Product Overview
The X20BM11 is a compact backplane module designed for B&R’s X20 I/O system, providing a robust and flexible connection interface for up to 11 X20 I/O modules. It ensures reliable communication between the controller and I/O modules in industrial automation applications.

Key Specifications
1. General Parameters
Manufacturer: B&R Industrial Automation

Series: X20 System

Type: Backplane Module

Part Number: X20BM11

Slot Capacity: 11 modules (including power supply & communication interfaces)

Compatibility: Supports all X20 I/O modules (digital, analog, safety, communication)

2. Electrical & Communication
Bus Interface: Integrated X2X Link (high-speed communication between modules)

Data Transfer Rate: Up to 100 Mbps (determined by master controller)

Power Distribution: Backplane-powered (requires X20 PSxxxx power supply)

Isolation: Galvanic isolation between modules (prevents ground loops)

3. Mechanical & Environmental
Dimensions: 126 mm (W) × 117 mm (H) × 70 mm (D)

Mounting: DIN rail (35 mm)

Operating Temperature: -20°C to +60°C

Storage Temperature: -40°C to +85°C

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

Vibration/Shock Resistance: Complies with IEC 60068-2-6/27

4. Certifications & Standards
CE, UL, RoHS compliant

EMC Standards: EN 61000-6-2 (Immunity), EN 61000-6-4 (Emissions)

Industrial Safety: IEC 61131-2

Typical Applications
✔ Modular Machine Control
✔ PLC & PAC I/O Expansion
✔ Process Automation Systems
✔ Safety & Motion Control Applications

Installation & Integration
Plug-and-Play Design: Modules slide into slots and lock securely

Hot-Swappable (if supported by controller): Replace modules without powering down

Labeling Options: Slot numbering for easy identification

Note: The X20BM11 requires an X20 power supply (e.g., X20 PS9400) and a controller (e.g., X20 CPU) for operation.