Bently Nevada 3500/42M 176449-02+135489-03 Proximitor Seismic Monitor

The Bently Nevada 3500/42M 176449-02+135489-03 Proximitor Seismic Monitor is a high-performance module designed for the continuous monitoring of shaft vibration, position, and phase in rotating machinery. As part of the 3500 Series machinery protection system, this module provides advanced vibration analysis and monitoring capabilities using eddy current proximity transducers and seismic sensors. With enhanced signal processing, configurability, and compatibility with the 3500 rack system, the 42M ensures real-time diagnostics essential for critical machinery protection in industrial environments.

Product Specifications

Product Applications

The 3500/42M module is engineered for critical vibration monitoring across a wide range of industrial machines. Typical applications include:

• Steam turbines

• Gas turbines

• Compressors

• Pumps and motors

• Gearboxes

• Centrifuges and expanders

It plays a vital role in detecting early signs of mechanical issues such as unbalance, misalignment, looseness, or bearing faults, allowing for predictive maintenance and reduced unplanned downtime.

Product Advantages

The Bently Nevada 3500/42M 176449-02+135489-03 offers several key benefits that make it a go-to solution for condition monitoring:

• High Channel Density: Four independent channels reduce module footprint in the rack.

• Flexible Configuration: Supports multiple input types and monitoring strategies, including radial vibration, axial thrust, and casing vibration.

• Proven Compatibility: Seamless integration with existing Bently Nevada probes and the 3500 Series system.

• Advanced Diagnostics: Provides real-time diagnostics, buffering, and alarm handling with minimal latency.

• Reliable Performance: Industrial-grade design ensures consistent performance in harsh environments.

• Continuous Protection: Supports SIL 2 rated machinery protection when installed in a certified configuration.

Frequently Asked Questions (FAQ)

1. Can the 3500/42M monitor both proximity and seismic inputs simultaneously?

   Yes, the module supports mixed input configurations across its channels.

2. What filtering options are available in the 42M module?

   The module allows selection of bandpass filters to match specific monitoring requirements.

3. How are alarms configured in this module?

   Each channel supports two independently configurable alarms: Alert and Danger.

4. Is buffered output available for each input channel?

   Yes, buffered output is provided for signal analysis and diagnostics via test connectors.

5. Can this module be used in SIL-rated protection systems?

   Yes, when installed in an approved system configuration, the 42M supports SIL 2 compliance.

6. What are the signal types supported by the module?

   It supports both voltage-type proximity signals and dynamic seismic sensor signals.

7. How does the module communicate with the system display and System Monitor?

   Communication is handled over the 3500 backplane bus, requiring no additional cabling.

8. Can vibration trends be accessed in real time?

   Yes, real-time data can be accessed through the System Monitor and external communications gateways.

9. How is redundancy handled in the 42M configuration?

   The 3500 system supports redundant monitoring channels when configured accordingly.

10. Are remote configuration and diagnostics supported?

    Yes, through the 3500 Configuration Software and communication gateway modules.