Beckhoff CX9020 PLC

Brand/Series: Beckhoff CX9020; DIN rail compact ARM architecture embedded PC, integrated E-bus/K-bus auto-identification, expandable with multiple fieldbus interfaces

• Common variants:

◦ CX9020-B110 (EtherCAT slave)

◦ CX9020-M310 (PROFIBUS master)

◦ CX9020-M510 (CANopen master)

◦ CX9020-M930 (PROFINET RT controller)

◦ CX9020-N030 (RS232), CX9020-N031 (RS485)

II. Hardware and Storage Parameters

1. Processor: ARM Cortex-A8, 1 GHz single core

2. Memory/Storage: 1 GB DDR3 RAM (non-expandable); dual microSD card slots (standard 512 MB card, expandable); 128 kB NOVRAM Non-volatile data area

3. Power supply: 24 V DC (-15%~+20%); E-bus/K-bus power supply maximum 2 A; Power consumption: 5 W normally, 9 W when charging with UPS

4. Dimensions and weight: 84 × 99 × 91 mm (W × H × D); approx. 590 g; IP20 protection, passive fanless cooling

5. RTC: Real-time clock with replaceable battery; integrated power-loss protection mechanism

III. Interfaces and Communication

• Ethernet: 2×RJ45 (10/100 Mbit/s, built-in switch, supports linear topology)

• Display / Peripherals: 1×DVI-D, 4×USB 2.0

• Optional interfaces: 1 expansion slot, supports fieldbus, serial port, audio module

• Protocol support: ADS, Modbus TCP, TCP/IP, UDP/IP; supports EtherCAT, PROFIBUS, PROFINET, CANopen with TwinCAT

• Programming: TwinCAT 2 (IEC 61131-3), Windows Embedded Compact 7 system

IV. Environment and Certifications

• Operating Temperature: -25～+60 °C (wide temperature range)

• Storage Temperature: -40～+85 °C; Humidity 95% non-condensing

• Certifications: CE, UL, DNV GL; Optional ATEX/IECEx explosion-proof certification