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NROI01 is an ABB remote i/o termination unit used with the documented Bailey Infi 90 platform. Selection must match the complete product identity, hardware execution, connected assemblies and approved system configuration.
Before replacing NROI01, compare the supplied nameplate, revision, connectors or terminals and installed position with the original equipment record. After installation, review diagnostics and complete the approved functional checks before service.
ABB NROI01 documentation and reference links.
Important Notice: Every linked document must identify the listed model or its documented family. Confirm the complete order code, hardware revision and installed-system requirements before replacement.
NROI01 is documented for the controller-side remote I/O link. The unit terminates the remote i/o connection between the controller side and distributed hardware.
Apply NROI01 only with the NROI01 field-termination arrangement; confirm remote I/O module, link media, module cable, terminal plan and grounding.
Record the installed arrangement before service, then verify link continuity, termination, communications and remote I/O status after replacement.
NROI01 is documented as a remote I/O termination unit at the controller-side remote I/O link. The unit terminates the remote i/o connection between the controller side and distributed hardware. Source: ABB Harmony Rack I/O documentation.
Before installing NROI01, confirm remote I/O module, link media, module cable, terminal plan and grounding. After installation, verify link continuity, termination, communications and remote I/O status before releasing the equipment.