Product Specification – X20BB80

1. General Information

• Manufacturer: B&R Industrial Automation

• Part Number: X20BB80

• Product Type: Bus Base Module (System Backplane)

• Product Series: X20 Distributed I/O System

• Product Status: Active (In Production)

• Protection Rating: IP20

• Certifications: CE, UKCA, cULus, EAC, KC, ATEX (Zone 2, II 3G Ex nA nC IIA T5 Gc), cCSAus (Class I, Div 2), DNV, LR, ABS, CCS

• Application: Mechanical mounting base, backplane bus interface, and power distribution for X20 bus controllers (BC) and power supply modules

2. Product Overview

3. Technical Specifications

3.1 Power Characteristics

• Nominal Supply Voltage: 24 VDCB& R Industrial Automation

• I/O Power (Permissible Contact Load): 10 AB& R Industrial Automation

• Power Consumption (Bus): 0.25 WB& R Industrial Automation

• Isolation: Full galvanic isolation between field, logic, and bus sides

3.2 Mechanical Specifications

• Dimensions: 37.5 mm (W) × 102 mm (H) × 51 mm (D)

• Weight: Approx. 0.1 kg

• Pitch: 37.5 mm

• Mounting: Standard DIN rail

• Mounting Orientation:

  • Horizontal: -25 °C to +60 °C

  • Vertical: -25 °C to +50 °C

• Included Components: Left end plate (X20AC0SL1), Right end plate (X20AC0SR1)

3.3 Environmental Specifications

• Operating Temperature:

  • Horizontal: -25 °C to +60 °C

  • Vertical: -25 °C to +50 °C

• Storage / Transport Temperature: -40 °C to +85 °C

• Relative Humidity: 5–95% RH (non-condensing)

• Maximum Altitude: 2000 m (no derating); >2000 m: Derate ambient temp by 0.5 °C per 100 mB& R Industrial Automation

3.4 System Interface

• Backplane Bus: X20 internal high-speed communication bus

• Compatibility: Designed for X20 Bus Controller (BC) modules and X20 Power Supply modules

• Function: Establishes communication and power distribution path to the entire I/O stack

4. Key Features

• Integrated Bus Base & Power Distribution: Combines mechanical support, backplane communication, and power feeding

• Pre-installed End Plates: Complete enclosure with left/right covers included

• High Current Capacity: Supports up to 10 A for I/O power distributionB& R Industrial Automation

• Compact 37.5 mm Width: Optimized for space-saving control cabinet design

• Wide Temperature Range: Operates reliably in harsh industrial environments

• Global Certifications: Approved for hazardous areas (ATEX Zone 2) and marine applications

• Hot-Swappable Support: Enables safe module replacement during operation

• Full X20 System Compatibility: Works with all X20 I/O, controller, and power modules

5. Typical Applications

• Central backbone for X20-based PLC control systems

• Building distributed I/O stations in factory automation

• Machinery control panels and modular machine designs

• Process automation in hazardous (Zone 2) locations

• Marine and offshore automation platforms

• Food & beverage, packaging, and material handling systems

6. Compatibility

• Compatible Controllers: All X20 Bus Controller (BC) modules (e.g., X20BC0083, X20BC0063)

• Compatible Power Supplies: X20PS series modules (e.g., X20PS9400, X20PS9500)

• I/O Modules: All standard X20 analog, digital, and special-function I/O modules

• Software: B&R Automation Studio (for system configuration and diagnostics)

7. Reliability & Support

• Industrial-grade design for continuous 24/7 operation

• Maintenance-free passive component design

• Long-term product availability

• Global technical support and service network

• Comprehensive documentation and certification files