Excellent PLC
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Product Overview
The Bently Nevada 3500/25-01-01-02 Enhanced Key Phase Module is a high-performance signal processing module designed for precision shaft phase and speed measurement in rotating machinery monitoring systems. It is part of the Bently Nevada 3500 Series machinery protection platform and provides accurate phase and speed signals essential for synchronous vibration monitoring, torsional vibration analysis, and keyphasor-based timing measurements.
Key Features
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Provides precise keyphasor and speed output signals for machinery monitoring
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Compatible with the Bently Nevada 3500 Series monitoring system
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Enhanced signal conditioning for noise immunity and accurate phase measurement
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Supports multiple Proximitor and proximity sensor inputs
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Digital and analog outputs for integration with monitoring and diagnostic equipment
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API 670 compliant for critical rotating machinery protection
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Designed for high-reliability industrial environments
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Facilitates advanced vibration and torsional analysis
Technical Specifications
| Item | Specification |
|---|---|
| Model | 3500/25-01-01-02 |
| Alternate Part Numbers | 149369-01 + 125800-01 |
| Series | 3500 Series Enhanced Key Phase Module |
| Manufacturer | Bently Nevada |
| Function | Keyphasor and speed signal generation |
| Input Type | Proximity sensor or Proximitor input |
| Output Type | TTL compatible keyphasor pulse, analog speed output |
| Signal Conditioning | Enhanced noise immunity and phase stabilization |
| Frequency Range | 0 – 20 kHz typical |
| Operating Temperature | -35°C to +70°C (-31°F to +158°F) |
| Humidity | 95% non-condensing |
| Power Supply | +24 VDC typical |
| Mounting | 3500 Series rack-mounted module |
| Dimensions | 119.9 x 24.4 x 256.5 mm |
| Weight | 0.34 kg |
| Compliance | API 670, CE |
Frequently Asked Questions (FAQ)
1. What is the primary function of the 3500/25-01-01-02 module?
It generates precise keyphasor pulses and analog speed signals for synchronous vibration monitoring and machinery protection.
2. Which types of sensors can this module accept as input?
It supports Proximitor sensors, proximity probes, and compatible keyphasor sensors.
3. How does this module improve signal quality compared to standard keyphasor modules?
The enhanced signal conditioning provides higher noise immunity and more stable phase output for precise timing measurements.
4. What is the maximum frequency this module can handle?
It is designed to process signals up to 20 kHz, suitable for high-speed rotating machinery.
5. Is the module compatible with other 3500 Series monitoring modules?
Yes, it integrates seamlessly with all Bently Nevada 3500 Series rack-mounted monitoring modules.
6. Can this module be used for torsional vibration analysis?
Yes, the precise keyphasor and speed outputs make it ideal for torsional vibration and advanced vibration analysis.
7. What are the environmental limits for reliable operation?
Operating temperature ranges from -35°C to +70°C and up to 95% non-condensing humidity.
8. What power supply does the module require?
It typically operates on +24 VDC, supplied from the 3500 Series rack backplane or an external source if needed.
Related Bently Nevada Models
| Model | Description |
|---|---|
| 3500/25-01-01-01 | Standard Key Phase Module |
| 3500/25-02-01-01 | Dual-channel Key Phase Module |
| 3500/22M | Transient Data Interface Module |
| 3500/42M | Proximitor/Seismic Monitor |
| 3500/93 | System Communication Gateway Module |
| 3500/10-01-01 | Monitor Module for Vibration and Process Signals |
Popular Bently Nevada Models
| Model | Description |
|---|---|
| 330104-00-18-10-02-05 | Standard 8 mm proximity probe for machinery monitoring |
| 330130-045-01-05 | 3300 XL Extension Cable |
| 330180-90-00 | 3300 XL NSv Proximitor Sensor |
| 3500/22M | Transient Data Interface Module |
| 3500/42M | Proximitor/Seismic Monitor |
| 3500/93 | System Communication Gateway Module |
