Description
Bently Nevada 3300/01-01-00
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Voltage | 18–24 VDC |
| Power Consumption | 2 watts nominal |
| Communication Port | RS232 (on variants with serial interface; this unit configured without) |
| Operating Temperature | 0°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Dimensions | 5.1 cm × 20.3 cm × 33.0 cm |
| Weight | 0.7 kg |
| Mounting | Rack-mountable in 3300/05 series chassis |
| Origin | USA |
Functional Features
- Provides centralized system monitoring and rack coordination
- Manages alarm setpoint adjustments through tamper-proof switches
- Supports Keyphasor power distribution to compatible modules
- Offers front-panel LCD display for system status visualization
- Includes LED indicators for OK, Alert, and Danger status conditions
- Stores alarm configurations in nonvolatile memory
- Performs continuous cyclic self-diagnostics to ensure system integrity
Structural Characteristics The module consists of a main printed wiring assembly (PWA), a front panel assembly with integrated display, and a sheet metal housing designed for slide-in rack installation. The front panel features a vertical bargraph LCD with 63 individual segments, green OK LEDs, red Alert and Danger LEDs, and red Bypass indicators. The rear panel provides terminal connections for field wiring, recorder outputs, and buffered transducer outputs.
Working Principle The system monitor continuously polls all installed monitoring modules within the rack, collecting vibration, position, temperature, and speed data. It compares incoming values against programmed alarm setpoints, activates relay outputs when thresholds are exceeded, and maintains a real-time display of machine health status. The monitor executes power-up self-tests, cyclic RAM tests, and ROM checksum verification to detect internal failures.
Installation Requirements
- Install in the leftmost slot of a 3300/05 series rack
- Use shielded triad cable for all field wiring connections
- Maintain separation between high-energy AC circuits and low-level transducer signals
- Connect shield drains to a single earth ground point
- Ensure proper rack grounding before applying power
Application Scenarios
- Steam turbine supervisory instrumentation systems
- Gas compressor monitoring installations
- Large generator protection systems
- Refinery rotating equipment monitoring
- Power generation facility machinery protection
