You are here:
SKU: 125736-01

Bently Nevada 125736-01 Communication Gateway I/O Module

The Bently Nevada 125736-01 is a Communication Gateway I/O Module for the 3500 Series. It provides RS232/RS422 Modbus connectivity to export machinery protection data to external DCS and PLC systems for real-time monitoring.

Product Overview

The Bently Nevada 125736-01 serves as a critical Communication Gateway I/O Module within the 3500 Series Machinery Protection System. This module acts as the primary hardware interface for the 3500/92 Communication Gateway, facilitating the high-speed transfer of status, alarm, and event data from the rack to external monitoring networks. By translating internal backplane protocols into industry-standard formats, the 125736-01 ensures that vibration and position data are accessible to Plant Asset Management (PAM) software and Control Systems.

To maintain continuous data availability, the module supports both RS232 and RS422 serial interfaces, specifically optimized for Modbus RTU protocols. Because the unit occupies a dedicated slot in the 3500 rack, it provides a localized point for data aggregation, which simplifies the integration of TSI (Turbine Supervisory Instrumentation) into broader industrial Ethernet routers or PLC networks.

Industrial facilities utilize the 125736-01 to implement predictive maintenance strategies. Since it delivers real-time diagnostic information from the machinery protection system, operators can identify mechanical anomalies before they lead to catastrophic equipment failure. The module’s ruggedized circuitry allows it to operate reliably in high-interference environments typical of oil and gas refineries and power generation plants.

Technical Specifications

  • Manufacturer: Bently Nevada (Baker Hughes)
  • Model Identification: 125736-01
  • Module Type: Communication Gateway I/O Module
  • Series Compatibility: 3500 Series Monitoring System
  • Supported Protocols: Modbus RTU (via RS232 / RS422)
  • System Role: Turbine Supervisory Instrumentation (TSI) Integration
  • Communication Interface: Serial RS232/RS422 and Ethernet-compatible routing
  • Mounting Location: Rear of the 3500 Rack (Interfacing with 3500/92)
  • Operating Voltage: 220V Certified Support
  • Dimensions: 2.4 cm x 11.1 cm x 24 cm
  • Weight: 0.42 kg