B&R X20BM11 bus module

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B&R X20BM11 Bus Module

Product Overview

The B&R X20BM11 is a bus module designed for B&R’s X20 distributed I/O system, serving as the base for 24V DC I/O modules. It enables internal I/O power interconnection and supports modular expansion in industrial automation applications .

Key Features & Technical Specifications

1. Functionality

   • Acts as the base for all 24V DC X20 I/O modules .

   • Provides interconnected internal I/O power supply for seamless signal transmission .

2. Electrical & Environmental Specs

   • Power Consumption: 0.13 W (bus power) .

   • Nominal Voltage: 24V DC .

   • Operating Temperature:

     • Horizontal Mounting: -25°C to +60°C

     • Vertical Mounting: -25°C to +50°C .

   • Protection Rating: IP20 (dust-resistant) .

   • Installation Altitude:

     • 0–2000 m: No derating

     • >2000 m: Reduce ambient temperature by 0.5°C per 100 m .

3. Certifications & Compliance

   • CE, UKCA, ATEX (Zone 2), UL, DNV, ABS, BV, EAC, KC .

   • Hazardous Location Compliance:

     • Class I, Division 2, Groups A/B/C/D, T5 .

4. Physical Dimensions

   • Spacing: 12.5 ±0.2 mm (between modules) .

Applications

• Industrial Automation: Integration with PLC and distributed I/O systems .

• Energy & Power: Used in turbine control and power distribution .

• Process Control: Supports signal isolation and transmission in chemical plants .

Installation & Usage Notes

1. Mounting: Can be installed horizontally or vertically (ensure proper cooling) .

2. Compatibility: Works with X20 terminal blocks (e.g., X20TB12) for wiring .

3. Power Supply: Ensure stable 24V DC input within the specified range.

The structure and details of the product：

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