製品紹介
The Bently Nevada 3500/25 125800-01 + 149369-01 Enhanced Keyphasor Module is a critical component / the 3500 Machinery Protection System, specifically designed to deliver high-precision rotational phase reference signals for use in advanced vibration analysis and dynamic balancing.
This enhanced module represents a significant improvement over the standard Keyphasor configurations by /fering expanded signal processing capabilities, dual-channel functionality, and greater flexibility in sensor input types. The 3500/25 Enhanced Keyphasor Module provides Keyphasor signals that enable the system to determine the rotational position / a shaft, which is essential in diagnostics like Bode plots, orbit plots, and shaft centerline monitoring.
It plays a vital role in high-speed rotating machinery applications where real-time accuracy is critical—such as turbines, compressors, and generators—especially in industries like oil & gas, power generation, and petrochemical processing. The module’s performance, stability, and configurability make it an industry-standard solution for phase-based machine analysis.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Enhanced Keyphasor Module |
| モデル Number | 3500/25 |
| 型番s | 125800-01 (Module) + 149369-01 (I/O Module) |
| Function | Provides Keyphasor signals for phase reference |
| System Compatibility | Bently Nevada 3500 Series |
| Input Channels | Dual-channel (independent or redundant configuration) |
| Input Signal Types | Proximity probes (5mm, 8mm), Magnetic pickups |
| Signal 状態ing | Filtering and shaping / TTL-compatible pulse inputs |
| Output Format | TTL-compatible square wave pulses |
| Typical Pulse Width | 10 µs to 500 µs |
| Frequency Range | Up to 20 kHz |
| Response Time | <1 ms |
| Power Supply | Via 3500 rack backplane |
| Operating Temperature | -30°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Tolerance | 5%–95% non-condensing |
| Mounting Method | 3500 Series rack slot |
| Dimensions (W x H x D) | 119.9 x 24.4 x 256.5 mm |
| 重量 | 0.34 kg |
| Certifications | CE, UL, ATEX, CSA, RoHS compliant |
| Housing Material | High-strength thermoplastic and aluminum chassis |
| Channel Redundancy | Yes, Channel 2 can act as backup to Channel 1 |
Applications
The Enhanced Keyphasor Module is engineered for precision and resilience across a range / demanding industries and equipment types. Its key applications include:
-
Gas and Steam Turbines
Phase-based vibration monitoring, imbalance detection, and rotor position tracking. -
Compressors and Pumps
Used to generate reliable timing signals for rotor dynamics analysis and condition monitoring. -
Generators and Electric Motors
Enables phase synchronization for dynamic balancing and fault diagnostics. -
Refineries and Petrochemical Plants
Critical in large, multi-stage equipment for diagnosing wear, rubs, and looseness. -
Power Plants
サポートs real-time phase reference signals for condition monitoring / critical rotating assets. -
High-Speed Machinery Monitoring
Essential for systems where rotational speed exceeds 10,000 RPM and precision data acquisition is required.
Product Advantages
-
Dual-Channel サポート
Allows simultaneous use / two Keyphasor signals or redundancy for failover scenarios. -
Enhanced Signal Clarity
Advanced filtering reduces noise and improves accuracy in challenging environments. -
Wide Sensor Compatibility
Works with proximity probes and magnetic pickups, supporting multiple machine configurations. -
Modular Design
Seamlessly integrates into the 3500 rack with hot-swappable installation and minimal setup. -
High Frequency Range
サポートs high-speed applications up to 20 kHz, making it suitable for fast-rotating machinery. -
Robust Environmental Tolerance
Built to operate in extreme industrial conditions with wide temperature and humidity ranges. -
Certified for Hazardous Areas
Approved for installation in Class I Div 2 and ATEX-rated environments. -
サポートs Diagnostic Plots
Provides time-synchronous reference data needed for orbits, Bode, and polar plots.
よくある質問 (FAQ)
1. What is the purpose / the Enhanced Keyphasor Module in a 3500 system?
It provides time-based phase reference signals needed for vibration analysis and diagnostic tools like Bode and orbit plots.
2. Can this module handle high-speed rotating equipment?
Yes, it supports input frequencies up to 20 kHz, making it ideal for high-speed turbines and compressors.
3. What sensors are compatible with this module?
It supports Bently Nevada proximity probes (e.g., 5mm, 8mm) and magnetic pickups for flexible deployment.
4. Does the module support redundancy?
Yes, it can operate in a redundant mode where Channel 2 acts as a backup to Channel 1, increasing system reliability.
5. How is the module powered?
It receives power through the backplane / the 3500 rack—no external power supply is needed.
6. Is configuration required after installation?
Basic configuration via Bently Nevada’s System 1 s/tware is required to assign channels and set thresholds.
7. Can I use both channels independently?
Yes, you can configure each channel independently or use one as a redundant backup.
8. Is this module hot-swappable?
Yes, it can be hot-swapped within a powered rack if configured correctly, minimizing system downtime.
9. Where should I install the proximity probes?
Probes should be mounted to detect shaft rotation markers such as keyways or reflective targets.
10. What is the difference between the Enhanced and Standard Keyphasor Module?
The Enhanced version /fers better filtering, higher speed capability, dual-channel redundancy, and improved diagnostic compatibility.
Related モデルs from the Same Series or カテゴリー
| モデル | 型番 | 説明 |
|---|---|---|
| 3500/22M | 288055-01 | Transient Data Interface Module for waveform capture |
| 3500/20M | 3500/20M-01-01-00 | Rack Interface Module |
| 3500/42M | 3500/42M-01-01-00 | Vibration/Position Monitor Module |
| 3500/40M | 3500/40M-01-01-00 | Proximitor Monitor for radial/axial vibration |
| 3500/50M | 3500/50M-01-01-00 | Tachometer/Speed Monitoring Module |
| 3500/94M | 3500/94M-01-01-00 | Display Interface Module for local visual feedback |
Popular Bently Nevada モデルs in Similar Categories
| モデル | 型番 | Function |
|---|---|---|
| 330130-040-00 | 330130-040-00 | Standard Proximity Probe for vibration and phase monitoring |
| 330180-91-05 | 330180-91-05 | Proximity Probe Extension Cable |
| 330500-02-00 | 330500-02-00 | Velocity Sensor for low-frequency vibration monitoring |
| 330780-91-00 | 330780-91-00 | Accelerometer with integrated signal conditioning |
| 3500/15 | 3500/15-05-01-00 | Power Supply Module for 3500 Rack |
| 3500/05 | 3500/05-01-01-00 | System Rack Frame for Bently Nevada 3500 Modules |
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