Description
Detailed parameter table
| Parameter name | Parameter value |
| Product model | 3500/40M 140734-01 |
| Manufacturer | Bently Nevada |
| Product category | Machinery Protection System Vibration Monitor |
| Channel configuration | 4 independent monitoring channels |
| Measurement type | Radial vibration, axial vibration, casing vibration |
| Frequency range | 0.1 Hz to 10 kHz |
| Sampling rate | 256 samples per second per channel (continuous) |
| Accuracy | ±0.2% of full scale |
| Alarm capability | Configurable dual alarm levels per channel (Alert, Danger) |
| Input type support | Accelerometers, velocity sensors, proximity probes |
| Operating voltage | 5 VDC, ±15 VDC (from 3500/15 106M1079-01 power supply) |
| 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 | 3500/05-01-02-00-00-00 modules, 330180-X1-CN sensors, 3500 racks |
| Certification | UL, CE, RoHS compliant, IEC 61010-1 approved |
BENTLY 3500/40M140734-01
Product introduction
The 3500/40M 140734-01 from Bently Nevada is a high-performance vibration monitoring module in the 3500 Machinery Protection System, designed to provide continuous protection and condition monitoring for rotating machinery. This 2-slot module specializes in capturing and analyzing vibration data from various sensor types, serving as a critical component in early fault detection and machinery health assessment. As a versatile monitoring solution, it bridges the gap between raw sensor inputs and actionable insights, with its data seamlessly integrated into broader system communication via modules like 3500/05-01-02-00-00-00.
Bently Nevada’s 3500/40M 140734-01 accepts signals from accelerometers, velocity sensors, and proximity probes (including 330180-X1-CN sensors) to monitor radial, axial, and casing vibrations across four independent channels. Installed in 3500 series racks and powered by 3500/15 106M1079-01 supplies, it processes vibration signals in real-time to detect anomalies such as imbalance, misalignment, and bearing wear. The module’s analysis results and alarm status are transmitted through 3500/05-01-02-00-00-00 communication modules to control systems and asset management platforms, enabling both immediate protective actions and long-term condition trending.
Core advantages and technical highlights
Multi-sensor compatibility: A key strength of 3500/40M 140734-01 is its ability to interface with multiple sensor types—accelerometers, velocity sensors, and proximity probes—without requiring external signal conditioning. This flexibility allows the module to adapt to diverse monitoring scenarios, from bearing vibration monitoring with accelerometers to shaft vibration measurement using 330180-X1-CN proximity probes.
Precision vibration analysis: The module delivers ±0.2% full-scale accuracy across a 0.1 Hz to 10 kHz frequency range, ensuring detection of both low-frequency structural vibrations and high-frequency bearing faults. Its advanced signal processing algorithms filter noise and extract meaningful vibration characteristics, providing reliable data for both protection and diagnostic purposes.
Configurable alarm logic: Each of the four channels features independently configurable dual alarm levels (Alert and Danger) with adjustable time delays, enabling customized protection strategies tailored to specific machinery requirements. This flexibility prevents nuisance alarms while ensuring critical faults trigger immediate responses, with alarm status efficiently communicated via 3500/05-01-02-00-00-00 modules.
Seamless ecosystem integration: 3500/40M 140734-01 integrates fully with the 3500 system architecture, sharing processed vibration data with communication modules like 3500/05-01-02-00-00-00 for transmission to control systems. It also coordinates with transient modules such as 3500/22M to provide correlated data during both steady-state operation and transient events, offering a comprehensive view of machinery health.
Typical application scenarios
Turbine vibration protection
In power generation facilities, 3500/40M 140734-01 modules monitor turbine vibration using 330180-X1-CN proximity probes and casing accelerometers. They continuously track radial shaft vibration and casing vibration patterns, detecting early signs of rotor imbalance or bearing degradation. Critical alarm signals are transmitted via 3500/05-01-02-00-00-00 modules to DCS systems, triggering alarms or shutdown sequences when vibration exceeds safe thresholds. Simultaneously, trend data is sent to asset management systems for long-term condition analysis.
