Bently 3500/25 149369-01
Bently 3500/25 149369-01
Bently 3500/25 149369-01
Bently 3500/25 149369-01

Bently 3500/25 149369-01

  • Dual-Channel Design: Simultaneously processes two keyphasor inputs for redundancy or multi-shaft applications.
  • Enhanced Signal Processing: Converts multi-event-per-turn inputs into once-per-turn signals for accurate timing.
  • Field-Upgradeable Firmware: Allows software updates without replacing hardware.
  • Hazardous Area Compliance: Meets ATEX/IECEx certifications for use in explosive environments.
  • Backward Compatibility: Replaces legacy modules (e.g., 125792-01) while maintaining system integrity.
Case Study: A petrochemical plant reduced compressor misalignment incidents by 30% using the 3500/25 to synchronize vibration analysis with shaft position data.
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Description

BENTLY NEVADA 3500/25 149369-01 Enhanced Keyphasor Module

1. Product Description

The BENTLY NEVADA 3500/25 149369-01 is a half-height, dual-channel module designed for the 3500 Machinery Monitoring System. It converts analog signals from proximity probes or magnetic pickups into digital keyphasor signals, indicating when a shaft’s keyphasor mark aligns with the transducer. This module is critical for precise rotational speed measurements, vibration analysis, and machinery protection in industries such as oil & gas, power generation, and manufacturing. Its enhanced features, including field-upgradeable firmware and advanced signal processing, ensure compatibility with modern and legacy systems.

2. Technical Parameters

Parameter Specification
Model 3500/25 149369-01
Channels 2 (input/output pairs)
Input Signal Range +0.8V to -21.0V (non-isolated) / +5V to -11V (isolated)
Input Impedance ≥21.8 kΩ
Speed Range 1–1,200,000 CPM (0.017–20 kHz)
Output Range 1–99,999 CPM (0.017–1,667 Hz)
Power Supply -24V DC (40 mA max per channel)
Power Consumption 3.2W (typical)
Operating Temperature -30°C to +65°C
Physical Dimensions 119.9 mm × 24.4 mm × 256.5 mm
Weight 0.34 kg
Bently 3500/25 149369-01

Bently 3500/25 149369-01

3. Advantages and Features

  • Dual-Channel Design: Simultaneously processes two keyphasor inputs for redundancy or multi-shaft applications.
  • Enhanced Signal Processing: Converts multi-event-per-turn inputs into once-per-turn signals for accurate timing.
  • Field-Upgradeable Firmware: Allows software updates without replacing hardware.
  • Hazardous Area Compliance: Meets ATEX/IECEx certifications for use in explosive environments.
  • Backward Compatibility: Replaces legacy modules (e.g., 125792-01) while maintaining system integrity.
Case Study: A petrochemical plant reduced compressor misalignment incidents by 30% using the 3500/25 to synchronize vibration analysis with shaft position data.

4. Application Fields and Case Studies

Industries:
  • Oil & gas, power generation, manufacturing, and marine propulsion.
典型应用:
  • Turbines, compressors, pumps, and rotating machinery.
Case Study: A power plant improved generator efficiency by 15% by using the module to synchronize steam turbine speed with grid frequency.

5. Competitive Comparison

The BENTLY NEVADA 3500/25 outperforms alternatives with:
  • Dual-Channel Redundancy: Supports TMR (Triple Modular Redundancy) systems.
  • Wide Speed Range: Handles high-speed machinery up to 20 kHz.
  • Integrated Diagnostics: Provides asset health data for predictive maintenance.
  • Bently 3500/25 149369-01

    Bently 3500/25 149369-01

6. Selection Recommendations

  • Multi-Shaft Systems: Opt for paired configurations (up to 8 channels).
  • Safety-Critical Environments: Choose isolated I/O modules for hazardous areas.
  • Legacy Upgrades: Ensure compatibility with existing 3500 racks and software.

7. Precautions

  • Voltage Compliance: Use isolated I/O modules for magnetic pickup applications requiring external power.
  • Phase Shift Awareness: Isolated modules introduce slight phase shifts; verify alignment with system tolerances.
  • Firmware Updates: Regularly update firmware for optimal performance.

 

山西鑫业达国际贸易有限公司 is your trusted partner for BENTLY NEVADA 3500/25 149369-01 and automation spare parts. Visit www.xydcontrol.com or contact us for sales and technical support.
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