The BENTLEY NEVADA 3500/53Mis a dual-channel electronic overspeed detection module designed for critical rotating machinery in industries such as oil & gas, power generation, and manufacturing. Built for high reliability, it monitors shaft speed and acceleration using inputs from proximity probes or magnetic sensors. The module features programmable trip points, dual-channel redundancy, and real-time diagnostics to prevent catastrophic failures. Compliant with API 670 and API 612 standards, it integrates seamlessly with the 3500 Series framework for centralized monitoring, ensuring fast response times (<50 ms) and fail-safe operation.
2. Product Parameters
Parameter
Specification
Model
3500/53M
Channels
2 channels (dual redundancy)
Input Types
Eddy current proximity probes or magnetic sensors
Speed Range
0–100,000 RPM (programmable)
Accuracy
±0.01% of reading
Power Supply
24 Vdc ±10% (redundant supply recommended)
Communication
Ethernet, Modbus RTU, CAN
Temperature Range
-30°C to +65°C (operating)
Outputs
4–20 mA analog, digital relays (2-out-of-2/3 voting logic)
Dimensions
241.3 mm × 24.4 mm × 241.8 mm
3. Advantages and Features
Dual-Channel Redundancy: Ensures continuous operation even if one channel fails, reducing downtime risks.
Rapid Response: Detects overspeed in <50 ms, enabling immediate shutdown to protect machinery.
API Compliance: Meets strict safety standards for critical machinery protection.
Built-in Diagnostics: Monitors sensor health, communication integrity, and system status.
Flexible Voting Logic: Supports 2-out-of-2 or 2-out-of-3 configurations for tailored safety.
4. Application Areas and Case Studies
Oil & Gas: Protecting offshore platform turbines and compressors.
Power Generation: Monitoring steam turbines in thermal power plants.
Manufacturing: Controlling conveyor systems in automotive factories.
Case Study: A Middle Eastern refinery reduced unplanned shutdowns by 30% by deploying the 3500/53M to detect overspeed in centrifugal pumps, saving $150,000 annually through predictive maintenance.
5. Competitor Comparison
The 3500/53M stands out due to:
True Dual-Channel Redundancy: Unlike many single-channel alternatives.
Faster Trip Response: 50 ms vs. 80–100 ms in comparable systems.
Integrated API 670 Compliance: Eliminating the need for additional safety modules.
6. Selection Recommendations
Complex Systems: Ideal for multi-unit setups requiring fail-safe redundancy.
High-Risk Environments: Recommended for applications where overspeed could lead to costly damage.
Integration: Pair with the 3500 Series rack for centralized data logging and analysis.
7. Precautions
Sensor Calibration: Ensure probes are aligned within 0.5–1.5 mm for eddy current sensors.
Power Redundancy: Use dual power supplies to avoid single-point failures.
Firmware Updates: Regularly update firmware via BENTLY’s 3500 组态软件 for security and feature enhancements.
山西鑫业达国际贸易有限公司 specializes in BENTLY NEVADA 3500/53M and automation spare parts. Visit www.xydcontrol.com for sales and technical support.
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Full 12-month warranty on all components
Full 12-month warranty on all components
