Produkteinführung
The Bently Nevada 3500/25 135473-01 Keyphasor I/O Module is a rear-panel interface module designed specifically for use with the Enhanced Keyphasor Module (3500/25) in the Bently Nevada 3500 machinery protection system. The Keyphasor system plays a critical role in shaft phase reference generation, enabling diagnostic functions such as orbit plotting, Bode plots, and rotor balancing.
This particular model, 135473-01, is a non-isolated Keyphasor I/O module, engineered to condition and transmit the raw sensor input from proximity probes or magnetic pickups directly to the Keyphasor module. It ensures accurate transmission von TTL-compatible square wave signals without requiring galvanic isolation.
Though it lacks isolation, this I/O module is suitable for systems where electrical interference is minimal or where isolation is provided externally. It supports a clean, reliable interface between field sensors and monitoring logic, delivering real-time phase reference data essential to rotating machinery diagnostics.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Keyphasor I/O Module |
| Modell Number | 3500/25 |
| Artikelnummer | 135473-01 |
| Function | Connects Keyphasor input signals to the 3500/25 module |
| Compatibility | For use with Enhanced Keyphasor Module (125800-01 or similar) |
| Supported Inputs | Magnetic pickups, proximity probes (e.g., Bently Nevada 3300 XL) |
| Input Signal Range | TTL-compatible square wave |
| Input Frequency Range | 1 Hz to 20 kHz |
| Pulse Width | 10 μs – 500 μs |
| Signal Isolation | Not included (non-isolated I/O module) |
| Channels Supported | 1 or 2 (configurable) |
| Mounting Location | Rear slot von 3500 rack (behind 3500/25 module) |
| Power Supply | Supplied through 3500 rack backplane |
| Operating Temperature | -30°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5%–95% RH (non-condensing) |
| Material | Industrial-grade PC board with aluminum carrier |
| Dimensions (W x H x D) | 241.3 x 24.4 x 103.1 mm |
| Gewicht | 0.46 kg |
| Certifications | CE, UL, CSA, RoHS |
Applications
The 135473-01 Keyphasor I/O Module is ideal for integration in systems where Keyphasor signals are used for:
-
Turbomachinery Monitoring
Delivers real-time shaft phase information for turbines and expanders used in energy and oil & gas applications. -
Compressor Systems
Supports vibration phase correlation and diagnostic plotting for axial and centrifugal compressors. -
Generator Diagnostics
Enables synchronization and phase-based analysis von electrical generators in power plants. -
Marine Engines
Used in engine-driven propulsion or generation systems where phase reference is vital for balancing. -
Pumps and Industrial Fans
Provides reliable reference signals for monitoring shaft alignment and dynamic behavior. -
Refineries and Petrochemical Facilities
Supports condition-based monitoring and predictive maintenance strategies for critical rotating assets.
Product Advantages
-
Direct Sensor Interface
Accepts signals from proximity probes and magnetic pickups without additional converters. -
Efficient Signal Path
Provides fast, clean signal transmission to the 3500/25 module for minimal processing delay. -
Compact Installation
Installs neatly into the back von the 3500 rack, maintaining clean cabling and rack organization. -
Configurable Channels
Supports one or two Keyphasor inputs, either for independent signal use or redundancy. -
High-Speed Performance
Handles signal frequencies up to 20 kHz—ideal for high-speed turbine systems. -
Cost-Effective Design
Non-isolated design reduces component count and cost where isolation is not essential. -
Durable Construction
Designed to withstand industrial environments with extended temperature and humidity ranges. -
Low Maintenance
Passive module requires no routine servicing, reducing operational overhead.
Häufig gestellte Fragen (FAQ)
1. What does the 135473-01 module do?
It connects Keyphasor input signals from probes or pickups to the Enhanced Keyphasor Module in the 3500 rack.
2. Is this an isolated I/O module?
No, the 135473-01 is a non-isolated module. For applications requiring electrical isolation, consider the 126648-02 model.
3. How many channels does it support?
It can support up to two channels, configurable for independent or redundant Keyphasor inputs.
4. Which sensors are compatible?
It works with Bently Nevada proximity probes (such as 3300 XL) and magnetic pickups.
5. Where is the module installed in the system?
It is mounted in the rear I/O slot von the 3500 rack, directly behind the 3500/25 module.
6. Does it require a power supply?
No, it is powered through the rack’s backplane and requires no external power connection.
7. Is this module suitable for high-speed turbines?
Yes, it supports signal frequencies up to 20 kHz, suitable for high-RPM rotating machines.
8. Can it be used in hazardous environments?
While the module itself is not rated for hazardous zones, it may be used in certified systems depending on rack setup.
9. How does this module differ from the 126648-02?
The 135473-01 lacks signal isolation, making it suitable only in low-noise environments or where isolation is external.
10. Is this module compatible with all 3500/25 versions?
Yes, it is compatible with all Enhanced Keyphasor Module configurations within the 3500 series.
Related Modells from the Same Series or Kategorie
| Modell | Artikelnummer | Beschreibung |
|---|---|---|
| 3500/25 | 125800-01 | Enhanced Keyphasor Module (primary processing module) |
| 3500/25 | 126648-02 | Isolated Keyphasor I/O Module |
| 3500/25 | 149369-01 | Standard Keyphasor I/O Module with isolation |
| 3500/25 | 126398-01 | Enhanced Keyphasor Module (alternative configuration) |
| 3500/50M | 3500/50M-01-01-00 | Tachometer and Speed Measurement Module |
| 3500/22M | 288055-01 | Transient Data Interface Module |
Popular Bently Nevada Modells in Similar Categories
| Modell | Artikelnummer | Function |
|---|---|---|
| 330130-040-00 | 330130-040-00 | Proximity Probe for vibration and phase measurement |
| 330180-91-00 | 330180-91-00 | Extension Cable for Proximity Transducers |
| 330500-02-00 | 330500-02-00 | Velocity Sensor for low-frequency vibration monitoring |
| 3500/15 | 3500/15-05-01-00 | Power Supply Module for 3500 Series |
| 3500/05 | 3500/05-01-01-00 | Rack Chassis for Bently Nevada 3500 modules |
| 3500/42M | 3500/42M-01-01-00 | Vibration and Position Monitor Module |
Unternehmensinformationen
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