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- Bently Nevada
- 3500/40 126615-01
- Proximitor I/O Module With External 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
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- 24-Hour Service
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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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Introduction
The Bently Nevada 3500/40 (126615-01) is a specialized Proximitor I/O Module with external terminals, engineered for integration within the 3500 machinery protection system.
This module is designed to interface directly with proximity transducers, enabling accurate monitoring of vibration, displacement, and shaft position in rotating equipment. The external terminal configuration provides greater flexibility in field wiring, making it suitable for installations requiring easier access and maintenance.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/40 |
| Part Number | 126615-01 |
| Product Type | Proximitor I/O Module (External Terminals) |
| System Compatibility | 3500 Machinery Protection System |
| Input Channels | Up to 4 proximity probe inputs |
| Signal Type | Vibration / displacement |
| Transducer Power Supply | -24 VDC |
| Power Consumption | Approx. 7.7 W |
| Output Impedance | 550 Ω |
| Sensitivity | 3.94 / 7.87 mV/μm |
| Dimensions | 241.3 × 24.4 × 99.1 mm |
| Weight | 0.2 kg |
| Terminal Type | External wiring terminals |
| Mounting Method | Rack-mounted |
| Operating Environment | Industrial-grade |
Key Features
Unlike internal terminal versions, the 126615-01 offers external connection points, which simplifies installation and troubleshooting.
Main Features:
- External terminals for easy wiring access
- Multi-channel proximity signal input
- High-accuracy signal conditioning
- Real-time monitoring capability
- Seamless integration with 3500 systems
Functional Description
The module acts as a signal interface between proximity probes and monitoring units.
Operational Flow:
- Receives analog signals from proximity sensors
- Converts and conditions signals for processing
- Sends processed data to monitoring modules
- Enables alarm and protection logic execution
This ensures continuous monitoring of machine condition parameters.
System Role and Importance
Within the 3500 system, this module is responsible for maintaining reliable signal transmission and supporting machinery protection functions.
It connects:
- Proximity probes
- Monitoring modules (such as 3500/40M)
- Control and safety systems
Its role is essential for:
- Accurate machine diagnostics
- Preventive maintenance strategies
- Equipment protection and shutdown control
Application Scenarios
The 3500/40 (126615-01) is commonly deployed in industries where rotating machinery reliability is critical:
- Steam and gas turbines
- Compressors and pumps
- Oil and gas processing facilities
- Power plants
- Industrial manufacturing systems
It is particularly valuable in systems requiring high accessibility for wiring and maintenance.
Installation Advantages
The external terminal design provides practical benefits during installation and operation:
- Easier cable connection and disconnection
- Faster maintenance and replacement
- Reduced installation complexity
- Improved accessibility inside control cabinets
This makes it ideal for field environments where quick servicing is required.
Compatible Modules and System Components
The module is typically used together with:
- 3500/40M monitoring module
- Proximity probes and extension cables
- 3500 rack system (3500/05)
- Power supply module (3500/15)
- Communication interface modules
These components form a complete and scalable protection system.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 125680-01 | Internal Terminal Module | Compact internal wiring | Standard installations |
| 3500/40M | Monitor Module | Multi-channel monitoring | Core systems |
| 3500/42M | Vibration Monitor | Advanced diagnostics | High-end systems |
| 3500/45 | Position Monitor | Axial displacement tracking | Precision applications |
| 3500/15 | Power Supply | System power module | All configurations |
Advantages
- Flexible external terminal connections
- Reliable signal processing performance
- Supports multi-channel monitoring
- Enhances maintenance efficiency
- Fully compatible with 3500 systems
- Designed for continuous industrial use
FAQ Section
What is the difference between 126615-01 and 125680-01?
The 126615-01 features external terminals for easier wiring, while 125680-01 uses internal terminals.
How many sensors can it support?
It supports up to four proximity transducer inputs.
Is it suitable for harsh environments?
Yes, it is designed for industrial environments with continuous operation requirements.
Conclusion
The Bently Nevada 3500/40 (126615-01) Proximitor I/O Module is a reliable and flexible solution for machinery monitoring systems. Its external terminal design simplifies installation and maintenance while ensuring accurate signal processing.
For industrial applications that demand high reliability and easy serviceability, this module is a practical and efficient choice within the 3500 system architecture.