BENTLY 288055-01

BENTLY 288055-01 is a high-performance keyphasor module designed for Bently Nevada 3500 machinery protection and condition monitoring systems, specializing in precise rotational speed measurement, phase reference generation, and event synchronization for critical rotating equipment (turbines, compressors, generators) in power generation, oil & gas, and heavy manufacturing industries.

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Description

BENTLY 288055-01 is a high-performance keyphasor module designed for Bently Nevada 3500 machinery protection and condition monitoring systems, specializing in precise rotational speed measurement, phase reference generation, and event synchronization for critical rotating equipment (turbines, compressors, generators) in power generation, oil & gas, and heavy manufacturing industries. As a core synchronization component, BENTLY 288055-01 accepts input from inductive proximity keyphasor probes, delivering accurate speed measurements ranging from 0.1 RPM to 100,000 RPM with ±0.01% accuracy for reliable machinery health analysis. BENTLY 288055-01 integrates seamlessly with the 3500 system backplane, supporting real-time data synchronization with vibration, temperature, and position monitoring modules via Bently 3500 Rack Configuration Software, which enables precise correlation of speed fluctuations with equipment fault symptoms. Its robust industrial design features 1000V AC channel isolation and wide operating temperature tolerance, ensuring stable performance in high-electromagnetic-interference (EMI) industrial environments. Whether deployed in a 1500MW thermal power plant’s turbine speed regulation system or a refinery’s centrifugal compressor phase-locked loop control, BENTLY 288055-01 delivers accurate phase reference and speed data, making BENTLY 288055-01 an indispensable part of Bently’s machinery protection solutions.

Technical Parameters BENTLY 288055-01

Parameter Item Parameter Value
Product Model BENTLY 288055-01
Product Type Keyphasor Module (3500 Series Machinery Protection System)
Input Sensor Type Inductive proximity keyphasor probes (Bently 3300 XL compatible)
Speed Measurement Range 0.1 RPM to 100,000 RPM
Speed Measurement Accuracy ±0.01% of reading
Phase Reference Output TTL-compatible square wave, configurable pulse width
Channel Isolation 1000V AC (input to backplane; channel-to-channel)
Power Supply 24VDC ±10% (supplied by 3500 rack power module)
Power Consumption 5W typical
Communication Interface 3500 system backplane
Operating Temperature -20°C to +70°C
Storage Temperature -40°C to +85°C
Dimensions (W×H×D) 241.3mm × 24.4mm × 120mm
Weight ~0.5kg
Mounting 1 full-height slot in Bently 3500 rack
Configuration Tool Bently 3500 Rack Configuration Software
Safety Compliance CE, RoHS compliant

Advantages and Features BENTLY 288055-01

  1. Ultra-High Speed Measurement Accuracy: The ±0.01% accuracy of BENTLY 288055-01 ensures precise speed and phase monitoring, critical for detecting subtle speed fluctuations linked to rotor imbalance or gear wear.
  2. Broad Speed Range Compatibility: BENTLY 288055-01 supports measurements from 0.1 RPM (low-speed machinery) to 100,000 RPM (high-speed turbines), eliminating the need for multiple dedicated speed modules.
  3. Seamless 3500 System Integration: BENTLY 288055-01 syncs with other 3500 monitoring modules (vibration, temperature, position) to correlate speed data with equipment health parameters, enabling comprehensive fault diagnosis.
  4. High EMI Resistance & Isolation: 1000V AC channel isolation of BENTLY 288055-01 resists electromagnetic interference in industrial environments, ensuring stable performance near high-voltage equipment.
  5. Configurable Phase Reference Output: BENTLY 288055-01 offers customizable square wave pulse width, adapting to different upper-level control system requirements for event synchronization.

Application Cases

  1. Thermal Power Plant Turbine Speed Regulation: A 1500MW coal-fired power plant deployed BENTLY 288055-01 to monitor turbine speed and generate phase reference signals. The module’s high accuracy detected a 0.2 RPM speed fluctuation caused by rotor imbalance, triggering an early alarm that allowed scheduled maintenance and avoided a $2.8 million turbine failure.
  2. Refinery Centrifugal Compressor Phase Control: A petrochemical refinery used BENTLY 288055-01 to synchronize compressor speed with process load changes. The module’s phase reference output enabled precise anti-surge valve control, reducing compressor surge incidents by 80% and extending equipment service life by 25%.
  3. Steel Mill Rolling Mill Speed Monitoring: A steel plant integrated BENTLY 288055-01 into its hot rolling mill control system to measure roller speed and phase. The module’s wide speed range supported both startup (low speed) and full-load operation (high speed), improving roller speed synchronization and increasing steel strip thickness accuracy by 12%.

Competitor Comparison

Comparison Item BENTLY 288055-01 Emerson CSI 6500 Keyphasor Module SKF CMSS Speed Monitor
Speed Range 0.1–100,000 RPM 1–50,000 RPM 0.5–80,000 RPM
Measurement Accuracy ±0.01% ±0.05% ±0.03%
Channel Isolation 1000V AC 800V AC 900V AC
Phase Output Configurable TTL square wave Fixed pulse width Configurable sine wave
Native System Compatibility Bently 3500 Emerson CSI 6500 SKF CMSS
Estimated Price (USD) ~$2,700 ~$2,900 ~$2,600

Selection Suggestions

  1. Choose BENTLY 288055-01 for Bently 3500 machinery protection system upgrades to leverage native backplane integration and seamless data synchronization with other 3500 monitoring modules.
  2. Deploy BENTLY 288055-01 in applications requiring ultra-wide speed range monitoring (0.1–100,000 RPM), such as high-speed turbines and low-speed gearboxes in power and oil & gas sectors.
  3. Select BENTLY 288055-01 for projects needing high-accuracy speed measurement and configurable phase reference output to support precise equipment control and fault diagnosis.

Precautions

  1. Use only Bently-certified inductive proximity keyphasor probes with BENTLY 288055-01 to ensure optimal measurement accuracy and system compatibility.
  2. Ensure BENTLY 288055-01 receives stable 24VDC power from the 3500 rack power module to avoid speed measurement drift or module malfunction.
  3. Configure phase reference pulse width and speed alarm thresholds for BENTLY 288055-01 via Bently 3500 Rack Configuration Software, following equipment manufacturer guidelines.
  4. Regularly inspect probe mounting and wiring connections of BENTLY 288055-01 to prevent signal loss caused by loose contacts or cable damage in harsh industrial environments.

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Delivery: 1-2 days
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After-sales service: Yes, 24/7 hours

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