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- Bently Nevada
- 3500/25 126648-01
- Keyphasor Input/Output Module (External Terminals)
- 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
- COO
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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 (126648-01) Keyphasor Input/Output Module (External Terminals) is a dedicated Keyphasor I/O module designed for the Bently Nevada 3500 machinery protection system.
This module provides an external terminal interface for connecting Keyphasor (phase reference) signals from field devices such as proximity probes. It enables accurate acquisition and transmission of phase signals, ensuring proper synchronization between shaft rotation and vibration data for advanced machinery diagnostics.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/25 |
| Part Number | 126648-01 |
| Product Type | Keyphasor Input/Output Module |
| Function | Phase signal input and output interface |
| Terminal Type | External terminals |
| Dimensions | 241.3 × 24.4 × 103.1 mm |
| Weight | 0.46 kg |
| Installation | Rack-mounted (3500 system rack) |
| Application | Phase monitoring 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 (126648-01) Keyphasor Input/Output Module (External Terminals) is used to interface field signals with the monitoring system.
Working Principle:
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Receives phase signals from external Keyphasor probes or sensors
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Conditions and stabilizes incoming signals
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Transmits phase reference signals to monitoring modules
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Ensures synchronization with vibration and speed measurements
Core Functions:
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Keyphasor signal input/output
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Signal conditioning and filtering
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External 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 a reliable interface for external phase signals
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Enabling accurate shaft position and speed monitoring
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Supporting vibration analysis and diagnostics
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Enhancing overall system monitoring accuracy
It ensures stable and precise signal transmission from field devices to the monitoring system.
Industrial Applications
The Bently Nevada 3500/25 (126648-01) Keyphasor Input/Output Module (External Terminals) 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
It is ideal for applications requiring flexible external wiring and accurate phase signal acquisition.
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 external 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 acquisition 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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Transient Data Interface (TDI) modules
Together, these components form a complete machinery monitoring system.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 126648-01 | Keyphasor I/O Module | External terminal interface | Flexible wiring |
| 125800-01 | Keyed Phase I/O Module | Internal terminal design | Compact systems |
| 126398-01 | Keyphasor Module | Phase processing | Core monitoring |
| 3500/22 | TDI Module | Data acquisition | Communication |
| 3500/23E | TDI Module | Advanced diagnostics | High-end systems |
Key Advantages
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External terminal design for flexible field wiring
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Accurate Keyphasor signal acquisition
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Reliable signal conditioning and transmission
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Supports precise phase synchronization
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Seamless integration with 3500 systems
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Industrial-grade reliability
Technical FAQs
What is the main function of this module?
It provides input and output interfaces for Keyphasor signals using external terminals.
What is the advantage of external terminals?
They allow easier connection and maintenance of field wiring.
Where is it typically used?
In industrial machinery monitoring systems requiring accurate phase reference signals.
Conclusion
The Bently Nevada 3500/25 (126648-01) Keyphasor Input/Output Module (External Terminals) is a key interface component for phase signal acquisition in industrial monitoring systems.
It provides:
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Flexible external signal connections
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Accurate phase signal handling
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Reliable system integration
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Enhanced machinery monitoring performance
For engineers and system integrators, this module is a practical and dependable solution for precise phase monitoring and system diagnostics.