B&R X20BR9300 Bus Base

B&R X20BR9300

Bus Base (X2X Link Bus Receiver)

Specifications

• Function: Connects X20 I/O system to X2X Link bus; supplies power to bus and I/O modules
• Installation Slot: Only the leftmost slot in the X20 station
• Input Voltage: 24 VDC (-15% / +20%)
• Max Input Current: 0.7 A
• Output Power (X2X Link): 7 W nominal
• Power Consumption:
  • X2X Link bus: 1.62 W
  • Internal I/O: 0.6 W
• Fuse: Integrated, non-replaceable (reverse polarity protection)
• Isolation: Galvanic isolation between feed and X2X Link supply
• Redundancy: Supports X2X Link supply redundancy (multiple modules in parallel)
• Interface: 12-pin terminal block
• Status LEDs: X2X Link, overload, operation, module status
• Operating Temp:
  • Horizontal: -25°C to +60°C
  • Vertical: -25°C to +50°C
• Protection Class: IP20
• Mounting: 35 mm DIN rail, hot-swappable
• Certifications: CE, ATEX Zone 2, UL/cULus, HazLoc Class I Div 2
• Dimensions: 25 × 102 × 89 mm
• Weight: ~100 g

Key Features

• Dual Role: Bus communication interface + power supply for X20 I/O station
• Leftmost Slot Only: Dedicated position as station head (no other module allowed to its left)
• Isolated Power: Separates system and field power for noise immunity
• Redundancy Ready: Enables fault-tolerant X2X Link power networks
• Integrated Protection: Built-in fuse and reverse polarity safeguarding
• Diagnostics: LED indicators for quick status and fault identification

Applications

• X20 System Backbone: Mandatory base module for every X20 I/O station
• Distributed I/O: Connects remote X20 stations to PLC/controller via X2X Link
• Modular Automation: Standard base for packaging, machine tools, and process control systems