Product Description
Product Overview
- Manufacturer: Bently Nevada
- Model: 3500/46M Hydro Monitor
- Type: Four-Channel Module
-
Function:
- Monitors and analyzes signals from proximity, seismic, dynamic pressure, and air gap sensors.
- Processes and conditions input signals to provide vibration, position, static pressure, and dynamic pressure measurements.
- Compares conditioned signals against user-configurable alarm setpoints for machinery protection.
- The Hydro Radial Vibration channels include the capability to combine shaft gap movement with NX amplitude, providing effective monitoring and alarming in scenarios like shear-pin failure.
Supported Sensor Types
- Proximity Sensors
- Seismic Sensors
- Dynamic Pressure Sensors
- Air Gap Sensors
Outputs
-
Front Panel LEDs:
- OK LED: Illuminates when the module is functioning properly.
- TX/RX LED: Flashes to indicate communication with other modules in the 3500 Rack.
- Bypass LED: Illuminates when the module is in Bypass Mode.
Physical Specifications
| Component | Dimensions (H x W x D) | Weight |
|---|---|---|
| Monitor Module | 241.3 mm x 24.4 mm x 241.8 mm (9.50 x 0.96 x 9.52 in) | 0.91 kg (2.0 lb) |
| I/O Modules | 241.3 mm x 24.4 mm x 99.1 mm (9.50 x 0.96 x 3.90 in) | 0.20 kg (0.44 lb) |
Ordering Information
The part number format is 3500/46-AA-BB, with the following options:
A: I/O Module Type
| Option | Description |
|---|---|
| 01 | Prox/Velom I/O Module with Internal Terminations |
| 02 | Prox/Velom I/O Module with External Terminations |
| 03 | Multimode Prox/Velom I/O Module with Internal Terminations |
| 04 | Multimode Prox/Velom I/O Module with External Terminations |
| 05 | Multimode Positive Input I/O Module with Internal Terminations |
| 06 | Multimode Positive Input I/O Module with External Terminations |
B: Hazardous Area Approval
| Option | Description |
|---|---|
| 00 | None |
| 01 | cNRTLus (Class 1, Division 2) |
| 02 | ATEX/IECEx/CSA (Class 1, Zone 2) |
Key Features
-
Vibration and Position Monitoring:
- Processes signals for radial vibration, shaft position, and dynamic/static pressure.
-
Shear-Pin Failure Detection:
- Hydro Radial Vibration channels combine shaft gap movement with NX amplitude for advanced alarming capabilities.
-
User-Programmable Alarms:
- Configurable alarm setpoints ensure machinery protection and efficient operation.
-
Versatile Sensor Compatibility:
- Supports various sensor types, making it suitable for multiple industrial applications.
Applications
- Hydroelectric Power Plants: For monitoring turbine vibration and shaft position.
- Machinery Protection: Ensures operational safety by triggering alarms when configured thresholds are exceeded.
- Dynamic Pressure Monitoring: For advanced diagnostics and performance monitoring in critical machinery.