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Bently 3500/22 288055-01 Transient Data Interface (TDI) Module

The 3500/22 Transient Data Interface (TDI) is the communication and data-collection gateway of the Bently Nevada 3500 machinery protection and condition monitoring system.

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Bently 3500/22 288055-01

Bently Nevada 3500/22 288055-01 – Overview

Model: 3500/22 (Part No. 288055-01)
Type: Transient Data Interface (TDI) Module
Manufacturer: Bently Nevada

Product Description

The 3500/22 Transient Data Interface (TDI) is the communication and data-collection gateway of the Bently Nevada 3500 machinery protection and condition monitoring system. It connects the rack to host software for configuration, diagnostics, and advanced machinery analysis.

This module combines the functions of a Rack Interface Module (RIM) and a communication processor, enabling continuous collection and transmission of steady-state and transient waveform data via Ethernet.

Key Functions

  • Interface between the 3500 monitoring rack and System 1 condition monitoring software
  • Continuous acquisition of static and dynamic waveform data
  • High-speed bidirectional communication with host computers
  • Central rack communication and configuration point
  • Supports transient data capture for diagnostics and predictive maintenance

Every 3500 rack requires one TDI module, typically installed in Slot 1 next to the power supplies.

Main Features

  • Combines RIM + communication processor functionality
  • USB port for local configuration
  • Ethernet connectivity for network monitoring
  • Triggered transient data capture (time, event, threshold)
  • Not part of the critical protection path (does not affect protection operation)

Technical Specifications (Typical)

  • Ethernet: 10/100Base-T or 100Base-FX fiber support
  • Data transfer rate: up to 100 Mbps
  • Power consumption: ~10.5 W
  • Transient data storage: ~16 MB
  • USB front panel port included (key difference vs 138607-01 version)

Applications

Used in rotating machinery monitoring across industries:

  • Power generation
  • Oil & gas
  • Petrochemical plants
  • Steel and cement plants
  • Marine and heavy industry

Typical machines monitored:

  • Turbines
  • Compressors
  • Pumps
  • Motors
  • Generators

Difference vs 3500/22 138607-01

Both are TDIs with the same functionality.
Key difference:

  • 288055-01: Includes USB cable
  • 138607-01: Base version (USB cable not included)

Summary

The Bently Nevada 3500/22 288055-01 is the core communication and data gateway of the 3500 system. It enables high-speed data collection, remote diagnostics, and integration with machinery management software—making it essential for predictive maintenance and asset reliability programs.

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