BENTLY 3500/42M 176449-02

Description

Detailed parameter table

BENTLY 3500/42M 176449-02

Product introduction

The 3500/42M 176449-02 from Bently Nevada is an advanced combined vibration and position monitoring module designed for the 3500 Machinery Protection System, offering integrated measurement capabilities for critical rotating equipment parameters. This 2-slot rack-mounted module merges vibration analysis and shaft position monitoring into a single, compact solution, providing comprehensive machinery health data through its four configurable channels.

Unlike separate vibration and position modules, 3500/42M 176449-02 delivers synchronized measurement of both parameters, enabling direct correlation between vibration patterns and shaft movement. It seamlessly integrates with communication modules like the 3500/53 133388-01 for data transmission to control systems and with display modules such as 3500/60 163179-01 for real-time visualization, creating a streamlined monitoring ecosystem.

In industrial machinery protection, 3500/42M 176449-02 plays a vital role in detecting complex fault conditions that involve both vibration and position anomalies—such as rotor rub, bearing wear, or misalignment. By capturing these interrelated parameters simultaneously, it provides deeper diagnostic insights that support more accurate fault identification and targeted maintenance strategies across power generation, oil and gas, and manufacturing industries.

Core advantages and technical highlights

Integrated measurement capabilities: 3500/42M 176449-02 combines vibration and position monitoring in a single module, eliminating the need for separate specialized units. Each of its four channels can be configured for either vibration (displacement, velocity, acceleration) or position measurement, providing flexibility to match specific machinery monitoring requirements. This integration ensures perfect synchronization between vibration and position data, critical for analyzing phenomena like shaft orbit patterns that reveal misalignment or bearing issues.

Dual-parameter correlation: The module’s ability to simultaneously measure vibration and position enables direct correlation between these parameters, revealing fault conditions that might go undetected by single-parameter monitoring. For example, it can identify when increased vibration coincides with axial shaft movement—indicating thrust bearing degradation—or when radial vibration correlates with shaft position changes—signaling rotor instability. This correlative data is essential for accurate root cause analysis of complex machinery issues.

Enhanced diagnostic capabilities: 3500/42M 176449-02 includes advanced signal processing features such as shaft orbit analysis, Bode plots, and polar plots that combine vibration and position data for comprehensive machinery diagnostics. These specialized visualizations help identify specific fault patterns, enabling maintenance teams to distinguish between similar-looking vibration signatures that have different root causes. The module’s data is readily accessible via 3500/53 133388-01 communication modules for advanced analysis in diagnostic software.

Seamless system integration: Designed for the 3500 architecture, the module communicates via the system backplane with other components, including 3500/53 133388-01 for data transmission to external systems. It maintains precise timing synchronization with the entire 3500 system, ensuring that vibration and position data correlate accurately with process parameters from other modules. This integration supports a holistic approach to machinery health monitoring and diagnostics.

Typical application scenarios

In gas turbine power plants, 3500/42M 176449-02 modules monitor turbine rotor vibration and shaft position simultaneously, with dedicated channels tracking radial vibration, axial position, and casing expansion. The module detects correlations between increased vibration and axial movement that indicate thrust bearing wear, while its orbit analysis capabilities identify rotor bow or misalignment issues. Data from the module is transmitted via 3500/53 133388-01 to both the control system for protection and to diagnostic platforms for trend analysis, supporting condition-based maintenance of these critical assets.

Refineries utilize 3500/42M 176449-02 in centrifugal compressor monitoring systems, where the module tracks both impeller vibration and shaft position. It identifies when vibration increases coincide with shaft position changes—indicating potential rotor rub or seal degradation—and triggers alerts displayed on 3500/60 163179-01 screens. This early warning enables maintenance before catastrophic failure, preventing unplanned shutdowns in continuous processing operations.

Steel mills employ 3500/42M 176449-02 to monitor rolling mill drive trains, combining vibration measurements on gearboxes with shaft position monitoring on motors and rolls. The module detects misalignment by correlating radial vibration patterns with shaft position data, while identifying bearing degradation through the relationship between axial movement and vibration harmonics. This data is integrated via 3500/53 133388-01 with the mill’s process control system, optimizing maintenance scheduling for maximum production uptime.

BENTLY 3500/42M 176449-02

Related model recommendations

3500/53 133388-01: Communication module transmitting data from this vibration/position monitor.

3500/60 163179-01: Display module visualizing integrated vibration and position data.

3500/15 127610-01: Power supply module providing regulated power to this monitoring module.

330106-05-30-10-02-00: Proximity probe system compatible with this module’s input channels.

3500/22M 138607-01: Transient module triggered by alarms from this combined monitor.

177230-01-01-05: Extension cable connecting sensors to this vibration/position module.

3500/32 125712-01: Multi-parameter monitor whose data correlates with this module’s measurements.

3500/25 184684-01: Relay module executing protective actions based on this monitor’s alarms.

Installation, commissioning and maintenance instructions

Installation preparation: Before installing 3500/42M 176449-02, verify the 3500 rack has two adjacent slots available and a properly sized 3500/15 127610-01 power supply. Prepare sensor cabling using shielded twisted-pair wiring (like 177230-01-01-05) for each channel, routing separately from power wiring to minimize interference. For position measurements, ensure proper alignment between proximity probes and target surfaces. Confirm the installation environment maintains temperatures within 0°C to +60°C with adequate ventilation.

Maintenance suggestions: Include 3500/42M 176449-02 in quarterly system inspections, verifying all four channels display stable readings within expected ranges. Perform annual calibration verification using calibrated vibration and position sources to ensure measurement accuracy across all operating ranges. Inspect sensor connections for corrosion or loosening, cleaning terminals with approved contact cleaner as needed. Coordinate firmware updates with 3500/53 133388-01 and other system components to maintain compatibility. Review alarm correlations between vibration and position parameters to optimize threshold settings for specific machinery conditions.

Service and guarantee commitment

Bently Nevada provides the 3500/42M 176449-02 with a 36-month warranty covering manufacturing defects and performance issues under normal operating conditions, including measurement accuracy, alarm functionality, and communication reliability when used with compatible 3500 series components like 3500/53 133388-01 and 3500/15 127610-01. Our technical support team offers expert guidance on sensor selection, channel configuration, and diagnostic methodologies specific to this combined monitoring module.

We offer specialized training on vibration and position analysis, module configuration, and advanced diagnostic techniques to maximize the value of data from 3500/42M 176449-02. Beyond the warranty period, our service agreements include calibration services, technical support, and expedited replacement to minimize system downtime. Bently Nevada’s commitment to quality ensures reliable integrated monitoring throughout the module’s operational lifecycle, backed by our global network of service professionals dedicated to protecting your critical machinery assets.