Bently Nevada Rack Interface Module 3500/20
$ 1,300
Part No: 3500/20
• Primary rack interface module for configuration and diagnostics
• Supports RS-232/RS-422 communication and proprietary protocol
• Provides transducer power and data link to external systems
• Operating without disruption in machinery protection racks
Description
Bently Nevada Rack Interface Module 3500/20
The Bently Nevada 3500/20 is a Rack Interface Module (RIM) designed to serve as the primary communication interface for the 3500 Series machinery protection racks. Installed in the first slot, it enables rack configuration and data exchange with external systems like DCS or PLC.
| Specification | Detail |
|---|---|
| Product Type | Rack Interface Module |
| Series | Bently Nevada 3500 Series |
| Rack Position | Slot 1 (first slot next to power supply) |
| Function | Primary interface for rack configuration and data retrieval |
| Communications | RS-232 or RS-422 serial interface |
| Data Rate | Up to 38.4 k baud (auto‑baud capable) |
| Protocol | Bently Nevada proprietary |
| Power Requirements | 18–36 VDC |
| Transducer Power Supply | 24 VDC available for sensors |
| Maximum Current | < 1 mA DC |
| Frequency Response | Typically 0 to 10 kHz |
| Extension Cable Capacitance | ≈ 69.9 pF/m |
| Minimum Target Size | ~15.2 mm |
| Dimensions (H × W × D) | ~241.3 mm × 24.4 mm × 241.8 mm |
| Module Weight | ~0.91 kg |
| Operating Temperature Range | –30 °C to +65 °C |
| Storage Temperature Range | –40 °C to +85 °C |
| Humidity | Up to 95 % RH, non‑condensing |
| Alert Relay | Front-panel OK relay rated to 5 A at 24 VDC or 120 VAC |
| Environmental Sealing | Epoxy-sealed relay contacts with arc suppression |
| Mounting | Full-height slot in 3500 rack |
| Status | Standard or TMR versions available; now obsolete in favor of 3500/22 series |
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