• Bently Nevada 3500/46M
  • Bently Nevada 3500/46M
  • Bently Nevada 3500/46M
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Bently Nevada 3500/46M Hydro Monitor Module

Bently Nevada 3500/46M Hydro Monitor Module

Description

The Bently Nevada 3500/46M Hydro Monitor is a specialized four-channel module engineered for the 3500 Series Machinery Protection System. It is specifically optimized for hydroelectric turbine applications, providing continuous, high-reliability...

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Availability: Low stock: 1 left

SKU: 3500/46M
Vendor: Bently Nevada
Category: Vibration Monitor Module
Related Series:

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  • Genuine Guarantee: We supply only 100% original, brand-new, and factory-sealed industrial automation parts.
  • Full Coverage: Every component is backed by a 12-month comprehensive warranty from the date of purchase.
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Description

The Bently Nevada 3500/46M Hydro Monitor is a specialized four-channel module engineered for the 3500 Series Machinery Protection System. It is specifically optimized for hydroelectric turbine applications, providing continuous, high-reliability monitoring of critical machine parameters. The module ensures operational safety by tracking vibration, thrust position, eccentricity, and speed, maintaining strict adherence to API 670 standards for machinery protection.

Features

  • Four-channel input capability supporting proximity probes, velocity transducers, and accelerometers.
  • Programmable Alert and Danger setpoints for comprehensive machinery protection.
  • Integrated 4-20 mA recorder outputs for seamless interface with plant DCS or PLC control systems.
  • Buffered transducer outputs provided via front-panel BNC connectors for diagnostic analysis.
  • Front-panel LED status indicators for OK, TX/RX, and Bypass operational modes.
  • Designed for integration into standard 3500 series rack configurations.

Applications

This module is primarily deployed in hydroelectric power generation facilities to monitor turbine-generator sets. It is suitable for measuring radial vibration, thrust position, shaft eccentricity, and rotational speed, as well as seismic monitoring for turbine casings.

Technical Specifications

Model 3500/46M
Input Channels 4
Operating Temperature -30 degC to +65 degC
Power Consumption 7.5 W (typical)
Output Signals 4-20 mA (proportional), Buffered BNC, Relay (Alert/Danger)
Weight 0.8 kg

Installation Guidelines

  • Ensure the 3500 rack is powered down before inserting or removing the 3500/46M module to prevent electrical damage.
  • The module must be installed in a clean, dry environment within the specified temperature range.
  • Use shielded cabling for all transducer inputs to minimize EMI/RFI interference.
  • Ensure proper grounding of the 3500 rack chassis to the plant common ground.
  • Verify that all I/O module wiring is correctly terminated at the rear I/O card before applying power.

FAQ

What is the primary function of the 3500/46M?

The 3500/46M is a dedicated monitor for hydroelectric turbines, designed to measure and protect against critical vibration, thrust, and speed conditions in accordance with API 670.

Can this module communicate with a PLC?

Yes, the module provides 4-20 mA proportional outputs that can be wired directly to standard PLC or DCS analog input cards for external monitoring and data logging.

Does this module require a specific rack position?

The 3500/46M is designed to fit into any standard slot within a 3500 series rack, provided the corresponding I/O module is installed in the rear of the rack.