Description
Detailed parameter table
Parameter name | Parameter value |
Product model | 3500/42M 140734-02 |
Manufacturer | Bently Nevada |
Product category | Machinery Protection System Vibration Monitor |
Channel configuration | 4 independent monitoring channels |
Measurement type | Radial vibration, axial position, differential expansion |
Frequency range | 0.1 Hz to 10 kHz |
Sampling rate | 256 samples per second per channel (continuous), 12,800 sps (transient) |
Accuracy | ±0.2% of full scale |
Alarm capability | Configurable dual alarm levels per channel (Alert, Danger) |
Communication support | Integrated data communication for network integration |
Operating voltage | 5 VDC, ±15 VDC (from 125744-02 rack backplane) |
Power consumption | 8 W typical, 10 W maximum |
Operating temperature | 0°C to +60°C (32°F to +140°F) |
Form factor | 3500 system rack mount (2 slot width) |
Dimensions | 266 mm (H) × 72 mm (W) × 229 mm (D) (10.5″ × 2.8″ × 9.0″) |
Compatibility | 125744-02 racks, 1900/65A-01-02-01-00-00 monitors, 136711-01 cables |
Certification | UL, CE, RoHS compliant, IEC 61010-1 approved |
BENTLY 3500/42M 140734-02
Product introduction
The 3500/42M 140734-02 from Bently Nevada is a specialized vibration monitoring module within the 3500 Machinery Protection System lineup, designed to deliver advanced measurement capabilities with enhanced communication features. This 2-slot module builds upon the core functionality of the 3500/42M series, emphasizing seamless data integration with broader industrial monitoring networks while maintaining precise vibration, position, and expansion measurements. Bently Nevada’s 3500/42M 140734-02 serves as a critical data hub that connects raw sensor inputs to both local protection logic and enterprise-level maintenance systems, making it a versatile solution for medium to large-scale industrial monitoring applications.
As a key measurement component, 3500/42M 140734-02 converts signals from proximity probes, vibration sensors, and expansion transducers (connected via 136711-01 cables) into actionable machinery health metrics. Installed in 125744-02 racks and configured through 136180-01 modules, it provides real-time protection through configurable alarms while enabling data sharing with complementary systems like the 1900/65A-01-02-01-00-00 for distributed monitoring setups. This module excels in applications requiring both centralized protection and decentralized data visualization across multiple plant areas.
Core advantages and technical highlights
Enhanced data communication: A defining feature of 3500/42M 140734-02 is its robust communication capabilities, enabling seamless data transmission to both local display modules and remote enterprise systems. This facilitates integrated monitoring architectures where critical vibration data from 3500 systems can be shared with distributed 1900/65A-01-02-01-00-00 monitors, providing consistent visibility across plant operations.
Precision multi-parameter monitoring: Building on the 3500/42M legacy, this module delivers ±0.2% full-scale accuracy across four channels, supporting radial vibration, axial position, and differential expansion measurements. Its 0.1 Hz to 10 kHz frequency range ensures capture of both low-frequency positional changes and high-frequency vibration components, critical for detecting early-stage machinery faults.
Scalable protection logic: Each channel features independently configurable dual alarm levels with adjustable time delays and latching behavior, allowing customized protection strategies tailored to specific machinery types. This scalability ensures the module can adapt to diverse applications, from high-speed turbines to low-speed pumps, while maintaining consistent alarm philosophy across plant-wide monitoring systems.
Seamless ecosystem integration: The module maintains compatibility with key 3500 components like 136180-01 configuration modules and 133388-01 transient monitors, while its communication capabilities enable integration with 1900 series devices such as the 1900/65A-01-02-01-00-00. This interoperability ensures a unified monitoring approach, whether deploying standalone 3500 systems or hybrid architectures combining 3500 and 1900 components.
Typical application scenarios
Large-scale manufacturing complexes
In multi-facility manufacturing environments, 3500/42M 140734-02 modules installed in central equipment racks monitor critical rotating machinery such as main drive motors and precision gearboxes. Their enhanced communication capabilities allow vibration data to be transmitted to distributed 1900/65A-01-02-01-00-00 monitors located in area control rooms, providing localized visibility while maintaining centralized protection logic. This architecture ensures maintenance teams across different plant sections have access to relevant machinery health data without compromising protection system integrity.
