125800-02 | Bently Nevada Isolated Keyphasor I/O Module

The Bently Nevada 125800-02 Isolated Keyphasor I/O Module is designed to isolate Keyphasor signals in applications where the signals are tied in parallel to multiple devices. This isolation ensures protection for other systems, such as control systems, from electrical interference. Although primarily designed for Magnetic Pickups, this module is also compatible with Proximitor applications when an external power supply is provided.

Key Features of the Isolated Keyphasor I/O Module

• Signal Isolation: Ensures isolation of Keyphasor signals, preventing interference with other systems.
• Magnetic Pickup Compatibility: Primarily designed for Magnetic Pickup applications, it also supports Proximitor systems when used with an external power supply.
• Input Range: Accepts signals from proximity probe transducers or magnetic pickups, with an input signal range of +5V to -11V. The module limits signals outside this range internally to protect its circuitry.
• Minimum Rotational Speed: Passive magnetic pickups require a shaft rotational speed greater than 200 rpm (3.3 Hz).

Technical Specifications

Inputs

• Power Consumption: 3.2 Watts typical
• Input Impedance: 21.8 kΩ minimum

Environmental Limits

• Operating Temperature:
  • -30°C to +65°C (-22°F to +150°F) when used with Keyphasor I/O Module (other than Internal Barrier version).
  • 0°C to +65°C (32°F to +150°F) when used with Keyphasor Internal Barrier I/O Module (Internal Termination).
• Storage Temperature: -40°C to +85°C (-40°F to +185°F)
• Humidity: 95%, non-condensing

Physical

• Dimensions: 241.3 mm x 24.4 mm x 103.1 mm (9.50 in x 0.96 in x 4.06 in)
• Weight: 0.46 kg (1.01 lbs.)

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