Description

Product Description

The Bently Nevada 3500/22-01-01-01 164466-01 Transient Data Interface (TDI) functions as the central communications and data coordination module within the 3500 Machinery Protection System. It unifies rack-level configuration control with high-speed data exchange capabilities, acting as the primary bridge between monitoring hardware and System 1 diagnostic software.

This module replaces the traditional rack interface architecture while extending functionality to include advanced transient data capture, enabling detailed analysis of machine behavior during start-up, shutdown, and operational disturbances. It does not participate in the protection trip path, ensuring monitoring continuity even during module maintenance or failure.

System Architecture & Function

• Combines rack interface and communication processor roles into a single module

• Provides continuous access to both steady-state and dynamic vibration data

• Supports synchronized data acquisition across all compatible monitor modules

• Maintains rack configuration memory for seamless module replacement

• Designed as Slot 1 resident module within the 3500 rack backplane

Communication Capabilities

• Ethernet 10/100 Base-T auto-sensing interface

• USB Type-B port for local service and configuration access

• Supports System 1 software integration for real-time condition monitoring

• Enables rack-level configuration upload and download

• Compatible with Bently Nevada proprietary communication protocols and Modbus TCP via gateway configuration

Electrical Specifications

• Power consumption: approximately 10.5 W (supplied via rack backplane)

• OK relay output:

• Rated 5 A @ 24 VDC / 120 VAC

• Maximum load 120 W / 600 VA

• Gold-plated contacts with low-current capability (1 mA @ 1 VDC minimum)

• Normally energized operation with built-in arc suppression

Front Panel Interface

• OK status indicator for module health

• TX/RX LEDs for communication activity monitoring

• CONFIG OK indicator for validated configuration state

• TM (Trip Multiply) status indicator

• Rack reset pushbutton for alarm clearing

• Address switch for rack identification (1–127 range)

• Keylock switch supporting RUN and PROGRAM modes

Mechanical Data

• TDI module size: 241.3 × 24.4 × 241.8 mm

• Weight: 0.91 kg

• Installation: Front slot (TDI) + rear I/O slot within 3500 rack frame

Environmental Suitability

• Operating temperature range: -40°C to +85°C

• Designed for installation in protected industrial cabinet environments

• Suitable for continuous operation in high-reliability monitoring systems

• Ruggedized for petrochemical, power generation, and rotating equipment applications

Functional Highlights

• Integrates legacy rack interface and communication processing functions

• Captures transient waveform data during machine speed transitions

• Supports optional advanced channel enabling for extended diagnostics

• Fully compatible with all M-series monitoring modules

• Hot-swappable design for maintenance without system shutdown

Applications

• Turbomachinery vibration monitoring systems

• Gas and steam turbine condition diagnostics

• Compressor train protection and analysis

• Critical rotating asset performance monitoring

• Plant-wide machinery health management platforms

FAQ

Q1: Does this module affect protection logic if it fails?
No. The TDI operates outside the protection loop and does not influence trip logic.

Q2: Can it record startup vibration events?
Yes. It is designed specifically for transient event capture during speed changes.

Q3: Is System 1 required for full functionality?
Yes. Advanced diagnostics and waveform analysis require System 1 integration.

Specifications

• Brand: Bently Nevada

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems