B&R X20BM11 X20 Bus Module

Product Overview

Brand: B&R (Bernecker & Rainer)
Series: X20 System
Model: X20BM11
Product Type: X20 Bus Module
Function: The B&R X20BM11 is a basic bus module used as the mounting base for 24VDC X20 I/O modules. It provides the internal I/O power supply connection and enables communication between X20 I/O modules and the X20 controller system.

Technical Specifications

General Data

• Brand: B&R
• Model: X20BM11
• Series: X20 I/O System
• Module Type: Bus Module
• Application: Base module for 24VDC I/O modules
• Mounting: X20 modular backplane system
• Protection Rating: IP20
• Installation: Horizontal or vertical mounting
• Module Width (Pitch): 12.5 mm
• Power Consumption (Bus): 0.13 W

Power Supply Data

• I/O Supply Voltage: 24 VDC
• Internal I/O Power Supply: Connected through
• Permissible Contact Load: 10 A
• Power Distribution: Supports continuous internal I/O supply connection

Environmental Specifications

• Operating Temperature:
  • Horizontal mounting: -25°C to +60°C
  • Vertical mounting: -25°C to +50°C
• Storage Temperature: -40°C to +85°C
• Relative Humidity: 5–95% RH (non-condensing)
• Altitude: Up to 2000 m without limitation
• Protection Class: IP20

Compatibility

Compatible with:

• B&R X20 PLC systems
• X20 digital I/O modules
• X20 analog I/O modules
• X20 communication modules
• X20 controller platforms

Advantages & Features

Modular System Expansion

Provides a flexible base platform for adding different X20 I/O modules, allowing easy system expansion.

Reliable Power Distribution

Ensures stable 24VDC internal I/O power connection for connected modules.

Compact Design

The 12.5 mm slim module width saves valuable control cabinet space.

Easy Installation

Designed for quick installation and replacement within the B&R X20 modular system.

High Industrial Reliability

Supports demanding automation environments with IP20 protection and industrial certifications.

Flexible Automation Integration

Works seamlessly with B&R PLC controllers and distributed I/O architectures.

Typical Applications

• Industrial automation systems
• Factory production lines
• Machine control systems
• Packaging equipment
• Robotics systems
• Motion control applications
• Process automation systems
• CNC machinery

Precautions

• Confirm compatibility with the correct B&R X20 system before installation.
• Ensure the 24VDC supply voltage is within specification.
• Check module positioning and mechanical locking before operation.
• Disconnect power before installing or removing modules.
• Avoid contamination from dust, moisture, or corrosive materials.
• Verify I/O module configuration in B&R Automation Studio after installation.
• Ensure proper grounding and EMC protection.