B&R X20BR9300 X20 Bus Receiver Module

Product Overview

Brand: B&R (Bernecker & Rainer)
Series: X20 System
Model: X20BR9300
Product Type: X20 Bus Receiver Module
Function: The B&R X20BR9300 is an X2X Link bus receiver module used to connect remote X20 I/O stations to the B&R automation system. It provides X2X Link communication and supplies power for the X2X Link bus and internal I/O modules, enabling distributed I/O expansion in industrial automation systems.

Technical Specifications

General Data

• Brand: B&R
• Model: X20BR9300
• Series: X20 I/O System
• Module Type: Bus Receiver
• Communication Interface: X2X Link
• Application: Remote I/O expansion and distributed control
• Mounting: X20 modular backplane system
• Protection Rating: IP20
• Module Width: 12.5 mm
• B&R ID Code: 0x1BC1

Communication Specifications

• Bus System: X2X Link
• Function: Connects X20 I/O modules to remote X2X Link networks
• Status Monitoring:
  • X2X bus status
  • Module operating status
  • Overload status
  • Error diagnostics
• Diagnostic Indicators: LED status indicators

Power Supply Specifications

X2X Link Power Supply

• Input Voltage: 24 VDC (-15% / +20%)
• Maximum Input Current: 0.7 A
• Output Power: 7 W
• Reverse Polarity Protection: Yes
• Overload Protection: Short-circuit proof, temporary overload protection

Internal I/O Supply

• Supply Voltage: 24 VDC
• Permissible Contact Load: 10 A
• Internal Power Consumption: Approx. 0.6 W

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
• Humidity: 5–95% RH (non-condensing)
• Installation Altitude: Up to 2000 m without limitation
• Protection Class: IP20

Advantages & Features

Distributed I/O Expansion

Allows X20 I/O modules to be installed remotely from the main controller, reducing wiring complexity and improving system flexibility.

Reliable X2X Link Communication

Provides high-speed and stable communication between remote I/O stations and B&R PLC systems.

Integrated Power Supply Function

Supplies power for both X2X Link communication and connected internal I/O modules.

Redundant Power Capability

Supports redundant X2X Link power supply configurations for improved system availability.

Compact Modular Design

The slim 12.5 mm module width saves control cabinet space and supports flexible system expansion.

Advanced Diagnostics

LED indicators and software diagnostics help simplify troubleshooting and maintenance.

Typical Applications

• Factory automation systems
• Distributed PLC I/O networks
• Machine automation equipment
• Packaging machinery
• Robotics systems
• Motion control systems
• Production lines
• Process automation equipment
• Industrial control cabinets

Precautions

• Confirm compatibility with the B&R X20 system before installation.
• Ensure 24VDC power supply polarity is correct.
• Use appropriate X2X Link cables and connectors.
• Install the module in the correct left-side slot position as required by the system.
• Do not connect incompatible power supply modules that may affect X2X Link operation.
• Disconnect power before installation or replacement.
• Check LED indicators after startup to confirm normal communication.
• Configure the remote I/O station correctly in B&R Automation Studio.