1. Product Description The BENTLY NEVADA 3500/53M 286566-01 is a high-performance electronic overspeed detection module designed to safeguard rotating machinery in critical industrial applications. Part of the 3500 Series Machinery Health Monitoring System, this module provides redundant, fast-response overspeed protection, complying with API 670 and 612 standards for safety-critical systems. It integrates seamlessly with BENTLY’s 3500 Rack Configuration Software and supports dual-channel or triple-channel voting systems (2/2 or 2/3) to ensure reliability. The 3500/53M monitors shaft speed using proximity probes or magnetic pickups, triggering shutdowns or alarms to prevent catastrophic failures in turbines, compressors, and pumps.
2. Technical Specifications
Parameter
Specification
Model
3500/53M 286566-01
Input Signal
±10 VDC (proximity probe/magnetic pickup)
Input Impedance
20 kΩ
Power Supply
100–240 VAC, 50/60 Hz (via 3500 Rack)
Sensor Power
-24 VDC, 40 mA max
Outputs
4–20 mA analog, relay contacts (5 A max)
Voting System
2/2 or 2/3 (recommended)
Frequency Range
0–10 kHz
Operating Temperature
-30°C to +65°C
Dimensions
241 mm × 24 mm × 254 mm
Weight
0.82 kg
BENTLY 3500/53M
3. Advantages and Features
Redundancy & Safety: Dual or triple-channel voting systems ensure fail-safe operation, minimizing false trips and undetected faults.
API Compliance: Meets rigorous API 670/612 standards for overspeed protection in oil, gas, and power sectors.
Fast Response: <10 ms detection time for rapid shutdown activation.
Flexible Integration: Supports BENTLY’s 3500 Series racks with redundant power supplies and Modbus RTU communication.
User-Friendly: Front-panel LEDs for status monitoring and test mode functionality.
4. Application Areas and Use Cases Industry Applications:
Oil & Gas: Centrifugal compressors, gas turbines.
Power Generation: Steam turbines, generators.
Manufacturing: High-speed rotating equipment.
Case Study: A Middle Eastern refinery reduced unplanned downtime by 40% using the 3500/53M to monitor a gas turbine’s overspeed events. The module’s 2/3 voting system prevented false shutdowns while ensuring timely action during real emergencies.
BENTLY 3500/53M
5. Competitor Comparison
Redundancy: Offers dual/triple-channel configurations in a single module, whereas many competitors require separate units for redundancy.
API Certification: Direct compliance with API 670/612 eliminates the need for additional third-party validation.
Compatibility: Seamless integration with BENTLY’s 3500 Series ecosystem, reducing setup complexity compared to generic solutions.
6. Selection Recommendations
Voting System: Choose 2/3 for critical applications requiring maximum safety.
Rack Compatibility: Ensure a 3500 Rack with redundant power supplies is available.
Sensor Type: Select proximity probes or magnetic pickups based on machinery type (e.g., high-speed shafts vs. large-diameter rotors).
7. Precautions
Signal Isolation: Use shielded cables to prevent electromagnetic interference.
Calibration: Regularly verify sensor alignment and module response using BENTLY’s 3500/05 Calibration Interface.
Software Updates: Maintain firmware updates to access the latest safety features.
山西鑫业达国际贸易有限公司 provides BENTLY NEVADA 3500/53M 286566-01 and automation solutions. Visit www.xydcontrol.com for technical support and product inquiries.
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Full 12-month warranty on all components
Full 12-month warranty on all components
