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3500/53-03-00 Bently Nevada Electronic Overspeed Detection System
3500/53-03-00 Bently Nevada Electronic Overspeed Detection System
Technical Specifications:
Description
The Bently Nevada™ 3500/53 Electronic Overspeed Detection System is part of the 3500 Series Machinery Protection System. It provides a highly reliable, fast-response, redundant tachometer system specifically designed for overspeed protection in accordance with API Standards 670 and 612. The 3500/53 modules can be configured to form either a 2-out-of-2 or a 2-out-of-3 voting system, with the latter being recommended. This system requires the use of a 3500 rack with redundant power supplies to ensure continuous operation.
Specifications
Inputs:
| Feature | Specification |
|---|---|
| Signal | Accepts a single transducer signal from proximity probe transducers or magnetic pickups. Input range: +10.0 V to -24.0 V. |
| Input Impedance | 20 kΩ |
| Power Consumption | 8.0 watts, typical |
| Transducers | Compatible with Bently Nevada 3300 8 mm Proximitor, 3300 16 mm HTPS, 7200 5 mm, 8 mm, 11 mm, and 14 mm Proximitor, 3300 RAM Proximitor, or magnetic pickups. |
Outputs:
| Feature | Specification |
|---|---|
| Front Panel LEDs |
OK LED: Indicates proper operation<br>TX/XR LED: Indicates communication with other modules Bypass LED: Indicates Bypass Mode Test Mode LED: Indicates Test Mode Alarm LEDs: Indicates an alarm condition with the associated relay. |
| Buffered Transducer Outputs | One coaxial connector for buffered output, short-circuit and ESD protected. |
| Output Impedance | 550 Ω |
| Transducer Power Supply | -24 Vdc, 40 mA maximum |
| Recorder | +4 to +20 mA proportional to module full-scale range (rpm). Voltage compliance: 0 to +12 Vdc across load (0 to 600 Ω). |
| Resolution | 0.3662 µA per bit ±0.25% error at room temperature ±0.7% error over temperature range. Update rate: ~100 ms. |
Alarms:
| Feature | Specification |
|---|---|
| Alarm Setpoints | Under and Over Alert levels, Danger (Overspeed) setpoint for speed, all set using software configuration. Adjustable from 0 to 100% of speed full-scale range. |
| Alarm Time Delays | < 30 ms above 300 Hz |
Environmental Limits:
| Feature | Specification |
|---|---|
| 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 | 95%, non-condensing |
Physical:
| Feature | Specification |
|---|---|
| Monitor Module Dimensions | 241.3 mm x 24.4 mm x 241.8 mm (9.50 in x 0.96 in x 9.52 in) |
| Monitor Module Weight | 0.82 kg (1.8 lb.) |
| I/O Modules Dimensions | 241.3 mm x 24.4 mm x 99.1 mm (9.50 in x 0.96 in x 3.90 in) |
| I/O Modules Weight | 0.45 kg (1.0 lb.) |
| Rack Space Requirements |
1 full-height front slot/per channel (Monitor Module) 1 full-height rear slot/per channel (I/O Modules) |
Ordering Information
| Part Number | Description |
|---|---|
| 3500/53-03-00 | Electronic Overspeed Detection System |
| A: Channel Option | 03:Three Channel System |
| B: Agency Approval Option | 00 - None |
Spares:
| Part Number | Description |
|---|---|
| 133388-01 | 3500/53 Overspeed Detection Module |
| 133396-01 | Overspeed Detection I/O Module |
| 04425545 | Grounding Wrist Strap (single use) |
| 04400037 | IC Removal Tool |
| 134129-01 | Firmware IC |
| 00580438 | Connector Header, Internal Termination, 4-position, Green |
| 00580436 | Connector Header, Internal Termination, 6-position, Green |
| 00580432 | Connector Header, Internal Termination, 10-position, Green |
| 134939-01 | 3500/53 Overspeed Detection Manual |
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