Introduction

The Bently Nevada 3500/40 125680-01 Proximitor I/O Module with Internal Terminals is a compact and efficient interface solution for proximity-based machinery monitoring. By integrating terminals within the module, it streamlines installation while preserving signal accuracy.

Technical Specifications

Parameter	Description
Model	3500/40 125680-01
Module Type	Proximitor I/O Module with Internal Terminals
Dimensions	241.3 × 24.4 × 99.1 mm
Weight	Approx. 0.2 kg
Mounting Method	Rack-mounted in 3500 Series systems
Application Environment	Proximity monitoring and machinery protection

Recommended Related Models

For complete proximity and vibration monitoring solutions, the following Bently Nevada components are frequently paired with the 3500/40 module.

Bently Nevada 3500/33 Proximity Probe I/O Module
Bently Nevada 3500/25 Key Phase Input/Output Module
Bently Nevada 330104-00-12-10-02-05 3300 XL Proximity Probe
Bently Nevada 3500/45 Reciprocating Rod Position Monitor

Popular Related Models

These Bently Nevada products are widely adopted in similar proximity monitoring and machinery protection applications.

Bently Nevada 3500/40 125680-01 Proximitor I/O Module
Bently Nevada 3500/33 Proximity Probe I/O Module
Bently Nevada 3500/25 Enhanced Keying I/O Module
Bently Nevada 330101-00-14-10-02-05 3300 XL Proximity Probe

Applications

The Bently Nevada 3500/40 Proximitor I/O Module is purpose-built for high-accuracy proximity measurement systems. With internal terminals integrated into the module, it simplifies wiring while maintaining precise signal handling for critical rotating machinery monitoring.

Proximity probe signal interfacing in Bently Nevada 3500 Series systems
Continuous monitoring of shaft vibration and position
Rotating equipment protection in turbines, compressors, and motors
Industrial applications in power generation, oil & gas, and petrochemical plants
Installations requiring compact I/O solutions with internal termination

Advantages

This module combines installation efficiency with measurement reliability, making it an ideal choice for modern machinery protection architectures.

Internal terminals reduce external wiring complexity and installation time
High-fidelity signal transmission for accurate proximity measurements
Compact, lightweight design optimizes rack space utilization
Seamless integration with Bently Nevada 3500 Series monitoring platforms
Industrial-grade construction for stable long-term operation

Technical FAQs

What is the main function of the 3500/40 module?
It interfaces proximitor signals between proximity probes and the 3500 Series monitoring system.
What does “internal terminals” mean?
Field wiring is terminated directly inside the module, reducing external terminal blocks.
Which probes are compatible with this module?
It is commonly used with Bently Nevada proximity probes and proximitor sensors.
Is this module suitable for continuous operation?
Yes, it is designed for 24/7 industrial monitoring environments.
Does it improve installation efficiency?
Yes, internal terminals significantly simplify wiring and maintenance.
How is the module installed?
It mounts directly into a Bently Nevada 3500 Series rack.
What are its physical dimensions and weight?
241.3 × 24.4 × 99.1 mm, approximately 0.2 kg.
Does it require special configuration tools?
Standard 3500 Series configuration software is used.
What maintenance does it require?
Minimal maintenance, mainly periodic inspection of connections.
Can it be used in harsh industrial environments?
Yes, it is designed to withstand vibration, temperature variation, and industrial conditions.