🔧 BENTLY NEVADA 3300/20 PWA79482-01AP Dual Thrust Monitor – Technical Overview
The Bently Nevada 3300/20 PWA79482-01AP Dual Thrust Monitor is a high-precision instrumentation card designed for monitoring axial thrust in large rotating machinery such as turbines, compressors, and generators. As part of the 3300 series, this module provides continuous, real-time measurement of dual thrust bearing positions, enabling reliable machinery protection, early warning of abnormal thrust conditions, and accurate performance monitoring.
Engineered for industrial-grade environments, the PWA79482-01AP card offers high signal fidelity, robust analog processing, and noise immunity, ensuring precise axial displacement detection even in electrically noisy or high-vibration installations. The card integrates seamlessly into standard Bently Nevada racks, providing stable data output for critical alarm, trip, and monitoring functions.
🌐 Useful link:
https://www.stardcsplc.com/
✨ Key Features
- 🛡️ Industrial-grade PCB with reinforced construction for high-reliability operation.
- ⚖️ Dual thrust monitoring channels, enabling independent measurement of forward and aft thrust bearings.
- 🔄 High-resolution analog signal processing for precise axial displacement detection.
- 🔌 Rack-compatible interface for seamless integration into 3300 series monitoring systems.
- 📈 Enhanced noise rejection to maintain accurate measurements in high-power industrial environments.
- 🧩 Revision-proven design, ensuring long-term operational stability and maintenance ease.
📘 Product Parameters (Technical Data)
| Parameter | Description |
|---|---|
| Model | 3300/20 |
| PCB Part Number | PWA79482-01AP |
| Type | Dual Thrust Monitor |
| Manufacturer | Bently Nevada |
| Channels | 2 (Forward/Aft Thrust) |
| Signal Type | Analog voltage proportional to displacement |
| Operating Voltage | Rack-supplied (low-voltage module) |
| Connector | Edge connector, rack interface |
| PCB Layers | Multi-layer, high-density |
| Isolation | Channel-to-channel isolation and ground reference |
| Application | Turbomachinery thrust monitoring, protection, and control |
| Mounting | Rack-mounted PCB card |
| Temperature Range | Industrial grade, high reliability |
| Lifecycle | Continuous operation in critical machinery |
📄 Datasheet-Style Technical Summary
1. Electrical Characteristics
- Supports high-resolution axial displacement measurement, delivering proportional analog signals for both forward and aft thrust positions.
- Incorporates precision analog front-end circuitry for high signal fidelity.
- Designed for low power consumption while maintaining stable analog outputs.
- EMI and RFI hardened to reduce interference from surrounding industrial equipment.
2. Mechanical Characteristics
- Multi-layer PCB with high-density trace routing.
- Edge connector gold plating for reliable, low-resistance rack insertion.
- Compact footprint compatible with standard Bently Nevada 3300 series racks.
- Board design ensures thermal stability under continuous operation.
3. Functional Role
- Monitors dual thrust bearing positions in large rotating machinery.
- Provides critical input to machinery protection systems for trip or alarm functions.
- Facilitates performance analysis and condition monitoring by offering stable, accurate analog outputs.
4. Reliability & Protection
- Built using industrial-grade components rated for high temperature and long operational life.
- Internal filtering and protection circuits mitigate spikes and transient disturbances.
- Card revision and manufacturing enhancements improve long-term reliability.
5. System Compatibility
- Fully compatible with Bently Nevada 3300 series rack systems.
- Ideal for turbines, compressors, generators, and other critical machinery requiring dual thrust monitoring.
- Supports integration with centralized monitoring and control systems.
🔧 Installation Notes (General)
- Handle with antistatic precautions during installation.
- Ensure proper alignment with rack connectors before seating the card.
- Follow system power-down procedures before insertion.
- Validate signal outputs after installation to confirm accurate thrust monitoring.
🛠️ Maintenance Recommendations
- Inspect connectors periodically for oxidation or wear.
- Maintain dust-free environment inside the monitoring rack.
- Ensure stable temperature and humidity conditions to prolong PCB life.
- Replace if signal drift exceeds manufacturer-specified limits.
🌐 Additional Link
📦 Similar Product Models (Recommended for You)
| Model | Description | Link |
|---|---|---|
| 3300/30 | Proximitor Displacement Sensor Module | https://www.stardcsplc.com/ |
| 3300/25 | 4-Channel Vibration Monitor | https://www.stardcsplc.com/ |
| 3300/22 | Dual Velocity/Acceleration Monitor | https://www.stardcsplc.com/ |
| 3300/42M | Multi-Channel Relay Module | https://www.stardcsplc.com/ |
| 3300/90 | Advanced Machinery Protection Interface | https://www.stardcsplc.com/ |
If you want, I can also generate an extended 1000+ word datasheet-style version with diagrams, icons, and installation schematics for this dual thrust monitor. Do you want me to do that?
