Overview
The Bently Nevada 3500/42M 176449‑02 + 128229‑01 module is part of the 3500 Machinery Protection System. It delivers high-precision monitoring capabilities using proximity and seismic inputs to protect critical rotating equipment by measuring vibration, position, and other key mechanical parameters.
General Information
Part Number: 176449‑02 + 128229‑01
Brand / Country of Origin: Bently Nevada / USA
Manufacturer: Bently Nevada (Baker Hughes)
Series: 3500 Series
Type: Proximitor / Seismic Monitor Module
Mounting: Rack-mount in 3500 system
Power Specifications
Supply Voltage: ~18–32 V DC typical
Power Consumption: Approximately 7.7 W under normal operation
Protection: Internal isolation and filtering designed to maintain signal integrity
Communication & Interface
Interface Type: 3500 system backplane
Supported Signals: Accepts proximity probe, velocity transducer, and acceleration inputs
Outputs: Buffered transducer outputs per channel and analog 4–20 mA recorder outputs
Diagnostics: Front-panel LEDs indicate module OK, TX/RX communication, and bypass status
Environmental
Operating Temperature: –30 °C to +65 °C
Humidity: 5% to 95% RH, non-condensing
Designed for industrial control environments and 3500 system racks
Dimensions & Weight
Dimensions (L × W × H): 241.3 × 24.4 × 241.8 mm
Weight: ~0.91 kg



