Excellent PLC
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Product Overview
The Bently Nevada 3500/25-01-04-00 Enhanced Key Phase Module is a high-precision module designed to provide accurate keyphasor pulses and speed outputs for machinery monitoring and protection systems. Part of the 3500 Series, it delivers precise phase information required for synchronous vibration monitoring, torsional analysis, and shaft speed measurement.
Key Features
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Generates precise keyphasor and speed signals for machinery monitoring
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Compatible with Bently Nevada 3500 Series rack-mounted monitoring systems
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Enhanced signal conditioning for improved phase stability and noise immunity
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Accepts inputs from Proximitor sensors, proximity probes, and other keyphasor sensors
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Provides both digital and analog outputs for integration with monitoring and diagnostic systems
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API 670 compliant for critical rotating machinery applications
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Rugged industrial design for harsh environments
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Supports advanced vibration and torsional analysis
Technical Specifications
| Item | Specification |
|---|---|
| Model | 3500/25-01-04-00 |
| Series | 3500 Series Enhanced Key Phase Module |
| Manufacturer | Bently Nevada |
| Function | Keyphasor and speed signal generation |
| Input Type | Proximitor or proximity sensor input |
| Output Type | TTL keyphasor pulse, analog speed output |
| Signal Conditioning | Enhanced phase stability and noise immunity |
| 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 | 241.3 x 24.4 x 103.1 mm |
| Weight | 0.46 kg |
| Compliance | API 670, CE |
Frequently Asked Questions (FAQ)
1. What is the primary function of the 3500/25-01-04-00 module?
It generates accurate keyphasor pulses and analog speed outputs for machinery monitoring and protection.
2. Which sensors are compatible with this module?
It accepts inputs from Proximitor sensors, proximity probes, and compatible keyphasor sensors.
3. How does this module enhance signal accuracy?
Enhanced signal conditioning provides stable phase output and higher noise immunity compared to standard keyphasor modules.
4. What is the maximum frequency it can process?
It can handle signals up to 20 kHz, suitable for high-speed machinery.
5. Is it compatible with other 3500 Series modules?
Yes, it integrates seamlessly with all rack-mounted 3500 Series monitoring modules.
6. Can this module be used for torsional vibration analysis?
Yes, the accurate keyphasor and speed outputs allow for torsional vibration and advanced vibration analysis.
7. What are the environmental operating limits?
Operating temperature is -35°C to +70°C, with up to 95% non-condensing humidity.
8. What power supply is required?
The module typically operates on +24 VDC, supplied by the 3500 Series rack or an external source if needed.
Related Bently Nevada Models
| Model | Description |
|---|---|
| 3500/25-01-01-02 | Enhanced Key Phase Module |
| 3500/25-01-01-01 | Standard Key Phase Module |
| 3500/25-01-03-01 | Enhanced Key Phase Module |
| 3500/22M | Transient Data Interface Module |
| 3500/42M | Proximitor/Seismic Monitor |
| 3500/93 | System Communication Gateway Module |
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 |
