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The ABB 40CN3210B is a process control communication board for ABB Fischer & Porter DCI systems. It is used to provide communication services within the distributed-control system. The ABB 40CN3210B is identified by its complete ordering code and documented hardware function. Confirm the installed system, module revision, connector arrangement and supported interface before replacement. Install the ABB 40CN3210B only in the approved compatible DCI system rack. Follow the manufacturer's system documentation for power isolation, grounding, wiring, configuration and commissioning.
This board provides communication services for the ABB Fischer & Porter DCI distributed-control system.
Match the rack position, system type, connector arrangement and network scope before replacement.
Record the existing connections, install the verified board and confirm communication status and process data flow.
Confirm the complete article number 40CN3210B, the description “Process Control Communication Board” and the installed configuration. The supplied unit marking, revision and associated interfaces should agree before replacement.
Match the documented system (ABB Fischer & Porter DCI), connection or mounting arrangement and service scope. Do not substitute by physical similarity alone.