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- Bently Nevada
- 3500/40 135489-04
- Proximitor I/O Module With Internal Barriers And Internal Terminals
- USA
- 241.3 x 24.4 x 163.1 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
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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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Module Overview
The Bently Nevada 3500/40 (135489-04) is an advanced Proximitor I/O Module featuring internal barriers and internal terminals, specifically engineered for use within the 3500 machinery protection system.
This module is designed for applications requiring intrinsic safety and enhanced signal protection, making it ideal for hazardous industrial environments. By integrating internal barriers, it ensures safe signal transmission between field-mounted proximity probes and monitoring systems.
It is widely used in critical machinery monitoring where both accuracy and safety compliance are essential.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/40 |
| Part Number | 135489-04 |
| Product Type | Proximitor I/O Module (Internal Barriers + Internal Terminals) |
| System Series | 3500 Machinery Protection System |
| Input Channels | Up to 4 proximity probe inputs |
| Signal Type | Vibration and displacement |
| Transducer 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 × 163.1 mm |
| Weight | 0.46 kg |
| Terminal Type | Internal terminals |
| Safety Feature | Integrated internal barriers |
| Mounting | Rack-mounted |
| Operating Environment | Hazardous / industrial environments |
Key Functional Highlights
The 135489-04 module combines signal processing with built-in safety protection.
Core Capabilities:
- Accepts multiple proximity probe inputs
- Conditions and processes vibration signals
- Provides intrinsic safety through internal barriers
- Ensures safe signal isolation in hazardous zones
- Supports continuous real-time monitoring
What Makes Internal Barriers Important
A key differentiator of this module is its integrated internal barrier design.
Benefits of Internal Barriers:
- Prevents excess electrical energy from reaching hazardous areas
- Protects sensors and control systems from electrical faults
- Ensures compliance with safety standards
- Eliminates the need for external barrier modules
This makes the module particularly suitable for explosive or high-risk industrial environments.
Operational Workflow
The module operates as part of the 3500 system signal chain:
- Proximity probes detect mechanical movement
- Signals pass through internal safety barriers
- Signals are conditioned and converted
- Data is transmitted to monitoring modules
- Alarm and protection logic are executed
This integrated process ensures both accurate monitoring and operational safety.
Industrial Application Areas
The Bently Nevada 135489-04 is commonly used in industries requiring both monitoring accuracy and intrinsic safety:
- Oil and gas refineries
- Offshore platforms
- Chemical and petrochemical plants
- Power generation facilities
- Hazardous area processing units
It is especially valuable in environments classified as:
- Explosive atmospheres
- High-risk industrial zones
- Safety-critical installations
Installation Characteristics
The module is designed for installation within standard 3500 racks.
Installation Features:
- Rack-mounted configuration
- Internal terminal wiring
- Integrated safety barriers (no external barrier required)
- Compatible with hazardous area system layouts
This design simplifies system architecture while improving safety compliance.
System Compatibility
The module works seamlessly with the following components:
- 3500/40M Proximitor Monitor
- Proximity probes and extension cables
- 3500/05 rack system
- 3500/15 power supply module
- System communication modules
Together, these form a complete machinery protection solution.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 125680-01 | Internal Terminal Module | Standard configuration | General industrial use |
| 126615-01 | External Terminal Module | Easy field wiring | Maintenance-friendly systems |
| 3500/40M | Monitor Module | Multi-channel monitoring | Core systems |
| 3500/42M | Vibration Monitor | Advanced diagnostics | High-performance systems |
| 3500/45 | Position Monitor | Axial measurement | Precision monitoring |
Key Advantages
- Built-in intrinsic safety barriers
- Eliminates need for external protection modules
- High-accuracy signal conditioning
- Supports multi-channel monitoring
- Designed for hazardous environments
- Fully integrated with 3500 system architecture
Technical FAQs
What is the main advantage of the 135489-04 module?
Its integrated internal barriers provide intrinsic safety, making it suitable for hazardous environments.
Does it require external safety barriers?
No, the module includes built-in barriers, reducing system complexity.
How many channels are supported?
It supports up to four proximity transducer inputs.
Conclusion
The Bently Nevada 3500/40 (135489-04) Proximitor I/O Module is a specialized solution for industrial environments requiring both precision monitoring and intrinsic safety. With its integrated internal barriers and robust design, it ensures safe, reliable, and accurate machinery protection.
For engineers working in hazardous or safety-critical environments, this module offers a streamlined and highly dependable solution within the 3500 system.