Product Overview
The Bently Nevada 3500/25M 149369-01 Enhanced Keyphasor Module is a critical component of the 3500 Machinery Protection System. It provides accurate shaft position and speed measurement, enabling reliable machinery protection and vibration analysis. Designed for industrial environments, this module supports enhanced signal processing, configurable alarm thresholds, and seamless integration with other 3500 system modules to ensure optimal performance of turbines, compressors, and pumps.
Key Features
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High-accuracy Keyphasor signal detection
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Enhanced signal processing for reliable machinery protection
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Configurable alarm setpoints for speed and position
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Hot-swappable for minimal downtime
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Compatible with Bently Nevada 3500 series racks
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Provides real-time speed and phase information to System 1®
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Rugged industrial design for harsh operating environments
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 3500/25M 149369-01 |
| Module Type | Enhanced Keyphasor Module |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Function | Shaft speed and position measurement |
| Input Channels | 2 Keyphasor signal channels |
| Signal Type | Proximity probe, magnetic pickup, or keyphasor disc input |
| Alarm Capabilities | Configurable per channel |
| Communication | Via 3500 rack backplane |
| Mounting Type | Rack-mounted (3500 rack) |
| Power Supply | Supplied via 3500 rack |
| Operating Temperature | 0°C to 65°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 0% to 95% non-condensing |
| Dimensions | 241.3 x 24.4 x 103.1 mm |
| Weight | 0.46 kg |
| Certifications | CE, CSA, ATEX, IECEx |
Industry Applications
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Gas and steam turbine monitoring
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Compressor and pump machinery protection
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Rotating equipment speed and phase monitoring
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Oil and gas production facilities
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Petrochemical, refining, and power generation plants
Frequently Asked Questions (FAQ)
Q1: What signals does the 3500/25M module process?
It processes Keyphasor signals from proximity probes, magnetic pickups, or Keyphasor discs.
Q2: How many channels does it support?
It supports two independent Keyphasor signal channels.
Q3: Can alarm thresholds be configured?
Yes, each channel can have independently configurable alarm setpoints.
Q4: Is the module hot-swappable?
Yes, it can be replaced without powering down the rack.
Q5: Does it provide speed and phase information?
Yes, it provides real-time speed and phase data for System 1® integration.
Q6: What is the operating temperature range?
0°C to 65°C.
Q7: Is it suitable for hazardous environments?
Yes, it meets CE, CSA, ATEX, and IECEx certifications.
Q8: What are the module’s dimensions and weight?
It measures 241.3mm x 24.4mm x 103.1 mm and weighs 0.46 kg.
Q9: Is it compatible with all 3500 racks?
Yes, it integrates seamlessly with the 3500 series rack architecture.
Q10: Can it be used with System 1® software?
Yes, it provides real-time data compatible with System 1® for condition monitoring.
Related Models
| Model Number | Description |
|---|---|
| 3500/25 149365-01 | Standard Keyphasor Module |
| 3500/25M 149368-01 | Enhanced Keyphasor Module (Earlier Version) |
| 3500/32 149370-01 | 16-Channel Relay Module |
| 3500/20 125744-01 | Data Manager I/O Module |
| 3500/05 | 3500 System Rack |
Popular Bently Nevada Modules
| Model Number | Description |
|---|---|
| 3500/05 | System Rack |
| 3500/15 | Power Supply Module |
| 3500/20 | Data Manager I/O Module |
| 3500/25 | Keyphasor Module |
| 3500/32 | Relay Module |
| 3500/40M | Proximitor Monitor |
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