Bentley

• Module Type: Keyphasor and Speed Monitoring Module
• Part Number: 145988-02
• System Platform: Bently Nevada 3500 Series Rack
• Input Channels: Accepts signals from one or two Keyphasor or speed sensors (configurable)
• Sensor Compatibility: Compatible with Bently Nevada proximity probes (e.g., 3300 series) and other active or passive speed sensors
• Frequency Range: 0.1 Hz to 20,000 Hz (suitable for low-speed to high-speed machinery)
• Speed Measurement Accuracy: ±0.05% of reading

• Power Supply Module:
  • Input Voltage: 100–240 VAC, 50/60 Hz, 2 A.
  • Output Voltage: 24 VDC (5.5 A max for single power supply; 7.5 A max for redundant setup).
  • Power Capacity: 190–250 W (adjustable based on load).
  • Operating Temperature: 0°C to 60°C (storage: -40°C to 70°C).
  • Protection: Overload, short-circuit, and overvoltage protection.
  • Certifications: Complies with CCC and industrial safety standards.

Technical Specifications

• Input Parameters:
  • Voltage Range: 100–240 VAC (50/60 Hz) with wide compatibility for global power systems .
  • Input Current: ≤2 A at full load (24 VDC, 5 A output) .
  • Efficiency: ≥94% under typical load conditions, minimizing energy loss .
• Output Parameters:
  • Voltage: 24 VDC with ±1% regulation to ensure stable power delivery .
  • Maximum Current: 5 A continuous, supporting up to 14 monitoring modules in a 3500/05 rack .
  • Ripple Noise: <100 mV peak-to-peak for sensitive industrial electronics .

• Input Channels: Supports multiple input channels for connecting proximity probes, velocity sensors, and accelerometers, allowing comprehensive monitoring of machinery vibration and position.
• Communication Interfaces: Equipped with standard communication interfaces such as Modbus/TCP or Ethernet, facilitating integration with distributed control systems (DCS) and other plant management networks.
• Processor Capability: Features robust processing capabilities to handle real-time data acquisition, analysis, and alarming functions efficiently.
• Power Supply: Operates on a specific voltage range suitable for industrial environments, with options for redundant power supplies to ensure uninterrupted operation.
• Environmental Tolerance: Designed to withstand harsh industrial conditions, including resistance to temperature extremes, humidity, and electromagnetic interference.