Bently Nevada 3500/25 Enhanced Keyphasor Module

Description

3500/25 Enhanced Keyphasor Module
Description:The 3500/25 Enhanced Keyphasor Module is a half-height, two-channel module designed to provide Keyphasor signals to monitor modules in a 3500 rack. It receives input signals from proximity probes or magnetic pickups, converting them into digital Keyphasor signals. These signals indicate the alignment of the Keyphasor mark on the shaft with the Keyphasor transducer. The module supports up to four Keyphasor signals in a normal configuration and up to eight in a paired configuration.
Specifications:
Inputs:
Power Consumption: 3.2 Watts (typical)
Signal:
Supports up to two transducer signals from proximity probes or magnetic pickups.
Input signal range:
Non-Isolated I/O modules: +0.8 V to -21.0 V
Isolated I/O modules: +5 V to -11 V
Internal limiting for signals exceeding this range.
Passive magnetic pickups require shaft speeds >200 rpm (3.3 Hz).
Input Impedance: 21.8 kΩ minimum
Outputs:
Buffered Keyphasor Signals:
Two outputs available at the front via coaxial connectors.
Two outputs available at the back via Euro Style connectors.
Output Impedance: 504 Ω maximum
Keyphasor Transducer Power Supply: -24 Vdc, 40 mA
Physical Specifications:
Main Module:
Dimensions (HxWxD): 119.9 mm x 24.4 mm x 256.5 mm (4.72 in x 0.96 in x 10.10 in)
Weight: 0.34 kg (0.76 lbs)
I/O Module:
Dimensions (HxWxD): 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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