Introduction to Part 3500/22M-01-01-00 138607-01
The 3500/22M-01-01-00 138607-01 is a Transient Data Interface (TDI) Module for the Bently Nevada 3500 monitoring system. Its primary function is to capture and store high-speed "snapshots" of machinery data from all monitoring modules in the rack during predefined trigger events, such as alarms or trips. This transient data is crucial for diagnosing machinery faults, performing root cause analysis after a trip, and understanding dynamic machine behavior. The module works by latching data from all monitoring channels when a trigger occurs, providing a comprehensive picture of the machine's condition at that critical moment.
Parameters / Specifications
The key technical parameters for the 3500/22M-01-01-00 138607-01 module are summarized in the table below.
| Parameter | Specification | Notes / Explanation |
|---|---|---|
| Model Number | 3500/22M-01-01-00 | Bently Nevada Transient Data Interface (TDI) Module |
| Assembly/Revision Code | 138607-01 | Manufacturer's internal assembly number. |
| Product Type | Rack-Mount Monitoring Module | |
| Compatible Rack | Bently Nevada 3500 Rack | Requires a 3500 series frame for operation. |
| Module Slot Size | Single Slot | Occupies one slot in the 3500 rack. |
| Dimensions (H x W x D) | Approx. 193mm x 55mm x 200mm | Standard dimensions for a 3500 series module. |
| Weight | Approx. 0.6 kg (1.3 lbs) | |
| Power Requirement | +24 VDC (from rack backplane) | Powered by the main rack power supplies. |
| Channels | Interfaces with all monitoring channels in the 3500 rack | Captures data from vibration, position, speed, and other modules. |
| Sample Rate | Up to 20,000 samples/second | High-speed capture for detailed transient analysis. |
| Memory | Non-Volatile for data storage | Retains captured transient data even after a power cycle. |
| Communication Interface | Via 3500 Rack Communication Module (e.g., 3500/92) | Data is accessed through a dedicated communication module in the rack. |
| Front Panel Indicators | OK, Active, Alert | LED status indicators for module health and activity. |
| Operating Temperature | -20°C to +65°C | Standard for industrial monitoring hardware. |
Application Scenarios
The 3500/22M TDI Module is used for advanced diagnostics and protection of critical rotating machinery where understanding event-driven behavior is essential.
Trip and Alarm Analysis: Capturing data from the moments leading up to and following a machinery trip or alarm, which is indispensable for determining the root cause of the event.
Startup and Shutdown Monitoring: Recording transient operational data during machine startups and shutdowns to analyze behavior through critical speeds and monitor thermal effects.
Root Cause Analysis (RCA): Providing essential high-speed data for troubleshooting persistent or complex machinery problems, such as shaft cracks, rubs, or instability.
Performance Testing: Recording machine responses during specific operational tests, such as load changes or valve strokes.
Integration with Diagnostic Software: The captured data is seamlessly transferred to systems like Bently Nevada's System 1® software for in-depth analysis, long-term trending, and asset management.
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