Product Specification – X20BC0087

1. General Information

• Manufacturer: B&R Industrial Automation

• Part Number: X20BC0087

• Product Type: Bus Controller (Modbus TCP/UDP Slave Interface)

• Product Series: X20 Distributed I/O System

• B&R ID Code: 0x227CB& R Industrial Automation

• Product Status: Active (In Production)

• Protection Rating: IP20B& R Industrial Automation

• Certifications: CE, UKCA, cULus, cCSAus, ATEX (Zone 2, II 3G Ex nA nC IIA T5 Gc)B& R Industrial Automation

2. Product Overview

3. Technical Specifications

3.1 Fieldbus Interface (Modbus TCP/UDP)

• Protocol: Modbus TCP, Modbus UDP (Slave)B& R Industrial Automation

• Connectors: 2 x RJ45 (10/100BASE-TX)

• Transfer Rate: 10/100 Mbit/s (Auto-Negotiation)

• Duplex Mode: Half / Full duplex

• Cable Distance: Max. 100 m per segment

• Switch Features: Auto-MDI/MDIX, integrated 2-port switch

• Network Configuration: DHCP / BootP capableB& R Industrial Automation

• I/O Cycle: Configurable (0.5 ms – 4 ms)B& R Industrial Automation

• Response Time: < 1 – 8 ms (load-dependent)B& R Industrial Automation

3.2 X2X Link Backplane Interface

• Bus System: X2X Link (internal X20 backplane)

• Hot-Swappable: Yes

• I/O Capacity: Supports full range of X20 I/O modules

3.3 Electrical Characteristics

• Supply Voltage: 24 VDC (from X20 bus base)

• Power Consumption: 2 WB& R Industrial Automation

• Isolation: Full galvanic isolation (fieldbus / X2X Link / I/O)B& R Industrial Automation

• Protection: Reverse polarity, overvoltage, short-circuit

3.4 Mechanical Specifications

• Dimensions: 37.5 mm (W) × 102 mm (H) × 70 mm (D)B& R Industrial Automation

• Weight: Approx. 0.05 kg

• Mounting: Standard DIN rail

• Module Width: 37.5 mmB& R Industrial Automation

3.5 Environmental Specifications

• Operating Temperature:

  • Horizontal: -25 °C to +60 °C

  • Vertical: -25 °C to +50 °C

• Storage / Transport: -40 °C to +85 °CB& R Industrial Automation

• Humidity: 5–95% RH (non-condensing)B& R Industrial Automation

• Vibration/Shock: IEC 60068 compliant

3.6 Status Indicators

• Module Status LED: Green (Run), Red (Error)B& R Industrial Automation

• Bus Function LED: Yellow (Bus active)B& R Industrial Automation

3.7 Diagnostics

• Comprehensive module, bus, and I/O diagnosticsB& R Industrial Automation

• LED status indicationB& R Industrial Automation

• Software-based diagnostics via Automation StudioB& R Industrial Automation

• Command sequence validity checkB& R Industrial Automation

4. Key Features

• Modbus TCP/UDP Slave interface for broad compatibilityB& R Industrial Automation

• Integrated 2-port Ethernet switch for daisy-chainingB& R Industrial Automation

• Auto-negotiation & Auto-MDI/MDIX for easy setup

• Flexible network addressing (DHCP/BootP)B& R Industrial Automation

• Configurable I/O cycle timesB& R Industrial Automation

• Full galvanic isolationB& R Industrial Automation

• ATEX Zone 2 hazardous area approvalB& R Industrial Automation

• Hot-swappable design

• Global certifications

5. Typical Applications

• Connecting X20 I/O to Modbus TCP/UDP systems

• Third-party PLC integration (Modbus masters)

• Legacy system modernization

• Factory automation & process control

• Hazardous location (Zone 2) installationsB& R Industrial Automation

• Material handling & packaging machinery

6. System Compatibility

• Bus Base Module: X20BB80 (required)B& R Industrial Automation

• Power Supply: X20PS9400, X20PS9402B& R Industrial Automation

• I/O Modules: All X20 analog, digital, temperature modules

• Software: B&R Automation Studio

7. Reliability & Support

• Industrial-grade design for continuous 24/7 operation

• Maintenance-free passive components

• Long-term product availability

• Global technical support & service network

• Comprehensive documentation & certification files