B&R X20CP3485 X20 CPU Module

Product Overview

Brand: B&R (Bernecker & Rainer)
Series: X20 System
Model: X20CP3485
Product Type: X20 PLC CPU Module
Function: The B&R X20CP3485 is a high-performance CPU module designed for X20 automation systems. It provides PLC control processing, real-time communication, motion control, and distributed I/O management. It integrates Ethernet, POWERLINK, USB, RS232, and X2X Link interfaces for flexible industrial automation applications.

Technical Specifications

General Data

• CPU Type: X20 System CPU Module
• Processor: Intel Celeron 400 MHz
• CPU Architecture: CPU with integrated I/O processor
• Cooling: Fanless design
• Installation: X20 modular backplane system
• Protection Rating: IP20
• Application Memory: CompactFlash card
• Expansion Slots: 3 × modular interface slots

Memory

• RAM: 32 MB SDRAM
• User SRAM: 1 MB
• Remanent Variables: Up to 256 kB
• Memory Expansion: CompactFlash card support
• Battery Backup: Lithium battery supported

Communication Interfaces

Ethernet

• Interface: RJ45 Ethernet
• Speed: 10/100 Mbps
• Application: PLC programming, HMI, SCADA communication

POWERLINK

• Interface: POWERLINK V1/V2
• Speed: 100 Mbps
• Application: Real-time motion and I/O communication

RS232

• Interface: Serial communication port
• Maximum Speed: 115.2 kbps

USB

• Ports: 2 × USB 1.1
• Maximum Current: 0.5 A per port

X2X Link

• Interface: X2X Link Master
• Function: Distributed I/O expansion communication

Power Supply

• CPU Supply Voltage: 24 VDC (-15% / +20%)
• Maximum Input Current: 2.2 A
• X2X Link Output Power: 7 W
• Reverse Polarity Protection: Yes
• Overload Diagnostics: Supported

Operating Conditions

• Operating Temperature:
  • Horizontal installation: 0°C to 55°C
  • Vertical installation: 0°C to 50°C
• Storage Temperature: -25°C to +70°C
• Humidity: 5–95% RH (non-condensing)
• Mounting: Horizontal or vertical installation

Advantages & Features

High-Speed PLC Processing

Equipped with Intel Celeron processor and integrated I/O processing capability, providing fast execution for complex automation programs.

Integrated Real-Time Communication

Built-in Ethernet and POWERLINK interfaces support high-speed communication between PLCs, drives, and distributed I/O devices.

Powerful Motion Control Capability

Supports B&R ACOPOS motion systems, making it suitable for multi-axis motion control applications.

Flexible Expansion

Three modular interface slots allow additional communication and function modules to be added according to system requirements.

Fanless Industrial Design

Fanless construction improves reliability, reduces maintenance requirements, and increases service life.

Compact Automation Solution

Combines CPU, communication, and I/O management functions in a compact X20 module design.

Typical Applications

• Industrial automation systems
• Packaging machinery
• Robotics and motion control systems
• CNC equipment
• Semiconductor manufacturing equipment
• Production line control
• Material handling systems
• Process automation systems
• Machine building applications

Precautions

• Confirm compatibility with the B&R X20 system before installation.
• Ensure 24VDC power supply is within the specified range.
• Install the correct CompactFlash application memory before operation.
• Backup PLC programs and parameters before replacing the CPU.
• Handle the module with anti-static protection.
• Check Ethernet and POWERLINK communication settings before startup.
• Ensure proper grounding and cabinet ventilation.
• Replace the backup battery according to maintenance requirements.