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BENTLY 3500/42M 135489-02 Product Specification
Product Overview
The BENTLY 3500/42M 135489-02 is a high-precision temperature monitoring module designed for BENTLY’s 3500 Series Machinery Protection System. Engineered to deliver real-time temperature analysis for critical industrial equipment, this module serves as a cornerstone in predictive maintenance strategies across industries such as oil and gas, power generation, and manufacturing. The BENTLY 3500/42M 135489-02 supports up to 8 channels of temperature input, enabling continuous monitoring of bearings, windings, and other high-value components 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 135489-02 processes inputs from thermocouples, RTDs, and analog sensors, converting them into actionable data for real-time analysis. 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 135489-02 acts as a frontline diagnostic tool, detecting early signs of overheating or thermal anomalies that could lead to equipment failure. Its high-resolution analog-to-digital conversion (16-bit) ensures precise 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 135489-02 |
| Manufacturer | BENTLY NEVADA |
| Product Type | Temperature Monitoring Module |
| Input Channels | 8 channels (thermocouples, RTDs, 4–20 mA/0–10 VDC) |
| Temperature Range | -200°C to +1800°C (depending on sensor type) |
| 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 135489-02 supports 8 independent temperature channels, enabling comprehensive analysis of multiple critical points on rotating machinery. This feature is ideal for complex systems like multi-stage turbines, where simultaneous monitoring of bearing and winding temperatures is essential for accurate fault diagnosis.
Universal Sensor Compatibility: The module accepts thermocouples (Types J, K, T, E, R, S, B), RTDs (Pt100, Ni100), and analog signals (4–20 mA/0–10 VDC), eliminating the need for multiple specialized modules. This versatility reduces inventory costs and simplifies system integration in hybrid sensor setups.
Advanced Diagnostic Capabilities: Built-in self-test functions continuously monitor channel health, power supply stability, and thermal conditions, providing real-time feedback via front-panel LEDs and remote HMI displays. The module also stores diagnostic logs for post-fault analysis, enabling proactive maintenance and reducing mean time to repair (MTTR).
Rugged Industrial Design: Constructed with an IP23-rated metal enclosure and anti-vibration mounting brackets, the BENTLY 3500/42M 135489-02 withstands harsh environments, including high temperatures, humidity, and mechanical stress. Its self-shielded design minimizes electromagnetic interference, ensuring reliable measurements in dense industrial installations.
Seamless System Integration: As part of the 3500 Series, the module integrates seamlessly with other BENTLY components (e.g., vibration monitors, power supplies), forming a cohesive protection system. This modularity allows for easy expansion as operational needs evolve, from small-scale setups to large industrial complexes.
Application Areas
The BENTLY 3500/42M 135489-02 is widely deployed in industries where precise temperature monitoring is critical to operational reliability:
-
Power Generation:
- Monitors turbine bearings and generator windings in power plants, detecting early signs of overheating to prevent stator-rotor contact and unplanned outages.
- Supports condition-based maintenance programs by providing real-time temperature data for scheduled repairs, optimizing energy production efficiency.
-
Oil and Gas:
- Controls compressor temperatures in refineries and pipeline pumping stations, preventing thermal degradation of lubricants and ensuring safe fluid transfer.
- Integrates with emergency shutdown systems (ESD) in offshore platforms, triggering alarms or shutdowns during critical temperature excursions.
-
Manufacturing:
- Maintains optimal temperatures in high-speed packaging machinery and robotic arms, enhancing product quality and reducing production losses in automotive and pharmaceutical plants.
- Monitors oven and kiln temperatures in ceramic and glass manufacturing, ensuring process consistency and product compliance.
-
Water/Wastewater Treatment:
- Regulates pump motor temperatures in water treatment facilities, preventing overheating and maintaining consistent water flow.
- Integrates with SCADA systems for remote monitoring of distributed pump stations, enabling proactive maintenance scheduling.
Related Products
- BENTLY 3500/15 114M5335-01: A low-voltage AC power input module that supplies stable 24 VDC to the BENTLY 3500/42M 135489-02, ensuring uninterrupted operation.
- BENTLY 3500/22M 146031-01: A vibration monitoring module that pairs with the BENTLY 3500/42M 135489-02 to provide comprehensive machinery health data, combining vibration and temperature analysis.
- BENTLY 3500/32 129407-01: A speed/torque monitor that correlates temperature data with rotational speed, aiding in fault isolation for turbines and generators.
- BENTLY 3500/92 129410-01: A communication gateway that enables the BENTLY 3500/42M 135489-02 to interface with Ethernet/IP networks, supporting remote diagnostics via cloud-based platforms.
- BENTLY 3500/95 129411-01: A redundant power supply module that ensures continuous operation of the BENTLY 3500/42M 135489-02 in mission-critical applications.
Installation and Maintenance
Pre-installation Preparation:
Before installing the BENTLY 3500/42M 135489-02, ensure the following:
Before installing the BENTLY 3500/42M 135489-02, 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 (thermocouple, RTD, or analog) and set initial alarm thresholds based on equipment 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 BENTLY-certified temperature calibrator 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 features, security patches, and compatibility improvements with newer system versions.
- Sensor Health Checks: Biannual verification of sensor connections and resistance values to detect loose wires or degraded sensors, particularly in high-vibration environments.
Product Warranty
Our company provides a one-year quality warranty for the BENTLY 3500/42M 135489-02, covering hardware failures due to non-human factors. During the warranty period, we will replace any module that exhibits abnormal temperature reading or functional defects. For discontinued models like the BENTLY 3500/42M 135489-02, our global inventory of legacy industrial parts ensures rapid fulfillment of urgent orders. We also offer post-warranty technical support and repair services to maintain your system’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 135489-02 user manual or contact our technical support team for personalized assistance.
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