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BENTLY 3500/42M 176449-02 02U Product Specification
Product Overview
The BENTLY 3500/42M 176449-02 02U is a high-performance quad-channel temperature monitoring module designed for BENTLY’s 3500 Series Machinery Protection System. Engineered to deliver precise and reliable temperature analysis, this module plays a critical role in safeguarding rotating machinery across industries such as oil and gas, power generation, and manufacturing. The BENTLY 3500/42M 176449-02 02U supports up to 4 channels of temperature input, enabling continuous monitoring of critical components like bearings, windings, and gears in turbines, compressors, and generators. As part of the 3500 Series, it integrates seamlessly with other system modules to form a comprehensive machinery health management solution.
Featuring advanced signal conditioning and diagnostic capabilities, the BENTLY 3500/42M 176449-02 02U processes analog inputs from RTDs (resistance temperature detectors) and thermocouples, converting them into actionable data for predictive maintenance. Its software-configurable design allows users to customize alarm thresholds, filter settings, and data logging parameters, ensuring optimal performance in diverse operational environments. The module’s rugged IP23-rated enclosure and conformal-coated PCBs protect against dust, moisture, and electromagnetic interference (EMI), while its compact form factor (210 mm × 150 mm × 100 mm) and 2 kg weight facilitate easy installation in 19″ control racks.
In automation architectures, the BENTLY 3500/42M 176449-02 02U acts as a frontline diagnostic tool, detecting early signs of overheating or thermal anomalies that could indicate machinery degradation. Its high-resolution analog-to-digital conversion (16-bit) ensures accurate temperature measurements, while the RS-485 communication interface enables seamless integration with PLCs, HMIs, and supervisory control systems. By delivering reliable temperature data, the module helps minimize downtime, extend equipment lifespan, and enhance operational safety in mission-critical applications.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | BENTLY 3500/42M 176449-02 02U |
| Manufacturer | BENTLY NEVADA |
| Product Type | Quad-Channel Temperature Monitoring Module |
| Input Channels | 4 channels (RTD/thermocouple compatible) |
| Temperature Range | -200°C to +850°C (depending on sensor type) |
| Accuracy | ±0.1% of full scale |
| Resolution | 16-bit ADC |
| Communication Interface | RS-485 (Modbus RTU compatible) |
| Power Supply | 24 VDC ±10% |
| Physical Dimensions | 210 mm (W) × 150 mm (H) × 100 mm (D) |
| Weight | 2.1 kg |
| Operating Temperature | -25°C to +60°C |
| Humidity | 5–95% non-condensing |
| Certifications | CE, UL, ISO 10816 |
Main Features and Advantages
Multi-Channel Temperature Monitoring: The BENTLY 3500/42M 176449-02 02U supports simultaneous monitoring of four critical points, enabling comprehensive thermal analysis of complex machinery. This feature is ideal for multi-stage turbines or compressors, where multi-point temperature data is essential for accurate fault diagnosis.
Universal Sensor Compatibility: The module accepts both RTDs (e.g., Pt100) and thermocouples (e.g., J, K, T types), eliminating the need for separate modules and reducing inventory costs. Its auto-ranging capability adjusts to different sensor types without hardware modifications.
Software-Defined Configuration: Users can tailor the module’s settings via BENTLY’s proprietary software, adjusting alarm levels, filter types, and sampling rates to match specific machinery requirements. This flexibility streamlines system deployment in diverse industrial setups.
Rugged Industrial Design: Constructed with an IP23-rated metal enclosure and anti-vibration mounting, the module withstands harsh environments, including high temperatures, humidity, and mechanical stress. Its self-shielded design minimizes electromagnetic interference, ensuring reliable measurements in dense industrial installations.
Real-Time Data Integration: The RS-485 interface enables real-time transmission of temperature data to higher-level control systems, supporting remote monitoring and predictive maintenance. Engineers can access live diagnostics and historical trend data via SCADA platforms, enabling proactive intervention before equipment failures occur.
Application Areas
The BENTLY 3500/42M 176449-02 02U is widely deployed in industries where precise temperature monitoring is critical to operational reliability:
-
Oil and Gas:
- Monitors bearing temperatures in offshore platform compressors and pumps, detecting early signs of overheating to prevent unplanned shutdowns.
