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The 3500/22M (146031-01) is a core communication module within the 3500 Machinery Protection System developed by Bently Nevada (a Baker Hughes business).
As a Transient Data Interface (TDI), this module serves as the communication bridge between the 3500 monitoring rack and System 1 Condition Monitoring and Diagnostic software.
Unlike basic interface modules, the 146031-01 is engineered for high-resolution dynamic data processing. It captures both steady-state and transient waveforms, enabling detailed machinery diagnostics during startups, shutdowns, coast-downs, and alarm events. This functionality is essential for advanced analysis of rotating equipment behavior during critical phase transitions.
| Parameter | Specification |
|---|---|
| Ordering Number | 3500/22M (146031-01) |
| Primary Interface | 10Base-T / 100Base-TX Ethernet (Copper, RJ45) |
| Configuration Port | USB Type-B (front panel) |
| Maximum Power Consumption | 10.5 W |
| Data Sampling | Synchronous and asynchronous waveform capture |
| System Placement | Rack slot adjacent to power supply modules |
| Operating Temperature | -30°C to +65°C (-22°F to +149°F) |
| Dimensions | 13.0 cm × 1.9 cm × 19.1 cm |
| Weight | 2.0 kg |
The 146031-01 performs dual roles within the 3500 rack architecture:
Rack Management: Continuously monitors the health and status of installed monitor modules
Dynamic Data Buffering: Captures and transmits high-speed waveform data to host systems
When integrated with System 1 software, the module enables advanced diagnostic visualization tools such as:
Bode plots
Polar plots
Cascade diagrams
Orbit analysis
This copper Ethernet version is optimized for short-to-medium distance installations within control rooms or facility LAN environments, offering a reliable and cost-effective communication solution.
Q1: What is the difference between the 146031-01 and the 146031-02?
A: The 146031-01 uses standard RJ45 copper Ethernet (10/100Base-TX), while the 146031-02 variant features fiber-optic (100Base-FX) connectivity. The -01 model is preferred for standard local cabinet or facility network installations, whereas the -02 is better suited for long-distance runs or high-EMI environments.
Q2: Can the 146031-01 store data internally?
A: The TDI buffers data for transmission but is not designed for long-term historical storage. Permanent archiving, trending, and analysis require connection to a dedicated server running System 1 software.