Overview
The Bently Nevada 3500/45 module with part numbers 140072-02 and 140072-04 integrates position and vibration sensing functionality. It accepts input from proximity probes and seismic sensors to monitor shaft displacement and vibration of rotating machinery. This module offers reliable protection for critical machinery by combining positional data with vibration-based diagnostics.
General Information
Part Numbers: 140072-02 + 140072-04
Brand / Country of Origin: Bently Nevada / USA
Manufacturer: Bently Nevada (Baker Hughes)
Series: 3500 Series
Type: Proximitor / Seismic Monitor Module
Mounting: Rack-mounted in standard 3500 I/O system
Power Specifications
Supply Voltage: Typically powers from 18–32 V DC through system backplane
Power Consumption: Moderate, implemented for continuous operation
Protection: Includes isolation and internal signal filtering to reduce noise and ensure accurate measurements
Communication & Interface
Interface Type: 3500 system backplane connections
Supported Inputs: Proximity probe displacement, seismic velocity or acceleration inputs
Outputs: Buffered transducer outputs per channel and analog 4–20 mA feedback
Diagnostics: Module status, bypass, and communication health indicator LEDs
Environmental
Operating Temperature: –30 °C to +65 °C
Humidity: 5% to 95% RH, non-condensing
Installation Environment: Industrial rack or cabinet with vibration control
Reliability: Designed to perform in high-noise and high-vibration environments typical of turbine or compressor systems
Dimensions & Weight
Dimensions (L × W × H): 241.3 × 24.4 × 241.8 mm
Weight: ~0.91 kg