- Integrates with emergency shutdown systems (ESD) in refineries, ensuring safety during high-temperature processes like crude oil distillation.
-
Power Generation:
- Analyzes stator and rotor temperatures in steam turbines and generators to optimize performance and prevent thermal damage in power plants.
- Supports condition-based maintenance programs by providing real-time data on generator winding temperatures, enabling scheduled repairs to minimize downtime.
-
Manufacturing:
- Controls oven temperatures in semiconductor fabrication, where ±1°C precision is critical for chip quality and yield.
- Monitors motor bearings in high-speed packaging machinery, predicting maintenance needs to improve overall equipment effectiveness (OEE).
-
Water/Wastewater Treatment:
- Ensures reliable operation of centrifugal pumps by detecting thermal anomalies, maintaining consistent water flow in treatment facilities.
- Integrates with SCADA systems for remote monitoring of distributed pump stations, enabling proactive maintenance scheduling.
Related Products
- BENTLY 3500/42M 129408-01: A legacy temperature monitor module, often used as a direct replacement for the BENTLY 3500/42M 176449-02 02U in older systems.
- BENTLY 3500/15 114M5335-01: A power input module that supplies stable 24 VDC to the BENTLY 3500/42M 176449-02 02U and other 3500 Series components.
- BENTLY 3500/22M 146031-01: A vibration monitoring module that pairs with the BENTLY 3500/42M 176449-02 02U to provide comprehensive machinery health data.
- BENTLY 3500/92 129410-01: A communication gateway that enables the BENTLY 3500/42M 176449-02 02U to interface with Ethernet/IP networks for remote diagnostics.
- BENTLY 3500/32 129407-01: A speed/torque monitor that correlates temperature data with rotational speed, aiding in fault isolation for rotating equipment.
Installation and Maintenance
Pre-installation Preparation:
Before installing the BENTLY 3500/42M 176449-02 02U, ensure the following:
Before installing the BENTLY 3500/42M 176449-02 02U, ensure the following:
- Verify the power supply meets 24 VDC ±10% and that the control rack is properly grounded to prevent electrostatic discharge (ESD). Use a multimeter to confirm voltage stability before connecting the module.
- Use BENTLY’s configuration software to define input channel types (RTD or thermocouple) and set initial alarm thresholds based on machinery specifications.
- Mount the module in a 19″ rack with at least 50 mm of clearance for airflow, securing it with the provided brackets to minimize vibration-induced displacement.
Maintenance Recommendations:
- Routine Inspections: Monthly visual checks of front-panel LEDs (green for normal operation, red for faults) and cleaning of dust from ventilation slots to maintain optimal cooling. Use a soft brush to remove debris without damaging internal components.
- Calibration: Annual calibration of input channels using a certified temperature source to ensure measurement accuracy. This involves applying known temperatures and verifying output signals against standards.
- Firmware Updates: Periodically update the module’s firmware via BENTLY’s software to access new diagnostic features and compatibility improvements, especially when integrating with newer system versions.
- System Testing: Biannual functional tests of alarm relays and communication protocols to ensure compliance with safety standards. Simulate temperature extremes to verify alarm triggers and data transmission reliability.
Product Warranty
Our company provides a one-year quality warranty for the BENTLY 3500/42M 176449-02 02U, covering hardware failures due to non-human factors. During the warranty period, we will replace any module that exhibits abnormal temperature processing or functional defects. For discontinued models like the BENTLY 3500/42M 176449-02 02U, our global inventory of legacy industrial parts ensures rapid fulfillment of urgent orders. We also offer post-warranty technical support, including calibration services and repair solutions, to help maintain your equipment’s reliability throughout its lifecycle.
Contact Information:
Whatsapp: +86 18859254943
E-mail: sales@ygplc.com
Whatsapp: +86 18859254943
E-mail: sales@ygplc.com
Note: This document is based on technical data derived from BENTLY’s official specifications and industry applications. For detailed installation guidelines, refer to the BENTLY 3500/42M 176449-02 02U user manual or contact our technical support team for personalized assistance.
