Product Specification – X20CP34851

1. General Information

• Manufacturer: B&R Industrial Automation

• Part Number: X20CP34851（Full model：X20CP3485-1）

• Product Type: High-performance CPU Controller

• Product Series: X20 Control System

• Certification: CE, cULus, EAC, ATEX Zone 2

• Product Status: Mass production active

• Protection Class: IP20

2. Product Overview

3. Technical Specifications

3.1 Processor & Memory

• Main CPU: Intel Celeron 400 MHz, with FPU floating-point unit

• Secondary I/O processor: Independent processing of backplane I/O data

• System memory: 64 MB SDRAM

• Retentive memory: 1 MB battery-backed SRAM

• External storage: 1 × CompactFlash card slot for program and data storage

• Real-time clock: Battery powered, power-off time keeping

3.2 Onboard Communication Interfaces

• Ethernet: 1 × RJ45, 10/100 Mbps, support TCP/IP, Modbus TCP

• POWERLINK: 1 × RJ45, real-time industrial bus

• Serial interface: 1 × RS232, for debugging and HMI connection

• USB: 2 × USB2.0, for program download and peripheral connection

• Backplane bus: X2X Link, as local I/O master station

• Expansion capability: 3 slots for X20IF series fieldbus interface modules

3.3 Control Performance

• Minimum task cycle: 400 μs

• Programming standard: IEC 61131-3, supported by Automation Studio

3.4 Electrical Parameters

• Rated supply voltage: 24 VDC

• Power consumption: About 9.7 W

• Isolation design: All communication interfaces adopt galvanic isolation

• Protection: Reverse polarity, overvoltage, EMC anti-interference protection

3.5 Mechanical & Installation

• Mounting: Standard 35 mm DIN rail

• Cooling method: Fanless passive heat dissipation, maintenance-free

• Equipped with 12-pin terminal block for power and signal wiring

3.6 Environmental Conditions

• Operating temperature: 0 °C ~ +60 °C

• Storage temperature: -40 °C ~ +85 °C

• Relative humidity: 5%～95% RH, non-condensing

• Vibration and shock: Compliant with IEC 60068 industrial standard

3.7 Indication & Diagnosis

• LED status indicators: Power, Run, Error, Ethernet, POWERLINK, CF card, Battery

• Support module self-diagnosis, network status detection, over temperature and overload alarm

• Remote configuration, program download and fault diagnosis via Automation Studio

4. Key Features

• 400 MHz high-performance processor, suitable for complex logic and multi-axis motion control

• 3 independent interface expansion slots, flexible access to Profibus, CANopen, PROFINET and other protocols

• Full fanless design, no fan maintenance, high long-term operation reliability

• Integrated POWERLINK real-time bus, meets high-precision synchronous control requirements

• Battery-backed data retention, ensure process data is not lost after power off

• ATEX Zone 2 certification, applicable to harsh and hazardous industrial environments

• Perfectly compatible with all X20 digital, analog, temperature and special function modules

5. Typical Applications

• Medium and large production line and automated machinery control

• Multi-axis servo motion control system

• Packaging, printing, textile and robotic equipment

• Process automation, water treatment and energy industry control system

• Distributed I/O master station with multi-fieldbus hybrid networking

• Zone 2 hazardous area large-scale PLC control system

6. Compatibility

• Matching base module: X20BM01, X20BM11, X20BB80

• Expandable modules: X20IF series all fieldbus interface modules

• Peripheral I/O: Full range of X20 digital, analog, temperature modules

• Configuration software: B&R Automation Studio