Power generation plants
Power plants utilize 3500/42M 140734-02 modules to monitor turbine-generator sets, capturing vibration data from bearings, axial thrust position, and rotor expansion. The module integrates with plant-wide SCADA systems through its communication interface, while sharing critical measurements with 1900/65A-01-02-01-00-00 monitors in auxiliary control areas. This setup enables both turbine specialists in central control rooms and auxiliary operators in local control areas to access relevant machinery health information, supporting coordinated maintenance decisions.
Petrochemical refineries
In refinery operations, 3500/42M 140734-02 modules monitor compressor trains and pump stations, with their communication features enabling data aggregation into refinery-wide asset management systems. The modules share key vibration metrics with 1900/65A-01-02-01-00-00 monitors located in process unit control rooms, allowing process operators to correlate vibration trends with process conditions. This integration helps distinguish between machinery faults and process-induced vibrations, reducing false alarms while ensuring timely response to genuine mechanical issues.
BENTLY 3500/42M 140734-02
Related model recommendations
125744-02: Rack assembly that houses and powers the 3500/42M 140734-02 module.
136180-01: Configuration module for programming monitoring parameters and alarm logic.
1900/65A-01-02-01-00-00: Distributed monitor for localized visualization of shared data.
136711-01: Sensor cable for connecting proximity probes and vibration sensors.
133388-01: Transient monitor for high-speed data capture during alarm conditions.
3500/60 163179-01: Central display module for visualizing data from multiple 3500 modules.
123M4610: USB cable for local configuration when direct access is required.
Installation, commissioning and maintenance instructions
Installation
Before installing 3500/42M 140734-02, verify compatibility with the target 125744-02 rack firmware and ensure two adjacent slots are available. Confirm the rack power supply can accommodate the 10 W maximum load. Mount the module securely in the rack, ensuring proper backplane connection. Connect sensors using shielded 136711-01 cables, following polarity markings and torque specifications. Establish communication links to enterprise systems and any connected 1900/65A-01-02-01-00-00 monitors, ensuring proper network configuration.
Commissioning
After installation, configure the module using 136180-01 configuration tools or direct USB connection with 123M4610 cables. Set input types, measurement ranges, and alarm thresholds based on machinery specifications. Establish communication parameters to ensure seamless data sharing with distributed systems like the 1900/65A-01-02-01-00-00. Verify measurement accuracy using calibrated test signals and confirm alarm functionality by simulating abnormal conditions. Synchronize time settings with other system components to ensure consistent data timestamps across the monitoring network.
Maintenance
Include 3500/42M 140734-02 in quarterly system inspections, verifying status indicators, communication links, and backplane connections. Perform annual calibration using certified vibration standards to maintain measurement accuracy. Check data transmission integrity to connected systems, including 1900/65A-01-02-01-00-00 monitors, ensuring consistent data flow. Download and archive trend data periodically to support predictive maintenance. Update firmware during scheduled system upgrades to maintain compatibility with the latest configuration tools and communication protocols.
Service and guarantee commitment
Bently Nevada provides the 3500/42M 140734-02 with a 36-month warranty covering manufacturing defects and performance issues, including measurement accuracy, communication functionality, and component reliability under normal operating conditions. Our technical support team offers specialized guidance on system integration, including optimal configuration for communication with 1900/65A-01-02-01-00-00 monitors and other enterprise systems.
We offer comprehensive training on module programming, communication setup, and diagnostic interpretation specific to 3500/42M 140734-02. Beyond the warranty period, our service agreements include calibration verification, technical support, and expedited replacement services to minimize downtime. Bently Nevada’s commitment to quality ensures reliable performance throughout the module’s operational lifecycle, backed by our global network of service professionals.
Full 12-month warranty on all components
Dedicated after-sales support
Same-day dispatch on 1000s of parts
All units are fully tested
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One of our team will be in touch to confirm your part(s) specification and condition. - 3. Your quote
You will receive a comprehensive quote tailored to your specific needs.