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- Bently Nevada
- 3500/25 126648-02+128718-01
- I/O Module + Phase Key External Terminal Module
- USA
- 119.9 x 24.4 x 256.5 mm
- 0.34 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
- 2
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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| Mobile | +8615980777398 | ||
| +8615980777398 | |||
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Product Overview
The Bently Nevada 3500/25 (126648-02 + 128718-01) I/O Module + Phase Key External Terminal Module is an integrated configuration for the Bently Nevada 3500 machinery protection system, combining an isolated Keyphasor I/O module with an external terminal interface module.
This configuration provides accurate phase signal acquisition, electrical isolation, and flexible external wiring, making it ideal for industrial environments that require reliable signal transmission and easy field connectivity. It plays a crucial role in synchronizing vibration data with shaft rotation for advanced diagnostics.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/25 |
| Configuration | 126648-02 + 128718-01 |
| Product Type | I/O Module + External Terminal Module |
| Function | Phase signal input/output and external interfacing |
| Dimensions | 119.9 × 24.4 × 256.5 mm |
| Weight | 0.34 kg |
| Installation | Rack-mounted (3500 system rack) |
| Application | Phase monitoring and vibration analysis |
| Environment | Industrial-grade |
| Signal Type | Keyphasor (phase reference signal) |
| Features | Electrical isolation + external terminal connectivity |
| Compatibility | Bently Nevada 3500 system |
Function and Working Principle
The Bently Nevada 3500/25 (126648-02 + 128718-01) I/O Module + Phase Key External Terminal Module integrates signal processing, isolation, and external connectivity.
Working Principle:
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Receives phase signals from external Keyphasor probes
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Applies electrical isolation to eliminate interference
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Processes and conditions signals within the I/O module
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Routes signals through the external terminal module for flexible wiring
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Transmits synchronized signals to monitoring modules
Core Functions:
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Keyphasor signal input/output
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Electrical isolation for signal protection
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External terminal interface for field wiring
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Signal conditioning and synchronization
Role in Industrial Control Systems
This module configuration plays a key role by:
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Providing reliable phase signal acquisition
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Ensuring signal integrity in noisy environments
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Enabling flexible and maintainable wiring connections
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Supporting accurate vibration and rotational analysis
It enhances both system reliability and installation flexibility.
Industrial Applications
The Bently Nevada 3500/25 (126648-02 + 128718-01) I/O Module + Phase Key External Terminal Module is widely used in:
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Turbine monitoring systems
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Compressor and pump diagnostics
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Oil and gas facilities
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Power generation plants
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Petrochemical industries
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Industrial environments with complex wiring or high EMI
It is ideal for applications requiring isolated signals and external connectivity.
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 terminals for field devices
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Integrated with vibration monitoring modules
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Configured according to system requirements
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Installed following manufacturer guidelines
Proper setup ensures stable operation and easy maintenance.
Compatible System Components
This configuration 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 solution.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 126648-02 + 128718-01 | I/O + External Terminal | Isolation + flexible wiring | Advanced systems |
| 126648-02 | Isolated I/O Module | Signal isolation | High-noise environments |
| 126648-01 | Keyphasor I/O Module | External terminals | Standard applications |
| 125800-01 | Internal Terminal I/O | Compact wiring | Space-limited setups |
| 126398-01 | Keyphasor Module | Phase processing | Core monitoring |
Key Advantages
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Integrated isolation and external terminal interface
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Flexible and easy field wiring
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High signal integrity in noisy environments
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Accurate Keyphasor signal processing
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Seamless integration with 3500 systems
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Reliable industrial performance
Technical FAQs
What is the main benefit of this configuration?
It combines signal isolation with external terminal connectivity for reliable and flexible installation.
Why use external terminal modules?
They simplify wiring, maintenance, and field connections.
Where is it typically used?
In industrial environments requiring robust signal handling and flexible wiring solutions.
Conclusion
The Bently Nevada 3500/25 (126648-02 + 128718-01) I/O Module + Phase Key External Terminal Module is a powerful integrated solution for phase signal interfacing.
It provides:
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Reliable and isolated signal transmission
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Flexible external connectivity
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Accurate phase synchronization
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Seamless integration with 3500 systems
For engineers and system integrators, this configuration offers a highly reliable and practical solution for advanced machinery monitoring and diagnostics.