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- Bently Nevada
- 3500/40M 125680-01
- Proximitor I/O Module With Internal Terminals
- USA
- 241.3 x 24.4 x 99.1 mm
- 0.2 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
- 4
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 3500/40M (125680-01) is a Proximitor I/O Module with internal terminals, designed specifically for use within the 3500 Machinery Protection System.
This module is responsible for receiving, conditioning, and transmitting proximity probe signals to monitoring modules. It plays a critical role in ensuring accurate vibration and displacement measurement for rotating machinery.
As a core component of the 3500 system, the 3500/40M is widely used in industrial environments where precise monitoring and reliable data acquisition are required.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/40M |
| Part Number | 125680-01 |
| Product Type | Proximitor I/O Module (Internal Terminals) |
| System Compatibility | 3500 Machinery Protection System |
| Input Type | Proximity probe signals |
| Channels | Multi-channel input (up to 4 channels) |
| Signal Type | Vibration and displacement |
| Transducer Supply | -24 VDC |
| Output Impedance | 550 Ω |
| Dimensions | 241.3 × 24.4 × 99.1 mm |
| Weight | 0.2 kg |
| Terminal Type | Internal terminals |
| Mounting | Rack-mounted |
| Operating Environment | Industrial continuous operation |
Core Functionality
The 3500/40M I/O Module serves as the interface between field sensors and the monitoring system.
Main Functions:
- Receives signals from proximity probes
- Conditions and stabilizes incoming signals
- Transmits data to monitoring modules
- Supports multi-channel signal input
- Enables accurate vibration and displacement monitoring
Role in the 3500 System
Within the Bently Nevada 3500 architecture, the 125680-01 module acts as the signal input and conditioning layer.
It connects:
- Proximity sensors
- Monitoring modules (3500/40M or similar)
- System rack and control modules
This ensures seamless communication and reliable system operation.
Application Areas
The Bently Nevada 3500/40M (125680-01) is widely used in industries that require accurate machinery monitoring:
- Power generation systems
- Oil and gas facilities
- Petrochemical plants
- Industrial compressors and pumps
- Heavy manufacturing equipment
It is ideal for:
- Standard industrial monitoring systems
- Continuous operation environments
- Predictive maintenance applications
Installation Advantages
The internal terminal design provides a compact and efficient installation.
Key Installation Benefits:
- Clean and organized internal wiring
- Reduced external cabling
- Secure electrical connections
- Suitable for cabinet-based installations
System Compatibility
The module integrates with other components of the 3500 system:
- 3500/40M monitoring module
- Proximity probes and extension cables
- 3500/05 system rack
- 3500/15 power supply module
- Communication interface modules
Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 126615-01 | External Terminal I/O | Easy wiring access | Maintenance systems |
| 135489-04 | Barrier I/O Module | Intrinsic safety | Hazardous environments |
| 149716-01 | TMR I/O Module | Triple redundancy | High-reliability systems |
| 140734-01 | Monitor Module | Signal processing | Monitoring applications |
| 3500/42M | Vibration Monitor | Advanced diagnostics | Complex machinery |
Key Advantages
- Reliable signal acquisition and transmission
- Multi-channel input support
- Compact internal terminal design
- Seamless integration with 3500 systems
- Designed for continuous industrial operation
- High stability and accuracy
Frequently Asked Questions
What is the function of the 125680-01 module?
It acts as an I/O interface, receiving and conditioning signals from proximity probes.
How many channels does it support?
It supports multiple channels, typically up to four input signals.
Is it suitable for industrial environments?
Yes, it is designed for continuous operation in industrial conditions.
Conclusion
The Bently Nevada 3500/40M (125680-01) Proximitor I/O Module is a critical component for reliable machinery monitoring systems. With its internal terminal design and high-precision signal handling, it ensures stable and accurate data acquisition within the 3500 platform.
For engineers and system integrators, it provides a dependable solution for building efficient and scalable monitoring systems.