Isolated Keyphasor I/O Module 126648-02 Bently Nevada

Description

The Bently Nevada Isolated Keyphasor I/O Module (126648-02) is a versatile and reliable component designed for use with magnetic pickups. It provides isolation for Keyphasor signals, making it ideal for applications where signals are connected in parallel to multiple devices.

General Information

• Model: 126648-02

• Manufacturer: Bently Nevada

• Product Type: Isolated Keyphasor I/O Module

• Terminations: External Terminations

Features

• Purpose: Primarily measures shaft speed, though it can also provide phase measurements.

• Functionality: Converts input signals from proximity probes or magnetic pickups to digital Keyphasor signals.

• Compatibility: Designed for Magnetic Pickup applications but also compatible with Proximitor applications with an external power supply.

• Keyphasor Signal: A pulse delivered once or multiple times per turn by a rotating shaft or gear, used for precise timing measurement.

Input Specifications

• Power Consumption: 3.2 Watts typical

• Signal Range:

• Non-isolated I/O: +0.8 V to -21.0 V

• Isolated I/O: +5 V to -11 V

• Required Shaft Speed: More than 200 rpm for passive magnetic pickups

• Input Impedance: 21.8 kΩ minimum