5 best leading plc Manufacturers 2024 - Electronicsinfos

5 best leading plc Manufacturers in 2024

    5 best leading plc Manufacturers 2024 - Electronicsinfos
    5 Best Plc Brand List 2024

    What is a PLC?

    Plc is a Programming logic controller. it is a logic-based program that consists of inputs and output. For example, if we want to on the two lamps simultaneously we connect in a series connection. Three types of plc based on the output are categorised

    • Relay Output
    • Triac Output
    • Transistor output
    The working principle of plc is to process the input, execute the pre-written program and deliver the result in the form of output. 

    There are four components of plc are 
    • input/output
    • Processor
    • Power supply
    • programming device or controller

    5 best leading plc Manufacturers 2024 - Electronicsinfos
    Input/Output Configuration process

    To write the program in the plc we used different programming languages for example
    • Ladder Diagram(LD)
    • Sequential function charts(SFC)
    • Function Block diagram(FBD)
    • Structured text(ST)
    • Instruction List(IL)

    5 Best Leading Plc Manufacturers in 2024

    1. Siemens
    2. Allen Bradley
    3. ABB
    4. Omron
    5. Delta


    Siemens is a multinational conglomerate company headquartered in Munich, Germany. The company operates in a variety of industries, including energy, healthcare, transportation, and manufacturing. 

    Siemens was founded in 1847 by Werner von Siemens and Johann Georg Halske as a telegraph company. Over time, the company expanded into other areas and became a major player in the global marketplace. 

    Today, Siemens is one of the largest engineering companies in the world, with over 300,000 employees in more than 200 countries.

    Its products and services include power generation equipment, medical imaging and laboratory diagnostics equipment, automation and control systems, transportation solutions, and much more.

    5 best leading plc Manufacturers 2024 - Electronicsinfos
    Latest Plc Manufacturues 2024

    Plc Products

    • Logic Module
    • Simatic S7-1500
    • Simatic S7-1500 software controller
    • Simatic S7-300
    • Simatic S7-400
    • Simatic Drive Controller
    • Simatic S7-1200

    Market capitalisation

    88.67 billion EUR

    Allen Bradley

    Allen Bradley is a brand of industrial automation equipment owned by Rockwell Automation, a global technology company based in Milwaukee, Wisconsin. 

    The Allen Bradley brand is known for its programmable logic controllers (PLCs), human-machine interfaces (HMIs), motor control centres (MCCs), and other automation equipment used in manufacturing and industrial settings.

    5 best leading plc Manufacturers 2024 - Electronicsinfos
    Famous Plc Companies 2024

    Plc Products

    • Allen Bradley 
    • MicroLogix PLC System
    • Allen Bradley CompactLogix PLC System
    • Allen Bradley ControlLogix PLC System

    Market capitalisation



    ABB is a Swiss multinational corporation that operates mainly in the areas of robotics, automation, and power technology. 

    The company was formed in 1988 from the merger of two companies: ASEA, a Swedish company founded in 1883, and Brown, Boveri & Cie, a Swiss company founded in 1891. 

    ABB stands for ASEA Brown Boveri.

    ABB operates in more than 100 countries and employs approximately 132,000 people worldwide. 

    The company's products and services include power grids, electrification products, industrial automation, robotics and motion, and discrete automation and motion. 

    ABB's offerings cover various industries, including utilities, transportation, mining, oil and gas, and manufacturing.

    5 best leading plc Manufacturers 2024 - Electronicsinfos
    Best Plc 2024

    Plc Products

    ABB AC500 PLC System
    ABB AC500-eCo PLC System
    ABB AC500-S Safety PLC System
    ABB AC500-XC Extreme Conditions PLC System

    Market capitalisation

    53.22 billion CHF


    Omron Corporation is a Japanese electronics company that produces and sells a wide range of industrial automation and electronic equipment. 

    The company was founded in 1933 in Kyoto, Japan, and has since grown to become a global leader in the field of automation technology.

    Omron's product line includes sensors, relays, switches, timers, controllers, and other industrial automation components. 

    They are known for their high-quality, reliable products and focus on innovation and customer satisfaction.

    5 best leading plc Manufacturers 2024 - Electronicsinfos

    Plc Products

    • Omron CP Compact PLC
    • Omron CJ Module PLC
    • Omron CS Rack PLC

    market capitalisation

    1.50 trillion JPY


    Delta is a Taiwanese multinational company that specializes in power and thermal management solutions, industrial automation, and electronic components. 

    The company was founded in 1971 and has since grown to become a global leader in the field of power electronics.

    Delta's product line includes power supplies, uninterruptible power supplies (UPS), energy storage systems, industrial automation products, displays, and networking solutions. 

    They are known for their high-quality, reliable products and their focus on sustainability and environmental responsibility.

    5 best leading plc Manufacturers 2024 - Electronicsinfos

    Plc Products

    • Compact Modular Mid-range PLC - AS Series
    • Programmable Logic Controllers - DVP Series
    • DVP Series Standard CPU
    • DVP Series Slim CPU
    • DVP Series Motion CPU

    Market capitalisation

    696.14 billion TWD


    In conclusion, the landscape of PLC (Programmable Logic Controller) manufacturers is diverse and dynamic, with several key players dominating the market
    • Siemens, with its Simatic PLC, holds a significant market share
    • Rockwell Automation's Allen Bradley PLC is another market leader, known for its reliability and advanced features.

    As of 2024, the leading PLC manufacturers remain consistent, with Siemens, Allen Bradley, ABB, Omron, and Delta being the top contenders, indicating a stable market with established players.

    Faqs(Frequently Asked Questions)

    What factors should I consider when choosing a PLC?

    • Evaluate the manufacturer's reputation and technical services.
    • Determine the I/O point count required for your control equipment.
    • Consider the storage capacity and program capacity needed for your application.

    Are there different types of PLCs for various applications?

    • Yes, modular PLCs allow you to select and configure I/O points as needed.
    • For simpler control systems, Japanese PLC products may offer cost advantages.
    • European and American PLCs are preferred for larger-scale systems with high network communication requirements.

    How do I estimate the memory capacity for a PLC?

    There's no fixed formula, but a general estimation is 10-15 times the digital I/O point count plus 100 times the analogue I/O point count, with an additional 25% margin.

    What operational functions should a good PLC have?

    • Basic PLCs should include logical operations, timing, and counting functions.
    • More advanced PLCs also feature data shift, comparison, and other operational functions.

    What is the role of a PLC in industrial automation?

    PLCs serve as the brains of automated systems, processing inputs from sensors and executing control actions based on predefined logic.

    They are designed to replace traditional relay-based control systems, enhancing flexibility, efficiency, and reliability.

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