Overview
The 125744-02 Rack Interface Module (RIM) is the primary interface for Bently Nevada 3500 Series racks. Installed in Slot 1 next to the power supply, it enables system configuration, communication with external processors, and data retrieval without affecting the critical monitoring path. For Triple Modular Redundant (TMR) systems, the RIM ensures continuous reliability by comparing outputs from three redundant monitors and flagging discrepancies.
Key Features
- Primary Rack Interface: Provides configuration and data access for the 3500 monitoring system.
- TMR Support: Compares outputs from three redundant monitors for error detection and high system reliability.
- Communication Capabilities: Supports RS232/RS422 serial communication, TDXnet, TDIX, DDIX, and internal modem connections.
- Status Indicators: Front panel LEDs show rack operation, communication, trip multiply mode, and configuration status.
- Relay Output: Configurable “OPEN” or “CLOSED” contacts indicate normal or fault conditions.
- Controls: Includes Rack Reset Button, Address Switch (1–63), and Configuration Keylock for RUN/PROGRAM mode selection.
Technical Specifications
| Feature | Specification |
|---|---|
| Part Number | 125744-02 |
| Module Type | Standard Rack Interface Module (RIM) |
| Power Consumption | 4.75 W typical |
| Front Panel Data | RS232 serial, 38.4 kbaud |
| I/O Module Support | RS232/RS422 serial, internal modem (14.4 kbaud) |
| LEDs | OK, TX/RX, TM, CONFIG OK |
| Relay Output | 5A at 24VDC/120VAC, configurable |
| Controls | Rack Reset, Address Switch (1–63), Configuration Keylock |
| Operating Temperature | -30°C to +65°C (-22°F to +150°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Humidity | 95%, non-condensing |
| Dimensions (H x W x D) | 241.3 × 24.4 × 241.8 mm (9.5 × 0.96 × 9.52 in) |
| Weight | 0.91 kg (2.0 lbs) |
Applications
- Machinery monitoring and protection systems
- Industrial control systems requiring high reliability
- Standard and TMR 3500 Series racks
Details
| Weight | 0.91 kg |
|---|
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