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ABB CI920N 3BDS014113 Communication Interface for Industrial Automation
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Bently Nevada 3500/94 146377-01 Keyphasor Module

Brand:Bently Nevada PLC
Item No.:3500/94 146377-01
Product Origin:USA
Product Dimensions:241.3 x 24.4 x 241.8 mm
Product Weight:0.73 kg
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO
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  • Technical FAQs
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Introduction

The Bently Nevada 3500/94 146377-01 is a specialized Keyphasor Module engineered for high-precision phase-reference generation in complex rotating machinery systems. As an integral component of the 3500 protection platform, it transforms the signal from a Keyphasor transducer into a clean, reliable digital pulse used by diagnostic and protection algorithms.
This extended-length version is built to support demanding equipment such as multi-bearing turbines, compressors, and large synchronous motors, where accurate phase correlation is essential for advanced vibration analysis.

Technical Specifications

Specification Description
Module Type Keyphasor / Phase Reference Module
Channels Two independent channels
Input Type Proximity probes or magnetic pickups
Output Signal High-stability TTL-compatible digital pulses
Compatible Platform Bently Nevada 3500 Series protection system
Key Functions Phase reference, vector analysis, orbit analysis, speed triggering
Dimensions 241.3 × 24.4 × 241.8 mm (H × W × D)
Weight 0.73 kg
Operating Mode Continuous industrial monitoring
Installation Standard rack-mount, full-length board
Environment

Applications

  • Large turbine-generator phase-reference systems

  • High-speed compressor diagnostics

  • Overspeed and tachometer signal generation

  • Multi-channel vibration analysis requiring precise phase alignment

  • Advanced machinery diagnostic systems using orbit and vector plots

  • Condition monitoring of heavy-duty rotating assets

Advantages

  • Long-form board design enhances signal stability and noise isolation

  • Delivers exceptionally accurate phase pulses across wide RPM ranges

  • Supports redundancy through dual independent channels

  • Seamlessly integrates with all 3500 monitoring modules

  • High immunity to electrical interference in harsh industrial settings

  • Suitable for both steady-state and transient analyses

Technical FAQs 

  1. What is the main purpose of the 3500/94 146377-01?
    It generates precise Keyphasor pulses used for phase and rotational diagnostics.

  2. Does it support two sensors?
    Yes, it includes two fully independent channels.

  3. What transducers can be used?
    Proximity probes and magnetic pickups.

  4. Is it necessary for orbit plots?
    Yes, orbit and vector analyses require accurate phase-reference data.

  5. What type of signal does the module output?
    A TTL-compatible digital pulse.

  6. Is it compatible with all 3500 racks?
    Yes, it integrates directly into the 3500 monitoring platform.

  7. Can it operate continuously?
    Yes, it is designed for 24/7 industrial operation.

  8. What are its physical dimensions?
    241.3 × 24.4 × 241.8 mm (H × W × D).

  9. How much does the module weigh?
    0.73 kg.

  10. Is it suitable for high-speed machinery?
    Absolutely—its stable triggering performance supports high-RPM applications.

Sales and Business Development

Phone: +8617350837383
E-mail: [email protected]
Skype: +8617350837383
WhatsApp: +8617350837383
Business hours: We Provide Online Support 24/7
Address: Room 1001, Jiuzhou Commercial Building, Xiamen, Fujian Province, China

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