Bently 3500/40M 140734-01

Description

• Technical Specifications
  • Sensor Compatibility: Designed for Bently Nevada eddy current proximity transducers (3300 XL 8mm/11mm, 3300 Series). Supports 1–4 transducers (1 per channel) with input impedance of 10 kΩ (standard I/O) or 50 kΩ (3-channel TMR parallel configuration).
  • Measurement Parameters & Sensitivity:
    • Radial Vibration/Thrust Position/Eccentricity: 3.94 mV/μm or 7.87 mV/μm (user-selectable)
    • Differential Expansion: 0.394 mV/μm or 0.787 mV/μm (user-selectable)
    • REBAM: 40 mV/μm or 80 mV/μm (user-selectable)
  • Accuracy & Frequency Response:
    • Measurement Accuracy: ±0.33% of full scale (typical), ±1% max (without filtering)
    • Frequency Response: Direct filter (-3 dB at 1.2 Hz), Gap filter (-3 dB at 0.41 Hz); REBAM spike frequency range: 0.152 Hz–8678 Hz (programmable)
  • Power Parameters:
    • Transducer Power Supply: -24 VDC (regulated)
    • Module Power Consumption: 7.7 watts (typical), compatible with 3500 series rack power distribution
  • Output Characteristics:
    • Buffered Outputs: 1 coaxial connector per channel, 550 Ω fixed output impedance, short-circuit protected
    • Alarm/Trip Outputs: Integrates with 3500 rack relay modules via backplane; supports latching/non-latching triggers
  • Physical & Environmental Ratings:
    • Dimensions: 241.3 mm (depth) × 24.4 mm (width) × 120.7 mm (height)
    • Net Weight: 0.4 kg
    • Operating Temperature: -40°C to +85°C (barrier I/O); -30°C to +65°C (standard I/O)
    • Storage Temperature: -50°C to +125°C
    • Protection Rating: IP65 (when installed in sealed rack); conformal-coated PCB for dust/moisture resistance
    • Certifications: ATEX II 2G Ex ib IIC T4, IECEx Ex ib IIC T4, DNV GL, CSA/NRTL/C Class I Division 2
  • Software & Communication:
    • Configuration: 3500 System Configuration Software (v3.30+ required for REBAM); firmware v2.1+
    • Communication: Backplane interface with 3500 rack; supports Modbus TCP/IP, Ethernet/IP via rack interface module
• Function Features
  • Integrated Safety Barriers & Terminations: Internal intrinsically safe barriers eliminate external barrier modules, reducing installation complexity and cost. Internal terminations simplify wiring and minimize signal interference.
  • Multi-Parameter Configurability: Each channel operates in pairs (Channels 1–2, 3–4) to support up to 2 simultaneous monitoring functions (e.g., radial vibration + thrust position). Channels can be independently programmed for different parameters.
  • Dual-Level Alarm/Trip Logic: Users set custom “Alert” (warning) and “Danger” (trip) setpoints for each measured parameter. Supports time-delayed triggers (0.1s–60s) to prevent false alarms and integrate with emergency shutdown systems.
  • REBAM Enhanced Monitoring: Dedicated REBAM channel functionality detects rotor eccentricity, bearing wear, and lubrication issues, providing early warning of catastrophic failures in rotating shafts and bearings.
  • Hot-Swap & Redundancy Support: Enables on-site module replacement without rack shutdown (hot-swap). Compatible with 3500 series TMR (Triple Modular Redundancy) systems for critical applications requiring maximum reliability.
  • Self-Diagnostic Capabilities: Continuously monitors module hardware, sensor connections, and signal integrity. Front-panel LED indicators (Power OK, TX/RX, Channel Active, Alarm) and software fault codes enable rapid troubleshooting.
• Application Scenarios
  • Power Generation Industry: Deployed in thermal, hydro, and nuclear power plants to monitor steam turbines, generators, and feedwater pumps. Tracks rotor radial vibration, thrust position, and differential expansion to detect imbalance, misalignment, and bearing degradation, preventing unplanned power outages.
  • Oil & Gas Industry: Installed on offshore drilling rigs, pipeline compressors, and gas turbines. Withstands high pressure, corrosion, and temperature fluctuations; monitors drill string vibration, compressor rotor position, and turbine shaft eccentricity in hazardous (Class I Division 2) environments.
  • Petrochemical Industry: Used in refineries and chemical plants to monitor reciprocating compressors, gearboxes, and reaction tower auxiliary pumps. Detects seal leakage, valve wear, and shaft misalignment via thrust position and REBAM data, ensuring safe operation in flammable/explosive zones.
  • Marine & Naval Applications: Applied to ship propulsion systems, marine turbines, and offshore platform pumps. Complies with DNV GL maritime standards; operates reliably in salt fog, high humidity, and shock/vibration, safeguarding navigation safety.
  • Metallurgical Industry: Deployed in steel mill rolling mills, blast furnace fans, and air compressors. Withstands high temperatures and dust; monitors roll shaft vibration and bearing condition to avoid production line shutdowns caused by mechanical failures.
  • Heavy Machinery Manufacturing: Integrated into test benches for large industrial pumps, turbines, and motors. Provides precise vibration and position data during product validation, enabling manufacturers to optimize design and ensure compliance with API 670 standards.