Beckhoff CX2020 PLC Hardware Specifications
Processor and Memory
CPU
Intel Celeron 827E, 1.4 GHz, single-core Beckhoff
Memory
2 GB DDR3 RAM (standard), expandable up to 4 GB
Persistent Storage
128 kB NOVRAM (for critical data storage without UPS)
RTC
Real-time clock with replaceable battery
Storage
Boot Media
CFast flash card (standard 20/40 GB, depending on system) Beckhoff
Expansion
Expandable via CX2550-0010 module, supports up to 3 CFast cards, RAID supported
Power Supply and Power Consumption
Power Supply
Requires CX2100 series power module, 24 V DC input
Maximum Power Consumption
21 W
Cooling
Passive fanless, all-metal casing cooling
Dimensions and Weight
Dimensions
144 mm × 99 mm × 91 mm (width × height × depth)
Interfaces and Communication
- Ethernet: 2 × Independent Gigabit RJ45 (10/100/1000 Mbps)
- Display: 1 × DVI-I (Supports dual-screen display)
- USB: 4 × USB 2.0 (for peripherals/storage)
- I/O Bus: Automatically identifies E-bus/K-bus (KL/KM series terminals)
- Expansion: Supports fieldbus/serial modules (RS232/485, PROFIBUS, CANopen, EtherCAT, etc.)
- Module Expansion: Up to 4 expansion modules can be connected to the right side of the CPU (PCIe bus)
Environment and Certifications
Operating Temperature
-25 °C to +60 °C (Wide Temperature Range)
Storage Temperature
-40 °C to +85 °C
Humidity
95%, non-condensing
Vibration/Shock Resistance
Complies with EN 60068-2-6 / EN 60068-2-27
EMC
Complies with EN 61000-6-2 / EN 61000-6-4