Description
Detailed parameter table
| Parameter name | Parameter value |
| Product model | Associated with 3500/40M, part number 140734 – 01 |
| Manufacturer | BENTLY NEVADA |
| Product category | Proximitor monitor module |
| Electrical performance | Operating voltage: 24 VDC; Power consumption: 5.8 watts (typical); Frequency range: 50/60 Hz; Output signal: 4 – 20 mA; Max switched current: 2 A; Max switched voltage: 250 VAC |
| Physical size | Height: 9.50 in. (24.13 cm), Width: 0.96 in. (2.44 cm), Depth: 3.90 in. (9.91 cm); Weight: approximately 0.8 kg (1.76 lb) |
| Input type | Accepts input from BENTLY NEVADA proximity transducers |
| Monitoring functions | Capable of measuring radial vibration, thrust position, differential expansion, and eccentricity. Can also generate various vibration and position measurements after processing the input signal |
| Alarm configuration | User – programmable alarms for different parameters. Each channel can be configured with alert setpoints for active values and danger setpoints for specific values |
| Accuracy | Direct frequency and gap accuracy is ±0.33% of the full scale, with a maximum of ±1% |
| Sensitivity | Radial vibration sensitivity can be 3.94 mV/μm or 7.87 mV/μm depending on the configuration |
| Environmental requirements | Operating temperature: -30°C to +65°C (-22°F to +149°F); Storage temperature: -40°C to +85°C (-40°F to +185°F); Humidity: 95%, non – condensing |
| Installation method | Rack – mountable in 3500 series racks; Occupies 1 standard slot |
| Certifications | CE, UL, ATEX |
BENTLY 140734-01
Product introduction
The BENTLY NEVADA 140734 – 01, as an integral part of the 3500/40M Proximitor Monitor, is a high – precision and reliable module designed for critical machinery protection and monitoring in industrial settings. This four – channel monitor plays a pivotal role in gathering and processing data related to the vibration and position of rotating machinery.
By accepting input from BENTLY NEVADA proximity transducers, it acts as a signal conditioner, converting the raw data into meaningful measurements that are essential for assessing the health of machinery. Whether it’s a large – scale power generation turbine, a high – speed compressor in an oil refinery, or a precision – engineered motor in a manufacturing plant, the 140734 – 01 module is up to the task of providing accurate and real – time information.
Core advantages and technical highlights
High – precision measurement: The 140734 – 01 module is engineered to offer extremely accurate measurement of machinery vibration and position. With an accuracy of ±0.33% of the full scale (max ±1%), it can precisely detect even the slightest changes in the operating conditions of equipment. For example, in a power plant turbine, it can accurately measure the radial vibration of the shaft, which is crucial for preventing catastrophic failures due to excessive vibration.
Multi – function monitoring: It has the versatility to perform multiple monitoring functions. Each of its four channels can be programmed, using the 3500 rack configuration software, to monitor radial vibration, thrust position, differential expansion, and eccentricity. This multi – parameter monitoring capability provides a comprehensive view of the machinery’s health. In a petrochemical compressor, for instance, it can simultaneously monitor the axial thrust position and the differential expansion of the casing, helping operators to detect early signs of misalignment or thermal stress.
Real – time data provision: The module ensures that real – time vibration and position data are available to operators and maintenance teams. This enables immediate response to any abnormal conditions. In a manufacturing facility with high – speed production lines, real – time data from the 140734 – 01 can alert operators to potential equipment failures, such as bearing wear or shaft misalignment, in time to prevent production line stoppages.
User – programmable alarms: The ability to set user – programmable alarms is a significant advantage. Operators can define alert and danger setpoints for various monitored parameters. Once the measured values exceed these setpoints, the system can trigger alarms, notifying the relevant personnel. In an oil and gas refinery, if the vibration levels of a pump exceed the preset danger level, the alarm system driven by the 140734 – 01 module can prompt maintenance staff to take immediate action, preventing further damage to the equipment.
Robust construction: Built to withstand harsh industrial environments, the 140734 – 01 module has a wide operating temperature range from -30°C to +65°C and can endure high humidity levels up to 95% non – condensing. Its epoxy – sealed construction protects against environmental factors, ensuring consistent performance over time. In a chemical plant, where the environment may be corrosive due to the presence of various chemicals, the robust construction of the module ensures its reliable operation.
Typical application scenarios
Power generation plants: In power plants, the 140734 – 01 is used to monitor turbines, generators, and other rotating equipment. It measures the radial vibration of turbine shafts, which can indicate bearing wear or imbalance. By continuously monitoring the differential expansion of the turbine casing, it helps prevent damage caused by thermal stress. The real – time data and alarm functions enable operators to take proactive measures, such as scheduling maintenance during planned outages, to avoid costly unplanned shutdowns and ensure a stable power supply.
