Overview
The Bently Nevada 3500/53-03-01 Overspeed Detection System ensures rapid, reliable protection for critical machinery. It integrates with the 3500 Series Machinery Protection System and complies with API Standards 670 and 612. Users can configure 2-out-of-2 or 2-out-of-3 voting systems, with redundant 3500 racks mandatory for safe operation.
Key Features
- Supports 2-out-of-2 or 2-out-of-3 voting for overspeed logic.
- Accepts proximity probe or magnetic pickup signals with high accuracy.
- Provides buffered transducer outputs and recorder outputs for data monitoring.
- Front panel LEDs indicate module status, alarms, bypass, and test mode.
- Relays are SPDT, epoxy-sealed, rated for 5 A and 120 W (DC) or 600 VA (AC).
- Signal conditioning supports 1–255 events per revolution with rpm accuracy up to ±0.01%.
Technical Specifications
| Parameter | Specification |
|---|---|
| Signal Input | Single transducer (proximity probe/magnetic pickup), ±10.0 V to -24.0 V, 20 kΩ impedance |
| Power Consumption | 8.0 W typical |
| Supported Transducers | 3300 8 mm/16 mm, 7200 5–14 mm, 3300 RAM, Magnetic pickups |
| Buffered Output | Coaxial connector, 550 Ω impedance, -24 Vdc, 40 mA max |
| Recorder Output | +4 to +20 mA, 0–12 Vdc compliance, 0.3662 µA/bit, 100 ms update rate |
| Relay Type | SPDT, epoxy-sealed, 5 A max, switchable NDE/NE |
| Relay Contact Life | 100,000 operations at 5 A, 24 Vdc or 120 Vac |
| Frequency Response | 1–255 events/rev, 0.0167 Hz min (prox.), 3.3 Hz min (mag.) |
| Max Full-scale RPM | 99,999 rpm |
| RPM Accuracy | <100 rpm: ±0.1 rpm, 100–10,000 rpm: ±1 rpm, 10,000–99,999 rpm: ±0.01% |
| Transducer Threshold | Auto: ≥0.0167 Hz, 1 Vpp min; Manual: +9.9 to -23.9 Vdc, 500 mVpp min |
| Hysteresis | 0.2–2.5 V adjustable |
| Alarm Setpoints | 0–100% full-scale speed, software-configurable |
| Alarm Time Delay | <30 ms for >300 Hz input |
| Operating Temperature | -30°C to +65°C (-22°F to +149°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Humidity | Up to 95%, non-condensing |
| Monitor Module Dimensions | 241.3 x 24.4 x 241.8 mm (9.50 x 0.96 x 9.52 in), 0.82 kg (1.8 lb) |
| I/O Module Dimensions | 241.3 x 24.4 x 99.1 mm (9.50 x 0.96 x 3.90 in), 0.45 kg (1.0 lb) |
| Rack Space | Monitor: 1 full-height front slot/channel; I/O: 1 full-height rear slot/channel |
Ordering Information
- Model Number: 3500/53-03-01
- Channel Option: 03 = Three-channel system
- Agency Approval: 01 = CSA/NRTL/C approved
- Minimum software requirement: 3500/03 Version 1.13
- Redundant power supplies mandatory for all racks using the Overspeed Detection System
The Bently Nevada 3500/53-03-01 module delivers precise, high-speed overspeed detection with configurable alarms, robust relay outputs, and full integration with 3500 Series racks.
Details
| Weight | 1.27 kg |
|---|---|
| Dimensions | 241.3 × 24.4 × 241.8 mm |
| Country of origin | United States |
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