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Bently Nevada 3500/45 176449-04 Position Monitor Module

The Bently Nevada 3500/45 176449-04 Position Monitor Module is a four-channel position monitoring device designed for the Bently Nevada 3500 Machinery Protection System. It is used to monitor critical machine position parameters including axial thrust position, differential expansion, case expansion, and valve position.

The module accepts input signals from multiple position sensors, including proximity transducers, Rotary Position Transducers (RPTs), DC/AC Linear Variable Differential Transformers (LVDTs), and rotary potentiometers. It conditions the input signals and compares measured values with user-configurable alarm setpoints to provide machinery protection and operational monitoring.

Description
Product Description:

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Bently Nevada 3500/45 176449-04 Position Monitor Module

The Bently Nevada3500/45 176449-04 is a Position Monitor Module belonging to the 3500 Series Machinery Protection System.

This module is designed for applications where accurate mechanical position measurement is required. It continuously monitors position-related parameters and provides early warning of abnormal mechanical movement that may indicate thrust bearing problems, thermal expansion issues, or equipment alignment changes.

The 3500/45 supports configurable measurement functions including:

  • Axial (Thrust) Position

  • Differential Expansion

  • Standard Single Ramp Differential Expansion

  • Non-standard Single Ramp Differential Expansion

  • Dual Ramp Differential Expansion

  • Complementary Differential Expansion

  • Case Expansion

  • Valve Position

Each channel can be configured through 3500 Rack Configuration Software, allowing engineers to adapt monitoring functions according to machine requirements. 

Model Information:

Bently Nevada 3500/45 176449-04

Manufacturer:
Bently Nevada

Series:
3500 Machinery Protection System

Part Number:
176449-04

Product Type:
Position Monitor Module

Channel Configuration:
4-channel monitoring

Main Function:
Axial position, expansion, and mechanical displacement monitoring

Compatible Sensors:
Proximity transducers, RPTs, AC/DC LVDTs, rotary potentiometers 

350045 176449-04

350045 176449-04

Technical Specifications:
ParameterSpecification
Model3500/45 176449-04
Product TypePosition Monitor Module
Channels4 channels
Input SensorsProximity probes, RPTs, AC/DC LVDTs, rotary potentiometers
Measurement FunctionsAxial position, differential expansion, case expansion, valve position
Signal ProcessingDigital signal conditioning
Alarm SettingProgrammable Alert and Danger setpoints
Configuration3500 Rack Configuration Software
Output4–20 mA proportional outputs (configuration dependent)
Communication3500 rack backplane communication
InstallationStandard 3500 rack slot
Power SupplySupplied by 3500 rack
Power ConsumptionApprox. 7 W
Operating TemperatureIndustrial environment compatible
WeightApprox. 0.8 kg
Module SizeApprox. 24 × 2.4 × 10 cm


Main Features:

Four-Channel Position Monitoring

The 3500/45 provides four independent monitoring channels, allowing multiple mechanical position parameters to be monitored within a single rack module.

Multi-Sensor Compatibility

The module supports various displacement measurement technologies, including eddy-current proximity sensors, RPTs, and LVDTs, providing flexibility for different machine designs.

Programmable Measurement Functions

Users can configure channels for different applications such as thrust position, differential expansion, or valve position monitoring.

Alarm Protection Capability

The module continuously compares measured values with configured alarm limits and provides Alert and Danger indications for machinery protection.

Integration with 3500 Platform

The 3500/45 works together with other Bently Nevada monitoring, relay, and communication modules to create a complete machinery protection solution.

Advantages:
  • Provides continuous monitoring of critical machine position parameters

  • Helps prevent thrust bearing and rotor position failures

  • Supports multiple sensor technologies

  • Reduces unexpected equipment downtime

  • Improves machinery reliability and operational safety

  • Easy integration with existing Bently Nevada 3500 systems

Application Fields:

Steam Turbine Systems

Used for monitoring rotor axial position, differential expansion, and thermal movement.

Gas Turbine Equipment

Provides position monitoring for turbine rotor and casing expansion conditions.

Compressor Systems

Monitors mechanical displacement and thrust-related conditions.

Power Generation

Supports turbine supervisory instrumentation and machinery protection systems.

Petrochemical Industry

Used for large rotating equipment condition monitoring and protection.

FAQ:

Q1: What is the Bently Nevada 3500/45 176449-04 used for?

A:
It is used for monitoring machine position parameters such as axial thrust position, differential expansion, case expansion, and valve position in rotating equipment.

Q2: How many channels does the 3500/45 176449-04 provide?

A:
The module provides four monitoring channels.

Q3: Which sensors are compatible with this module?

A:
The module supports proximity transducers, Rotary Position Transducers (RPTs), AC/DC LVDTs, and rotary potentiometers.

Q4: Can the 3500/45 monitor vibration?

A:
No. The 3500/45 is a position monitoring module. Vibration monitoring requires dedicated 3500 vibration modules.

Q5: How is the module configured?

A:
Channel functions, alarm thresholds, and measurement parameters are configured using Bently Nevada 3500 Rack Configuration Software. 


Do you provide global shipping services?

Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.

2. What payment methods and currencies do you accept?

To make your purchasing process as simple as possible, we offer multiple payment methods including bank transfer, check, and PayPal. Meanwhile, we also accept most mainstream credit and debit cards, such as Visa, Mastercard, and American Express. We can accept payments in most major currencies worldwide, but we recommend using US dollars (USD), British pounds (GBP), or euros (EUR) as a priority. Payments in other currencies may incur additional fees. All transactions are securely processed by HSBC Bank and HSBC Merchant Services.

How many parts do you currently have in stock?

We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.

Who can I contact if I encounter any problems?

Our experienced customer service team will handle any issues after you place your order.

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