is Offline, but the PLC Is Running: How to Debug the Complete Communication Chain

An in-depth industrial engineering guide covering practical solutions for scada says the plc is offline, but the plc is running: how to debug the complete communication chain

  • Wrong unit ID
  • Wrong function code
  • Wrong register

Flow Ctrl Tech Engineering: Turnkey industrial automation, PLC programming, SCADA development, HMI, fieldbuses, and IIoT architectures. Contact our engineering center at [email protected] or phone +91 91110 91005.