Product Introduction

The Bently Nevada 3500/40M 135489‑04 Proximitor I/O Module with Internal Barriers and Internal Terminals provides accurate and reliable I/O processing for proximity and vibration sensors within Bently Nevada 3500M monitoring systems. With built‑in barriers and terminal organization, it simplifies internal cabinet wiring while maintaining high measurement fidelity — essential for modern condition‑based machinery protection applications.

Technical Specifications

Specification	Description
Product Type	Proximitor I/O Module
Series	3500/40M
Part Number	135489‑04
Function	Signal acquisition and I/O processing for Proximitor sensors
Application	Machinery vibration and position monitoring
Manufacturer	Bently Nevada
Installation	Rack or panel mount within 3500/40M systems
Dimensions	241.3 × 24.4 × 163.1 mm
Weight	0.46 kg

Recommended Related Models

Bently Nevada 3500/40M Preamplifier Monitors – For enhanced signal conditioning
Bently Nevada 3500/25 I/O Modules – Complementary I/O options
Bently Nevada 3300 XL Proximity & Vibration Probes – Field transducers
Bently Nevada 3500/40M Enhanced Key Phase Modules – Phase and speed signal boards

Popular Related Models

Bently Nevada 3500/40M Proximitor I/O Modules – Standard interface boards
Bently Nevada 3500/40 Preamplifier + I/O Module Combos – Amplified signal packages
Bently Nevada 3500 XL Vibration Probes – High‑precision sensors
Bently Nevada Keyphasor and Phase Modules – Speed reference solutions

Application Scenarios

The Bently Nevada 3500/40M 135489‑04 Proximitor I/O Module is designed for precision machinery monitoring and reliable signal interfacing in 3500 Series systems. It is commonly deployed in:

Rotating machinery protection for turbines, compressors, and generators
Proximity and vibration signal acquisition from Proximitor sensors
Condition‑based monitoring for industrial plant machinery
Continuous 24/7 monitoring environments
Integration in 3500M Series monitoring racks and cabinets

Key Advantages

This module delivers robust signal handling and efficient integration:

Internal barriers and terminals simplify wiring and enhance safety
Compact and modular design fits seamlessly in 3500/40M systems
Accurate I/O processing for high‑fidelity sensor signals
Industrial‑grade reliability for continuous duty in harsh conditions
Simplified installation and maintenance with organized internal routing

Technical FAQs

What is the main function of this module?
It provides Proximitor signal interface and I/O processing for machinery condition monitoring.
Where is it installed?
Mounted in Bently Nevada 3500/40M Series racks or monitoring cabinets.
Does it support continuous operation?
Yes — designed for reliable 24/7 industrial use.
What do internal barriers do?
They help isolate and protect signal paths for improved safety and integrity.
Are the terminals internal or external?
This model uses internal terminals for streamlined wiring inside the cabinet.
Is it suitable for high‑speed machinery signals?
Yes — it handles fast proximity and vibration input signals with precision.
Does it require frequent maintenance?
No — standard system checks are sufficient once installed.
Can it be paired with other 3500 modules?
Yes — it integrates seamlessly within the 3500 Series ecosystem.
Is it compatible with both analog and digital signals?
It is optimized for Proximitor (analog proximity) and related I/O inputs.
Why choose an original Bently Nevada module?
For guaranteed compatibility, accurate monitoring results, and long‑term reliability.