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- Bently Nevada
- 3500/25 125800-01
- Enhanced Keyed Phase I/O Module (Internal Terminal)
- USA
- 241.3 x 24.4 x 103.1 mm
- 0.46 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
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Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Bently Nevada 3500/25 (125800-01) Enhanced Keyed Phase I/O Module (Internal Terminal) is a specialized Keyed Phase I/O module designed for the Bently Nevada 3500 machinery protection system.
This module provides an internal terminal interface for phase signal input, enabling accurate acquisition of Keyphasor (phase reference) signals from rotating machinery. It is essential for ensuring precise synchronization between shaft rotation and vibration data, supporting advanced diagnostics and condition monitoring.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/25 |
| Part Number | 125800-01 |
| Product Type | Enhanced Keyed Phase I/O Module |
| Function | Phase signal input and interface |
| Terminal Type | Internal terminal |
| Dimensions | 241.3 × 24.4 × 103.1 mm |
| Weight | 0.46 kg |
| Installation | Rack-mounted (3500 system rack) |
| Application | Phase reference and vibration analysis |
| Environment | Industrial-grade |
| Signal Type | Keyphasor (phase reference signal) |
| Compatibility | Bently Nevada 3500 system |
Function and Working Principle
The Bently Nevada 3500/25 (125800-01) Enhanced Keyed Phase I/O Module (Internal Terminal) is designed to interface with phase sensors and transmit signals to monitoring modules.
Working Principle:
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Receives phase signals from proximity probes or keyphasor sensors
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Processes and conditions incoming signals
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Transfers phase reference data to the monitoring system
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Ensures synchronization with vibration and speed measurements
Core Functions:
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Keyphasor signal input
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Signal conditioning and filtering
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Internal terminal connectivity
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Support for accurate phase synchronization
Role in Industrial Control Systems
This module plays a critical role by:
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Providing accurate phase reference input
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Supporting vibration and dynamic analysis
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Enabling shaft position and speed detection
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Enhancing diagnostic accuracy for rotating machinery
It ensures that monitoring systems receive precise and stable phase signals.
Industrial Applications
The Bently Nevada 3500/25 (125800-01) Enhanced Keyed Phase I/O Module (Internal Terminal) is widely used in:
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Turbine monitoring systems
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Compressor and pump diagnostics
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Generator and motor monitoring
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Oil and gas facilities
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Power generation plants
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High-speed rotating machinery analysis
It is ideal for applications requiring accurate phase signal acquisition and internal wiring configurations.
Installation and System Integration
For optimal performance:
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Installed in a Bently Nevada 3500 rack system
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Connected via internal terminal wiring
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Integrated with Keyphasor and monitoring modules
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Configured according to system requirements
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Installed following manufacturer guidelines
Proper installation ensures reliable signal transmission and system stability.
Compatible System Components
This module works with:
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Bently Nevada Keyphasor modules
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Proximity probes and phase sensors
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Vibration monitoring modules
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Rack Interface Modules (RIM)
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Data acquisition and TDI modules
Together, these components form a complete machinery monitoring system.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 125800-01 | Keyed Phase I/O Module | Internal terminal interface | Standard monitoring |
| 149369-01 | I/O Module | External interface | Flexible wiring |
| 125792-01 | Phase Module | Phase signal processing | Core monitoring |
| 3500/22 | TDI Module | Data acquisition | System communication |
| 3500/23E | TDI Module | Advanced monitoring | High-end systems |
Key Advantages
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Internal terminal design for secure connections
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Accurate Keyphasor signal input
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Supports precise phase synchronization
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Enhances vibration analysis accuracy
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Reliable performance in industrial environments
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Seamless integration with 3500 systems
Technical FAQs
What is the function of this module?
It provides phase signal input and conditioning for Keyphasor-based monitoring systems.
What does “internal terminal” mean?
It refers to internal wiring connections within the module, offering secure and organized installation.
Where is it typically used?
In industrial machinery monitoring systems requiring accurate phase reference signals.
Conclusion
The Bently Nevada 3500/25 (125800-01) Enhanced Keyed Phase I/O Module (Internal Terminal) is a key component for phase signal acquisition and synchronization in industrial monitoring systems.
It provides:
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Reliable phase signal input
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Accurate synchronization with rotating machinery
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Secure internal terminal connections
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Seamless integration with 3500 systems
For engineers and system integrators, this module is a critical solution for achieving precise and reliable machinery diagnostics.