Bently Nevada 177990-01 Prox Accel Aero Module

Overview

The Bently Nevada 177990-01 is a 12-channel module designed for aeroderivative gas turbine protection and condition monitoring. It integrates with the ADAPT 3701/44 Aeroderivative Monitor system. This module supports multiple sensor types to monitor rotating machinery accurately. It enables remote diagnostics via Ethernet communication, improving system reliability and maintenance efficiency.

Technical Specifications

Channels:

• 12 independent input channels

Supported Sensors:

• Eddy current proximity probes

• Charge-coupled accelerometers

• Integrated Circuit Piezoelectric Sensors (IEPE)

• Velocity, acceleration sensors

• Dynamic pressure sensors

• Magnetic speed pick-ups

Communication:

• Two Ethernet ports per CPU

• Supports TCP/IP industrial protocols

Electrical:

• Voltage: 24 V DC

• Current Rating: 5 A

• Hot-pluggable design

Operating Temperature Range:

• -30°C to +65°C (-22°F to 149°F)

• Continuous operation at +65°C reduces lifespan to ~11 years

• Cooler temperatures or airflow extend lifespan

Storage Temperature Range:

• -40°C to +85°C (-40°F to 185°F)

Humidity:

• 0% to 95% relative humidity, non-condensing

Vibration Resistance:

• 5g at 57-500 Hz (IEC 60068-2-6)

Shock Resistance:

• 15g, 11 ms (IEC 60068-2-27)