Overview
Manuals
Port Mapping
Interface Review
Startup Review
Features:
- Optical ESB Bus Repeater Master Module for the documented Yokogawa CENTUM VP.
- Primary Function: Optical ESB Bus Repeater Master Module.
- Hardware Form: rack-mounted control, I/O or bus module.
ANT421-50 belongs to the Yokogawa CENTUM VP and performs the documented optical esb bus repeater master module role in the Yokogawa CENTUM VP process-control system. The retained technical evidence records Primary Function: Optical ESB Bus Repeater Master Module; Hardware Form: rack-mounted control, I/O or bus module; Installation Match: ANT421-50 receiving hardware. The full marking, receiving hardware, connectors or terminals, configuration dependencies and installed position must be matched before substitution.
For installation, retain the Yokogawa CENTUM VP receiving position, connector or terminal arrangement and configuration record. After power restoration, review diagnostics and test the affected operating path before process release.
The ANT421-50 Optical ESB Bus Repeater Master Module is supplied only after the complete hardware identity, condition and current OEM lifecycle status have been confirmed.
ANT421-50 Yokogawa product documentation and selection resources.
Important Notice: The PDF documents ANT421-50 or its verified Yokogawa product family. Confirm the complete suffix code and installed-system requirements before replacement.
Port Mapping: ANT421-50 performs the optical esb bus repeater master module function within the Yokogawa CENTUM VP. The retained documentation identifies primary function as Optical ESB Bus Repeater Master Module; apply that value only to this documented execution.
Match the complete label, hardware form and functional position before transferring any setting, cable or termination from the removed unit.
Interface Review: approve ANT421-50 only for the documented Yokogawa CENTUM VP process-control system. Compare rack, carrier or panel generation, connector keying, terminal numbering and all paired assemblies with the installation drawings.
Photograph both sides and the installed position before removal so revision markings, jumpers, addressing and channel allocation can be reconstructed accurately.
Startup Review: isolate the equipment, remove stored energy and inspect the receiving hardware before installing ANT421-50.
Restore power in the approved sequence, review status and diagnostics, then test every affected control, signal, relay, communication, protection or monitoring path against the commissioning record.
