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Bently Nevada 149787-01 Trendmaster DSM Signal Processing Cards
Purchase authentic Bently Nevada 149787-01 Signal Processing Cards. Brand New in original factory packaging with Original Stock and Global Shipping.
Description
Configured for multi-channel dynamic signal sampling and transducer interfacing in Trendmaster DSM systems, the Bently Nevada 149787-01 (149787-01 Signal Processing Cards) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 149787-01 |
| Brand | Bently Nevada |
| Origin | USA |
| Weight | 0.35 lbs (0.16 kg) |
| Dimensions | Standard Trendmaster DSM Card Slot |
| Operating Temp | -20 deg C to +65 deg C |
| Power Consumption | Backplane bus supplied |
| Product Type | Signal Processing Cards |
| Input Channels | 2 TIM lines per card (supports up to 508 sensor channels) |
| Sensor Compatibility | Acceleration, velocity, 4-20 mA, thermocouples (J/K), RTDs |
| Sampling Resolution | 14-bit A/D conversion with +/-2% accuracy |
| Sample Rates | Adjustable from 51.2 Hz to 25.6 kHz |
| Frequency Response | 1/3 Hz to 20 kHz (+/-3 dB); Hardware 1/3 Hz to 24 kHz (3 dB corners) |
| Waveform Capacity | Up to 8,192 samples with windowing (Hanning, flat-top) |
| Spectrum Analysis | Up to 3,200 lines with averages |
| Synchronous Processing | 32 to 128 samples per revolution, up to 36,000 CPM |
| Asynchronous Processing | Frequency spans from 20 Hz to 20 kHz |
| TIM Cable Length | Up to 1,200 meters (4,000 feet) |
| Short-Circuit Current Limit | 43 mA (maximum 48 mA) |
| Humidity Limits | Up to 95% RH (non-condensing) |
| Module Compatibility | All proTIM, flexiTIM, and TIM modules (including 1900/15, 1900/25, 1900/55) |
Gap Voltage Validation and Cross-Talk Suppression
The Bently Nevada 149787-01 interface processes dynamic vibration and static voltage metrics collected across extensive Trendmaster Interface Module (TIM) lines. Precise gap voltage validation maintains signal calibration across long cable runs up to 1,200 meters without degradation. By deploying differential signal processing and strict line termination, the architecture achieves high-level cross-talk suppression between adjacent sensor channels, preserving the spectral integrity of acceleration, velocity, and temperature inputs under high channel densities.
Frequently Asked Questions
Q: What is the maximum allowable cable distance between the 149787-01 card and connected TIM modules?
A: The card supports TIM line cable lengths up to 1,200 meters (4,000 feet) while maintaining full signal processing accuracy and short-circuit current protection.
Q: How does the module handle short-circuit faults on connected TIM field lines?
A: The card incorporates built-in current limiting set to 43 mA (maximum 48 mA), preventing field line shorts from damaging internal electronics or collapsing rack power rails.
Field Installation Guidelines
- First, align the 149787-01 card edges with the designated guide rails in the Trendmaster DSM chassis and insert until fully seated into the backplane connector.
- Next, secure the module faceplate retaining screws to establish solid chassis ground contact and mechanical retention.
- Additionally, connect the TIM line field wiring to the corresponding rear terminal connectors, observing correct line termination and shield grounding protocols.
- Finally, apply rack power, initiate system self-tests, and verify channel configuration and sampling parameters in the DSM software.
Additional information
| Weight | 0.16 kg |
|---|---|
| Dimensions | 64 × 34 × 71 mm |
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