Pump and motor monitoring
Industrial pump and motor installations utilize 3500/40M 140734-01 to monitor bearing and structural vibrations. The module connects to accelerometers mounted on motor and pump bearings, capturing vibration data that indicates bearing health and alignment conditions. Through integration with 3500/05-01-02-00-00-00 communication modules, this data is made available to maintenance teams via Modbus RTU or Ethernet/IP, enabling predictive maintenance scheduling before catastrophic failures occur.
Compressor health management
In oil and gas processing, 3500/40M 140734-01 modules monitor centrifugal compressor vibrations across multiple stages. They analyze axial vibration to detect thrust bearing issues and radial vibration to identify impeller imbalance or seal wear. The module’s data, transmitted through 3500/05-01-02-00-00-00 to SCADA systems, helps operators balance production efficiency with machinery protection, optimizing compressor performance while preventing unplanned downtime.
Related model recommendations
3500/05-01-02-00-00-00: Communication module transmitting the module’s data to control systems.
330180-X1-CN: Proximity sensor providing shaft vibration data to the monitoring module.
3500/15 106M1079-01: Power supply module providing regulated power to the monitoring system.
3500/22M: Transient module for capturing high-speed vibration events alongside steady-state data.
3500/25 184684-01: Relay module triggering protective actions based on alarm signals.
133300-01: Interface cable facilitating connections between communication modules and control systems.
133292-01: Serial cable supporting Modbus RTU communication from the system.
3500/60 163179-01: Display module visualizing vibration data and alarm status.
BENTLY 3500/40M140734-01
Installation, commissioning and maintenance instructions
Installation
Install 3500/40M 140734-01 in a 3500 series rack with a properly configured 3500/15 106M1079-01 power supply, ensuring two adjacent slots are available. Connect sensors to the module’s input terminals using shielded cables, with 330180-X1-CN proximity probes connected to dedicated channels as needed. Route sensor cables away from high-voltage lines and noise sources to preserve signal integrity. Establish backplane communication with 3500/05-01-02-00-00-00 modules for data transmission. Secure all connections with appropriate torque (0.5-0.6 N·m) to prevent vibration-induced loosening.
Commissioning
After installation, configure 3500/40M 140734-01 using 3500 configuration software to set sensor types, measurement ranges, and frequency filters for each channel. Calibrate each input using reference signals to ensure ±0.2% accuracy. Program alarm thresholds, time delays, and logic based on machinery specifications and operational requirements. Verify communication with 3500/05-01-02-00-00-00 modules by confirming data transmission to control systems. Perform functional tests by simulating vibration events and verifying proper alarm activation and reporting.
Maintenance
Include 3500/40M 140734-01 in quarterly system inspections, checking status indicators and verifying proper power supply from 3500/15 106M1079-01 modules. Perform annual calibration verification using calibrated vibration sources to ensure measurement accuracy. Inspect sensor connections for corrosion or looseness, particularly for 330180-X1-CN probes where proper alignment is critical. Monitor communication status with 3500/05-01-02-00-00-00 modules to ensure uninterrupted data flow. Update firmware during scheduled system upgrades to maintain compatibility with other system components.
Service and guarantee commitment
Bently Nevada provides the 3500/40M 140734-01 with a 36-month warranty covering manufacturing defects and performance issues under normal operating conditions, including measurement accuracy, alarm functionality, and component reliability when powered by compatible supplies like 3500/15 106M1079-01. Our technical support team offers expert guidance on module configuration, sensor integration, and troubleshooting interactions with communication modules like 3500/05-01-02-00-00-00.
We offer specialized training on vibration analysis, module programming, and maintenance procedures specific to 3500/40M 140734-01. Beyond the warranty period, our service agreements include calibration services, technical support, and expedited replacement to minimize monitoring downtime. Bently Nevada’s commitment to quality ensures reliable vibration monitoring throughout the module’s operational lifecycle, backed by our global network of service professionals.
