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Phone: +86 16626708626Description
3. Key Technical Specifications
| Parameter | Value |
|---|---|
| Channels | Supports tachometer inputs (typically 2 per module) |
| Input Types | Proximity probes, magnetic pickups |
| Terminations | External termination design |
| Compatibility | 3500/50 Tachometer Module |
| Mounting | Pairs with 3500 rack modules |
| Operating Temperature | -30 to +65°C (rack environment) |
| Power | Supplied via rack backplane |
4. Product Introduction
The Bently Nevada 133434-01 is an I/O module with external terminations designed for use with the 3500/50 Tachometer Module in the 3500 Machinery Protection System. It accepts signals from proximity probes or magnetic pickups for accurate speed and zero-speed monitoring.
This module is a go-to for turbine, compressor, and pump applications where precise rotational speed data drives alarms and shutdown logic. The external termination option simplifies field wiring. Match the I/O module to your specific 3500/50 configuration and verify probe types before installation.
- 133434-01
- 133434-01
5. Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No speed reading | Probe or wiring fault | High | Measure signal at terminals | Check gap, wiring continuity, and probe health |
| Erratic speed | Noise or loose termination | High | Inspect external termination block | Secure connections and shielding |
| Module not communicating | Rack or firmware issue | Medium | Check 3500 event list | Verify module seating and firmware |
| False zero-speed alarm | Threshold or configuration | Medium | Review setpoint in software | Adjust thresholds based on actual machine speed |
| High noise on signal | Grounding problem | Low | Verify single-point grounding | Correct shield grounding per manual |
If diagnostics point to the I/O module, contact technical support with probe details, wiring diagrams, and diagnostic logs.
6. Frequently Asked Questions (FAQ)
Is this unit new original stock or refurbished? This is New Original / New Surplus from authorized channels. It ships in original packaging with full traceability. We perform inbound inspection and functional testing prior to shipment.
What transducers work with the 133434-01? It is designed for Bently Nevada proximity probes and magnetic pickups connected to the 3500/50 Tachometer Module.
Do I need external termination blocks? Yes, this variant uses external terminations for easier field access and maintenance compared to internal versions.
Is it hot-swappable? Yes, in line with 3500 series procedures. Replace while the system is running when paired with redundant setups where possible.
How long is the warranty? We provide a 1-year warranty on tested functional units. Extended options available on request.
Will this serve as a direct replacement? Yes for matching 3500/50 applications. Confirm your existing I/O type (internal vs external) and tachometer module firmware.
What comes in the box and do you provide test reports? Standard delivery includes the I/O module. We supply our QC test report with signal simulation results. Test videos and photos available upon request.