Oil and gas refineries: In refineries, this module is employed to monitor pumps, compressors, and motors. It measures the thrust position of compressor shafts, which is critical for maintaining proper alignment and preventing seal failures. By monitoring the vibration of pumps, it can detect issues like cavitation or impeller damage. The 140734 – 01’s ability to operate in harsh, corrosive environments makes it an ideal choice for refinery applications, where equipment reliability is essential for continuous production.
Manufacturing facilities: In manufacturing plants, especially those with high – speed production lines, the 140734 – 01 monitors the health of motors, gearboxes, and other rotating components. It can measure the eccentricity of motor shafts, which may indicate misalignment or bearing problems. Real – time vibration data helps operators detect early signs of component wear, allowing for proactive maintenance. This reduces downtime, improves production efficiency, and ultimately increases the overall productivity of the manufacturing facility.
BENTLY 140734-01
Related model recommendations
3500/92 – 02 – 01 – 00: As a communication gateway module, it can be paired with the 140734 – 01. The 3500/92 – 02 – 01 – 00 can transmit the data collected by the 140734 – 01 to external control systems, such as a DCS or a SCADA system, for further analysis and decision – making. This integration enables comprehensive monitoring and control of the entire industrial process.
3500/33 – 01 – 00 149986 – 01: A vibration monitor module that can complement the 140734 – 01. While the 140734 – 01 focuses on multiple parameters including position and vibration, the 3500/33 – 01 – 00 can provide additional detailed vibration analysis. Together, they can offer a more in – depth understanding of the machinery’s vibration characteristics.
149992 – 01: A shielded cable assembly that is crucial for connecting sensors to the 3500 series modules, including the 140734 – 01. In electrically noisy industrial environments, this cable assembly helps maintain signal integrity, ensuring accurate data transmission between the proximity transducers and the 140734 – 01 module.
3500/20: A rack interface module that works in tandem with the 140734 – 01. It facilitates communication between the 140734 – 01 and other modules in the 3500 series rack, ensuring seamless data flow within the monitoring system. This is essential for aggregating data from multiple sources and presenting a holistic view of machinery health.
3500/15: A redundant power supply module. In critical applications where continuous operation is vital, the 3500/15 can be used to power the 140734 – 01. In case of a primary power failure, it provides backup power, ensuring that the monitoring function of the 140734 – 01 remains uninterrupted, and machinery protection is not compromised.
3500/50: A display module that can be used in combination with the 140734 – 01. The 3500/50 can display real – time data received from the 140734 – 01, allowing for local monitoring and quick visual inspection of machinery parameters. This is useful for on – site operators who need to quickly assess the status of the equipment without accessing a remote control system.
Installation, commissioning and maintenance instructions
Installation preparation: Before installing the 140734 – 01 module, ensure that the 3500 series rack is powered off and properly grounded. Inspect the module for any signs of damage during transit. Tools required for installation include a torque wrench (set to the appropriate torque value for terminal block connections, typically around 0.5 – 0.7 Nm), a Phillips screwdriver, and an anti – static wrist strap. Verify that the installation environment meets the specified temperature and humidity requirements. Align the module with the rack guides and gently insert it into the standard slot until the backplane connector is fully engaged. Secure the module in place using the provided mounting screws.
Commissioning: After installation, power on the 3500 series rack. Use the BENTLY NEVADA 3500 rack configuration software to program each channel of the 140734 – 01 module. This includes setting up the monitoring functions (such as radial vibration, thrust position, etc.), configuring the sensitivity, and setting the alarm setpoints. Connect the proximity transducers to the module and test the data acquisition. Check the LED indicators on the module; a steady “OK” LED indicates proper operation, and blinking “TX/RX” LEDs show data transmission and reception.
Maintenance suggestions: Perform regular visual inspections of the 140734 – 01 module, at least once a quarter. Check for loose connections, signs of overheating (such as discolored components or a burnt smell), and dust accumulation. Clean the module surface with a dry, lint – free cloth to prevent dust from interfering with the operation. Periodically review the data logs, if available, to detect any abnormal trends in the monitored parameters. Calibrate the module’s sensitivity and accuracy annually, especially if there have been changes in the operating environment or connected equipment. In case of any hardware – related issues, consult the BENTLY NEVADA technical support team and use only genuine replacement parts to ensure compatibility and reliable operation. Keep a detailed maintenance log, recording all inspection results, calibration details, and any repairs or replacements carried out on the module.
Service and guarantee commitment
The 140734 – 01 module comes with a 12 – month warranty covering manufacturing defects. During this period, BENTLY NEVADA will provide free repair or replacement of faulty units. Our dedicated technical support team is available 24/7 to assist with installation, configuration, and troubleshooting. We offer comprehensive documentation, including user manuals, configuration guides, and technical specifications, to help customers make the most of the module’s capabilities.
For critical applications where continuous operation is essential, optional extended warranties (up to 3 years) are available. These extended warranties include priority technical support, on – site assistance in case of major issues, and regular health checks of the module. Backed by BENTLY NEVADA’s decades of experience in machinery protection and monitoring, the 140734 – 01 module is guaranteed to deliver reliable and accurate monitoring, ensuring the safety and efficiency of your industrial machinery.
