Bently Nevada 3500/25-02-01 Enhanced Keyphasor Module

Where It Excels in Industrial Use

• Multi-Channel Rotational Reference Monitoring:
The Bently Nevada 3500/25-02-01 Enhanced Keyphasor Module provides expanded Keyphasor signal processing capability for 3500 Machinery Protection Systems, delivering accurate rotational timing references required for speed measurement, phase analysis, and advanced vibration diagnostics.

• Large Rotating Equipment Protection:
Designed for turbines, compressors, generators, pumps, and other critical rotating machinery, the module supports applications requiring multiple shaft reference signals for reliable condition monitoring and machine analysis.

• Four-Channel Keyphasor Applications:
With two half-height 2-channel Keyphasor cards, this configuration provides four Keyphasor channels within a 3500 rack, making it suitable for complex machinery systems requiring multiple rotational reference inputs.

• Industrial Predictive Maintenance Systems:
The module supplies precise timing signals used by 3500 monitor modules and diagnostic platforms to calculate shaft speed, phase angle, and vibration vector parameters for condition-based maintenance programs.

Key Strengths at a Glance

• Four-Channel Enhanced Keyphasor Capability:
Provides two half-height 2-channel Keyphasor cards, allowing a total of four Keyphasor input channels for expanded monitoring configurations.

• Reliable Shaft Timing Processing:
Converts input signals from compatible proximity probes or magnetic pickups into digital Keyphasor signals that indicate shaft rotational reference points.

• Internal Termination I/O Configuration:
The -01 I/O option uses an I/O module with internal terminations, simplifying installation and maintaining compatibility with standard 3500 rack wiring configurations.

• Enhanced Diagnostic Accuracy:
Provides precise once-per-turn or multiple-event-per-turn reference signals that improve phase measurement, tracking filter operation, and vibration analysis accuracy.

• Flexible 3500 System Expansion:
The module supports larger monitoring architectures where additional Keyphasor inputs are required without changing the existing rack platform.

Technical FAQs

1. What is the primary function of the Bently Nevada 3500/25-02-01 Enhanced Keyphasor Module?
It processes multiple Keyphasor input signals and provides digital rotational reference signals for 3500 monitoring modules and diagnostic systems.

2. How many Keyphasor channels does this configuration provide?
It provides four Keyphasor channels using two half-height 2-channel Keyphasor cards.

3. What type of sensors can be connected to this module?
It supports compatible Keyphasor input signals from proximity probes or magnetic pickups.

4. Does this module directly measure vibration amplitude?
No. It provides rotational timing reference signals used by vibration monitor modules for phase and vector calculations.

5. What does the "-02" option indicate in the model number?
The -02 option identifies a configuration containing two half-height 2-channel Keyphasor cards for four-channel operation.

6. What does the "-01" I/O option represent?
It identifies the I/O module with internal terminations.

7. Can this module be used in turbine monitoring applications?
Yes. It is commonly applied in rotating machinery systems where multiple shaft reference signals are required for detailed analysis.

8. Is this module part of the machinery shutdown protection logic?
No. It provides timing information while dedicated monitor modules perform protection calculations.

9. Can this module replace an older Keyphasor module?
Yes, it is designed as an enhanced replacement with expanded processing capability while maintaining compatibility with existing 3500 system installations.

10. What should be confirmed before installation?
Engineers should verify rack compatibility, required number of Keyphasor channels, sensor type, wiring configuration, and system requirements.