• Bently Nevada 140471-01
  • Bently Nevada 140471-01
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Bently Nevada 140471-01 Prox/Velom I/O Module with Internal Terminations

Bently Nevada 140471-01 Prox/Velom I/O Module with Internal Terminations

Description

The Bently Nevada 140471-01 is a Prox/Velom I/O module designed for use with the 3500/42M Proximitor/Seismic Monitor system. This module serves as the physical interface between field-mounted transducers and the...

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Availability: Low stock: 9 left

SKU: 140471-01
Vendor: Bently Nevada
Category: I/O Module
Related Series:

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Description

The Bently Nevada 140471-01 is a Prox/Velom I/O module designed for use with the 3500/42M Proximitor/Seismic Monitor system. This module serves as the physical interface between field-mounted transducers and the monitor signal conditioning circuitry within a 3500 rack. It features internal termination circuitry, eliminating the need for external termination blocks.

Features

  • 4-channel input capability for proximity and seismic transducers.
  • Provides power, common, signal, and shield connections for each transducer channel.
  • Internal termination design for simplified field wiring.
  • Supports channel pair programming for monitoring functions such as radial vibration, thrust position, acceleration, or shaft absolute measurement.
  • Routes transducer signals to the main monitor module for alarm comparison and static value generation.
  • Includes recorder outputs and OK relay contacts for system status monitoring.

Applications

  • Upstream Production Platforms: Protection for offshore/FPSO pumps, compressors, and turbines.
  • Refineries: Monitoring of FCCU/H2 compressors and crude pumps.
  • LNG Plants: Safeguarding refrigeration and methane compressors.
  • Power Generation: Protection for turbines, generators, and boiler feed pumps.
  • Hydroelectric Facilities: Monitoring of low-speed alignment and thrust for hydro-turbines.

Technical Specifications

Model 140471-01
Function Prox/Velom I/O Module
Terminations Internal
Probe Excitation -24V DC, 4-20 mA
Gap Voltage -2V to -18V DC
Frequency Response 0.5 Hz to 10 kHz
Acceleration Range 0-10 g RMS
Humidity 5-95% RH (non-condensing)

Installation Guidelines

  • Ensure the 3500 rack power supply is de-energized before inserting or removing any module to prevent damage from transient voltages.
  • Locate the I/O slot at the rear of the 3500 rack that corresponds to the front-mounted 3500/42M monitor module.
  • Align the top and bottom edges of the 140471-01 module with the rack guide rails.
  • Slide the module into the slot until the connectors are fully seated against the backplane.
  • Verify that all field wiring is properly secured to the internal terminals according to the system wiring diagram.

FAQs

What is the 140471-01?

The Bently Nevada 140471-01 is a 4-channel I/O module with internal terminations, designed for the 3500/42M Proximitor/Seismic Monitor system to provide machinery protection and vibration monitoring.

What types of sensors does the 140471-01 support?

It supports proximity probes for radial vibration and thrust position, as well as velocity and acceleration sensors for case vibration monitoring.

Can I use external termination blocks with this module?

No, the 140471-01 is specifically designed with internal terminations; external termination blocks are not compatible with this specific model.