Product Details:

The Emerson 1C31181G02 is a rack-mounted fiber remote I/O personality module built for Emerson Ovation RIOMAU remote I/O master attachment unit, widely deployed in thermal power plants and heavy industrial process automation. This fiber personality module provides optical opto port to establish long distance link between Ovation main controller and distributed remote I/O slave racks. It converts electrical bus signals into optical signals and transmits data over fiber cables, effectively resisting strong electromagnetic interference in power plant sites and eliminating ground loop errors that appear in copper wiring transmission. It supports stable bidirectional data communication, sending control commands from Ovation controller down to field I/O modules and uploading sensor readings, equipment status and fault alarms back to the main DCS system. Engineers can configure communication parameters and alarm thresholds to match distributed I/O rack layout for boiler auxiliary subsystems and turbine peripheral monitoring. Front panel LED indicators display real-time communication status to help maintenance technicians quickly locate fiber break and connection faults. It continuously monitors channel health status, detecting fiber disconnection, communication timeout and slave device offline faults, and sends diagnostic alerts to the Ovation operator workstation for maintenance scheduling. Built-in optical isolation and surge suppression circuits protect DCS rack backplane and internal communication circuits. Industrial-grade optical transceiver chips and rugged reinforced PCB layout are adopted, featuring strong anti-vibration performance and stable long-term operation under environments with dust, humidity and temperature fluctuation. It uses standard rack slot plug-in structure for simple installation and fast replacement during on-site maintenance, effectively cutting down equipment maintenance downtime. The Emerson 1C31181G02 cooperates with RIOMAU master unit, termination bases, CPU modules and rack power supplies to build complete Ovation DCS process control solutions. It is widely used in boiler distributed field signal collection, turbine auxiliary remote I/O networking, chemical plant long-distance instrument interconnection and oil & gas pipeline automation, delivering dependable fiber-optic remote I/O communication and minimizing unexpected downtime of process production equipment.

Specifications

Brand: Emerson (Ovation)

Model: 1C31181G02

Product Type: Fiber Remote I/O Personality Module

Function: Electric-optical signal conversion, fiber remote I/O data transmission, channel fault self-diagnosis

Application: Ovation distributed control rack system, power station, chemical plant, oil & gas pipeline automation

Feature: Fiber optic interface, long transmission range, high noise immunity, galvanic optical isolation, rack slot mounting, matched RIOMAU master module required