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The Most Popular PLC Brands for Automation

1. Siemens

Siemens is a global powerhouse in automation technology, and their SIMATIC PLC series is widely recognized for its performance and versatility. From the compact S7-1200 to the high-end S7-1500, Siemens PLCs offer a range of features, including integrated safety, advanced motion control, and seamless integration with HMI systems. With a user-friendly programming environment and extensive online resources, Siemens automation equipment is a top choice for both beginners and experienced professionals.

2. Allen-Bradley (Rockwell Automation)

Allen-Bradley, a brand of Rockwell Automation, has been a prominent player in the PLC market for decades. Their ControlLogix and CompactLogix series are known for their robust design, scalability, and ease of use. Allen-Bradley PLCs offer a wide range of communication options, including EtherNet/IP, and seamless integration with other Rockwell Automation products. With a strong focus on customer support and training, Allen-Bradley’s range of industrial automation parts are a popular choice for industries such as automotive, food and beverage, and oil and gas.

3. Mitsubishi Electric

Mitsubishi Electric is a leading manufacturer of PLCs, known for their reliability and performance in harsh industrial environments. The MELSEC series, which includes the compact FX and the high-performance iQ-R, offers a range of features such as built-in Ethernet, advanced motion control, and integrated safety functions. Mitsubishi Electric PLCs are widely used in industries such as manufacturing, water treatment, and renewable energy.

4. Omron

Omron is a well-established brand in the automation industry, offering a comprehensive range of PLCs to suit various applications. The CP1 and CJ series are popular choices for small to medium-sized applications, while the NJ and NX series offer advanced features for more complex systems. Omron PLCs are known for their user-friendly programming software, CX-One, which includes simulation tools and extensive libraries. With a strong emphasis on innovation and customer support, Omron is a trusted choice for many automation professionals.

5. Schneider Electric

Schneider Electric offers a diverse range of PLCs, from the compact Modicon M221 to the high-performance Modicon M580. Their PLCs are known for their robustness, cybersecurity features, and ease of integration with other Schneider Electric products, such as HMIs and variable frequency drives. With a focus on energy efficiency and sustainability, Schneider Electric PLCs are well-suited for applications in the water/wastewater, building automation, and power generation industries.

6. ABB

ABB is a global leader in power and automation technologies, and their PLC offerings are no exception. The AC500 series is a versatile and scalable platform, with options ranging from the compact AC500-eCo to the high-performance AC500-XC. ABB PLCs are known for their open architecture, allowing for easy integration with third-party devices and systems. With a strong focus on quality and reliability, ABB automation parts and PLCs are widely used in the oil and gas, marine, and process industries.

7. Beckhoff

Beckhoff is a German-based company that has gained a reputation for its innovative and high-performance PLCs. Their TwinCAT software platform combines PLC, motion control, and HMI functionality into a single, integrated development environment. Beckhoff PLCs, such as the CX series, are known for their compact design, high processing power, and real-time Ethernet capabilities. With a strong focus on Industry 4.0 and IoT, Beckhoff is a popular choice for advanced manufacturing and machine building applications.


Choosing the right PLC brand for your automation needs depends on factors such as application requirements, scalability, ease of use, and integration with existing systems. The seven popular PLC brands discussed in this article – Siemens, Allen-Bradley, Mitsubishi Electric, Omron, Schneider Electric, ABB, and Beckhoff – each offer unique features and benefits that cater to different industries and applications.

By understanding the strengths and capabilities of each brand, you can make an informed decision that will optimize your automation system’s performance, reliability, and efficiency. Remember to consider factors such as technical support, training resources, and the availability of local distributors when making your choice.

Investing in a reliable and well-supported PLC brand will ensure the success of your automation projects and provide a strong foundation for future growth and innovation.

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