Bently Nevada 126648-02 Isolated Keyphasor I/O Module

The Bently Nevada 126648-02 Isolated Keyphasor I/O Module is designed to interface with magnetic pickups, providing electrical isolation for Keyphasor signals in industrial monitoring systems. It is primarily used in rotating machinery monitoring, vibration analysis, and condition monitoring. The module ensures that Keyphasor signals are reliably transmitted without interference, supporting accurate shaft speed and phase measurements.

Technical Specifications

• Part Number: 126648-02
• Manufacturer: Bently Nevada
• Series: 3500
• Product Type: Isolated Keyphasor I/O Module (External Terminations)
• Power Consumption: 3.2 Watts (typical)
• Input Signal Range:
  • Isolated I/O modules: +5V to -11V
  • Non-Isolated I/O modules: +0.8V to -21V
• Input Impedance: 21.8 kΩ minimum
• Dimensions: 5.1 x 20.3 x 33 cm
• Weight: 1.4 kg
• Country of Origin: United States (USA)
• Shaft Speed Requirement: Over 200 rpm for passive magnetic pickups
• Isolation: Provides electrical isolation between Keyphasor signals and other system components
• External Terminations: For flexible connections to magnetic pickups
• Parallel Connections: Allows multiple devices to connect to Keyphasor signals simultaneously
• Compatibility: Works with Bently Nevada magnetic pickups; supports Proximitor applications with an external power supply
• Applications:
  • Rotating Machinery Monitoring (turbines, generators, pumps)
  • Vibration Analysis
  • Condition Monitoring and Predictive Maintenance