Bently Nevada 3500/20 Rack Interface Module

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Bently Nevada 3500/20 Rack Interface Module (RIM)

Product Overview

The 3500/20 is a rack interface module (RIM) that serves as the primary communication interface for Bently Nevada’s 3500 series machinery protection systems. It enables configuration, data retrieval, and communication between the 3500 rack and external systems (e.g., DCS, SCADA) using Bently Nevada’s proprietary protocols .

Key Features

✅ Core Communication Hub

• Acts as the central interface for configuring the 3500 rack and retrieving machine data .

• Supports external communication processors (e.g., TDXnet, TDIX, DDIX) for data exchange .

✅ Secure & Configurable Access

• Password protection prevents unauthorized configuration changes .

• Read-only mode allows data retrieval without modification .

✅ Flexible Communication Options

• RS232 (front panel) & RS422 (I/O module) for serial communication (max. 38.4K baud rate) .

• Modem support (Hayes AT-compatible, 14.4K baud) for remote access .

✅ Diagnostics & Status Indicators

• Front-panel LEDs for system status:

  • OK LED (module operational)

  • TX/RX LED (communication activity)

  • TM LED (alarm multiplication)

  • CONFIG OK LED (correct configuration) .

✅ Triple Modular Redundancy (TMR) Support

• TMR RIM version performs "monitor channel comparison" for fault detection in redundant systems .

Technical Specifications

Applications