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- Bently Nevada
- 3500/42M 138708-01
- Axis Absolute I/O Module
- USA
- 241.3 x 24.4 x 99.1 mm
- 0.2 kg
- Xiamen, China
- New & In Stock
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- 1 Year
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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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 3500/42M (138708-01) is a precision-engineered Axis Absolute I/O Module designed for advanced machinery protection and condition monitoring within industrial automation systems. As part of the Bently Nevada 3500 Series, this module is responsible for processing absolute position and vibration-related signals from critical machinery.
It provides reliable signal conditioning and data interface capabilities, ensuring accurate measurement of shaft position and dynamic movement. The 138708-01 is widely used in systems where precise axis monitoring is required to maintain operational safety and performance.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/42M |
| Part Number | 138708-01 |
| Product Type | Axis Absolute I/O Module |
| Function | Signal processing and I/O interface for absolute axis monitoring |
| Signal Input | Absolute position and vibration sensors |
| Signal Processing | Signal conditioning, conversion, and noise filtering |
| Dimensions | 241.3 × 24.4 × 99.1 mm |
| Weight | 0.2 kg |
| Installation | Rack-mounted (3500 system rack) |
| Power Supply | Backplane-powered |
| Output Capability | Conditioned data for monitoring and control systems |
| Application | Machinery protection and shaft position monitoring |
| Operating Environment | Industrial-grade, continuous operation |
Function and Working Principle
The 3500/42M (138708-01) module operates by processing input signals related to shaft position and mechanical movement, ensuring accurate and reliable data for monitoring systems.
Its operation includes:
- Receiving signals from absolute position sensors
- Converting raw input signals into usable electrical data
- Filtering and stabilizing signals to reduce noise and interference
- Conditioning signals for transmission within the monitoring system
- Delivering precise data to control and protection modules
This module ensures that the system can accurately track absolute axis position and detect abnormal mechanical conditions in real time.
Role in Industrial Control Systems
Within the Bently Nevada 3500 system, the 138708-01 Axis Absolute I/O Module plays a key role in high-precision monitoring.
Its main functions include:
- Monitoring shaft and axis absolute position
- Enhancing signal accuracy through advanced conditioning
- Supporting real-time machinery diagnostics
- Enabling early detection of mechanical misalignment or faults
- Providing reliable data for system protection logic
It is an essential component in systems that require high accuracy in position tracking and mechanical stability.
Industrial Applications
The Bently Nevada 3500/42M (138708-01) is widely used in industries requiring precise monitoring and high reliability:
- Power generation systems (turbines, generators)
- Oil and gas processing facilities
- Petrochemical and refining plants
- Industrial compressors and rotating machinery
- Heavy manufacturing equipment
- Precision machinery and control systems
Its ability to provide accurate axis data makes it essential for critical applications.
Installation and System Integration
Proper installation ensures optimal performance:
- Installed in a Bently Nevada 3500 rack chassis
- Connected to absolute position and vibration sensors
- Integrated with other monitoring modules in the system
- Supports modular and scalable system design
- Requires proper calibration and configuration
- Powered via the system backplane
Correct integration ensures stable operation and accurate signal processing.
Compatible System Components
This module operates as part of a broader monitoring ecosystem, working with:
- Absolute position sensors and probes
- Vibration and seismic transducers
- 3500 monitoring and relay modules
- Communication and interface modules within the 3500 system
- Rack power supply and chassis components
Together, these components create a complete and reliable machinery protection system.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 128229-01 | I/O Module | Standard signal interface | General monitoring |
| 128240-01 | I/O Module | Compact configuration | Space-limited systems |
| 135489-01 | I/O Module | Stable signal conditioning | Standard applications |
| 135489-02 | I/O Module | Enhanced reliability | Critical environments |
| 140471-01 | I/O Module | Flexible integration | Complex monitoring systems |
Key Advantages
- High-precision axis and position monitoring
- Reliable signal conditioning and noise reduction
- Compact and lightweight design
- Seamless integration with 3500 system architecture
- Supports accurate machinery protection and diagnostics
- Enhances predictive maintenance capabilities
- Stable operation in harsh industrial environments
- Improves overall system accuracy and reliability
Technical FAQs
What is the main function of the 138708-01 module?
It processes and conditions absolute axis position signals for accurate monitoring and control.
Where is it typically used?
It is used in turbines, compressors, generators, and other rotating machinery systems.
Does it improve monitoring accuracy?
Yes, it enhances signal quality and reduces noise for precise data acquisition.
Is it suitable for industrial environments?
Yes, it is designed for continuous operation in harsh industrial conditions.
Conclusion
The Bently Nevada 3500/42M (138708-01) Axis Absolute I/O Module is a high-performance component designed to deliver precise signal conditioning and reliable axis monitoring in industrial systems. Its ability to process accurate position data makes it a critical element in machinery protection and control.
As part of the Bently Nevada 3500 Series, it ensures system stability, enhances monitoring accuracy, and supports long-term operational safety in demanding industrial environments.