Excellent PLC
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| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Bently Nevada 3500/25 149369-01+125800-02 Enhanced Keyphasor Module is a precision-engineered module designed to deliver accurate rotor position and speed signals for critical machinery monitoring. It is an integral part of the Bently Nevada 3500 Machinery Monitoring System, providing Keyphasor signals that serve as the phase reference for vibration analysis and machinery protection functions.
This module features enhanced signal conditioning and processing, ensuring that rotor events such as imbalance, misalignment, and torsional vibration are captured with high fidelity. Its improved design allows deterministic output signals suitable for high-speed turbines, compressors, and generators. By providing precise phase-referenced data, it supports predictive maintenance, facilitates machinery diagnostics, and enhances operational safety in industrial environments including power generation, petrochemical, and manufacturing facilities.
The 149369-01+125800-02 configuration delivers extended input compatibility and optimized performance for complex monitoring systems, making it ideal for applications where accurate rotor phase information is critical.
Product Parameters
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada (GE Measurement & Control) |
| Model Number | 3500/25 149369-01+125800-02 |
| Product Type | Enhanced Keyphasor Module |
| Function | Provides precise rotor speed and phase signals to the 3500 system for machinery protection and vibration analysis |
| Input Channels | 2 independent proximity probe or speed pickup inputs |
| Output Signals | TTL-compatible Keyphasor pulse and phase reference |
| Signal Processing | Advanced conditioning for noise reduction and high accuracy |
| Frequency Range | 0.5 Hz to 20 kHz |
| Phase Accuracy | ±0.5 degrees typical |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5–95% non-condensing |
| EMI Protection | Shielded inputs and grounded chassis |
| Compliance | IEC, API, ISO standards for machinery monitoring and protection |
| Dimensions | 119.9 x 24.4 x 256.5 mm |
| Weight | 0.34 kg |
Product Applications
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Turbomachinery Monitoring – Provides accurate rotor phase and speed signals for gas and steam turbines.
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Compressors – Supports vibration and phase monitoring to detect imbalance and misalignment early.
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Generators – Supplies precise phase reference signals for machinery protection and vibration analysis.
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Rotating Equipment Diagnostics – Enables detection of torsional vibration, misalignment, and rotor imbalance.
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Predictive Maintenance – Supports trend analysis and early fault detection to prevent unplanned downtime.
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Safety Instrumented Systems (SIS) – Works with the 3500 system to protect critical rotating machinery from overspeed and operational faults.
Product Advantages
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High Phase Accuracy – Provides precise rotor phase measurements for advanced diagnostics.
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Enhanced Signal Conditioning – Minimizes noise and ensures reliable Keyphasor outputs.
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Seamless Integration – Fully compatible with 3500/25 modules and the wider 3500 system.
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Predictive Maintenance Support – Enables early detection of mechanical issues through accurate phase-referenced data.
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Rugged Industrial Design – Maintains performance in high-vibration and EMI-prone environments.
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Standards Compliance – Meets IEC, API, and ISO standards for rotor and vibration monitoring.
FAQ
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What is the main function of the 3500/25 149369-01+125800-02 module?
It generates precise rotor speed and phase signals for machinery protection and vibration analysis. -
How many input channels does the module have?
It has 2 independent proximity probe or speed pickup inputs. -
What is the typical phase accuracy?
±0.5 degrees. -
Can this module be used for high-speed turbines?
Yes, it supports up to 20 kHz frequency range suitable for high-speed machinery. -
Is it compatible with other 3500 system modules?
Yes, it integrates seamlessly with all Bently Nevada 3500 modules. -
Does it reduce signal noise?
Yes, it uses advanced signal conditioning for noise rejection. -
Can it be used for predictive maintenance?
Yes, phase-referenced signals support trend analysis and early fault detection. -
Are the output signals TTL-compatible?
Yes, the Keyphasor pulse and phase reference outputs are TTL-compatible. -
Is proper grounding required?
Yes, grounding of the chassis and shielded cables is recommended for signal integrity. -
Can it be integrated into safety systems?
Yes, it works with the 3500 system to provide protection for critical rotating machinery.
Recommended Related Models (Same Series)
| Model Number | Description |
|---|---|
| 3500/25 128075-01 | Enhanced Keyphasor Module |
| 3500/25 128074-01 | Standard Keyphasor Module |
| 3500/22 138607-01 | Transient Data Interface Module |
| 3500/22M 149986-02 | Transient Data Interface Module |
| 3500/15 | Monitor/Protection Module |
| 3500/20 | Rack Interface Module |
Popular Models from Bently Nevada
| Model Number | Description |
|---|---|
| 3500/44 | 8-Channel Vibration Monitor Module |
| 3500/05 | Proximity Probe Monitor Module |
| 3500/22 | Transient Data Interface Module |
| 3500/32 | Speed/Position Module |
| 3500/12 | Displacement Monitor Module |
| 3500/15 | Monitor/Protection Module |
