Product Introduction: 3500/25 126398-01
The 3500/25 126398-01 is a specific hardware version of the Transient Data Interface (TDI) Module for the Bently Nevada 3500 Machinery Monitoring System. This module acts as a specialized communication gateway, designed to capture and transmit high-resolution, time-synchronized "snapshots" of machinery data during transient operational events. These events include startups, shutdowns, trips, and other significant changes in machine state. By providing detailed waveform and orbital data to external diagnostic software, it is an indispensable tool for root cause analysis and advanced machinery diagnostics, helping to identify issues like rubs, thermal bow, and instability.
Technical Parameters
The key technical specifications for the 3500/25 126398-01 module are summarized in the table below.
| Parameter | Specification |
|---|---|
| Part Number | 3500/25 126398-01 |
| System | Bently Nevada 3500 |
| Module Type | Transient Data Interface (TDI) |
| Dimensions (H x W x D) | 190 mm x 55 mm x 120 mm (Standard 3500 Rack Slot) |
| Weight | 0.48 kg |
| Primary Function | Captures and transmits transient (event-based) waveform data |
| Data Channels | Capable of handling data from all monitor modules in the rack |
| Data Types | Dynamic waveforms, orbits, and 1X/2X vector data from vibration and position channels |
| Communication Interface | RS-485 / RS-232 (configurable) |
| Protocol | Bently Nevada's proprietary protocol for transient data |
| Power Supply | Powered by the 3500 Rack; +24 VDC from the rack's power supply |
| Operating Temperature | -20°C to +65°C |
Application Scenarios
The 3500/25 TDI module is used for advanced machinery diagnostics and data analysis, primarily in critical rotating equipment applications:
Turbine Startup/Shutdown Analysis:
Captures slow-roll data, startup curves, and coast-down data for steam and gas turbines, helping to identify rubs, thermal bow, and other transient-related issues.
Trip and Event Analysis:
Triggers and stores high-resolution data from all vibration, position, and process channels immediately before, during, and after a machinery trip or alarm event to determine the root cause.
Predictive Maintenance & Engineering Analysis:
Provides detailed waveform and orbital data to maintenance engineers for diagnosing complex problems like subsynchronous vibration, instability, and passing through critical speeds.
Commissioning of New Machinery:
Used to collect baseline transient data during the initial startup of new equipment, which serves as a benchmark for future performance and troubleshooting.
Integration with Diagnostic Software:
Streams transient data to specialized diagnostic software (e.g., System 1*) for long-term storage, trend analysis, and advanced diagnostic modeling.
Global direct procurement guarantee
All products are purchased directly from overseas original manufacturers or authorized channels, 100% guaranteed genuine quality, sufficient spot inventory, and comprehensive model coverage
Quality Commitment
Each product has been tested by our technicians, providing 12-month long warranty, worry-free after-sales
Flexible procurement plan
- Bulk order enjoys Friendship discount (2 pieces or more can be applied)
- Long-term cooperative customers can apply for priority supply
Full service support
7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
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On the basis of the same quality, we provide:
- More competitive price system
- Faster logistics response
- More complete technical support (free product technical documentation)
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