Best 8 PLC Controller Manufacturers in 2024

09 July 2024

Hey guys, whether you're a tech geek or a professional engineer, picking the right programmable logic controller (PLC) can be critical to the success of your project!

By 2024, there will be a handful of plc manufacturers whose quality, stability, and value for money are simply outstanding.

Today's guide, specifically for us to take stock of the eight PLC controller industry star manufacturers, but also tell you how to buy these controllers the most cost-effective, to ensure that your wallet does not suffer!


Image Source: Amazon

What Is a PLC Controller

PLC controller, it is a special kind of microcontroller produced by Microchip technology company.

This thing is designed for industrial automation and control of those big scenes.

You can program the PLC to do specific tasks, such as staring at various input signals in real time, processing complex logic, and controlling the output.

PLC controller leather, reliable, but also particularly flexible, so in the industrial industry, business industries are particularly popular on various occasions.

what are plcs

Image Source: Electrical Technology

What Does a PLC Controller Do

PLC controller is simply a generalist in automation and control systems. Let's take a look at what it can do:

1. Input monitoring: It can read and stare at signals from various sensors and devices, such as temperature sensors, switches, pressure sensors, etc., like a super detective.

  • Logic processing: Processing these input signals according to programmed programs and algorithms, and then making decisions. In this logic, there is everything, mathematical calculation, comparison, data magic and so on.
  • Output control: According to the processed input signals and programmed instructions, control those output devices, such as motors, lights, relays, actuators, etc., so that they are obedient.
  • Timing and counting: Also capable of timing and counting work, which is useful for tasks requiring precise control, such as controlling motor speed, generating pulses, counting events, etc.
  • Communication: It also allows different devices and systems to chat with each other, using various communication protocols, such as UART, SPI, I2C, CAN, etc., just like a translator.
  • Data storage and retrieval: It can also store and retrieve data, which can be used to record events, maintain system state, or do complex calculations.

what does plc do

Image Source: Polycase

Advantages of PLC Controller

Speaking of PLC (Programmable Logic Controller) controller ah, it is really a lot of benefits, a variety of applications love to use it:

  • Affordable: PLC controller is affordable, performance is not discounted, especially for those who have a limited budget but want to do big projects.
  • Versatile gadget: It's super flexible and can be found in everything from small household gadgets to complex industrial automation equipment.
  • Easy to use, with plenty of tutorials, development tools and documentation, whether you're a novice or a veteran, it's easy to navigate.
  • Lots of choices: PLC controller models, different functions, designers can choose the most suitable one according to their needs.
  • Many PLC controllers are low power design, especially suitable for battery powered and energy saving application scenarios.
  • Stable and reliable: It is known for its durability and stable performance, which is a peace of mind for those critical tasks.
  • Rich peripherals: PLC controllers can work with a lot of peripherals, such as analog-to-digital converter (ADC), digital-to-analog converter (DAC), timer, communication module, etc., powerful.
  • Strong community support: There is a large community of users and developers behind each other to help each other, share knowledge, solve problems, and a variety of open source resources for free.
  • Strong scalability: The PLC controller also supports flexible expansion, and the system upgrade or downgrade is easy, without a major redesign.
  • Online programming is super convenient: Many PLC controllers also support online programming (ICSP), which can update the firmware directly on the board, saving time and effort.

Where to Buy An Inexpensive PLC Controller [Best 8 Manufacturers Prices]

Here are best 8 PLC manufacturers for you to take reference:


Siemens is the leader in the PLC industry, quality and reliability are strong. Their SIMATIC controller family, which integrates advanced OT/IT technology, also promises future upgrades with AI and edge technologies. Although the price of Siemens equipment is high, the performance is super stable, and the investment is absolute!

Rockwell Automation/Alan Bradley

Rockwell Automation, Allen - Bradley this brand, PLC from large to small, to micro. They offer off-the-shelf solutions that designers especially love. There is also a convenient configurator to help engineers precisely select the right design configuration. Rockwell is known for its strong customer support, its market share and its knowledge of manufacturing trends. Well, the equipment is not cheap.

Mitsubishi Electric

Mitsubishi Electric, a veteran company in Tokyo, MELSEC series of PLC products have many kinds, fast, safe, small size, and can meet any needs. Mitsubishi Electric's products have a good reputation in the industry and are easily available.

Schneider Electric

Schneider Electric offers a wide range of PLC solutions, from small automation equipment to advanced machine automation. Their products are highly innovative, easily available through major distributors, and extremely convenient to purchase.


ABB's AC500 series PLC offers flexibility for a wide range of applications. From 1988 to the present, ABB has been a household name in industrial automation, reliable and versatile.


Honeywell's ControlEdge and MasterLogic PLC, which are designed to be flexible, are also full of features, such as network security, modular input and output, and multiple communication interfaces. Honeywell is truly committed to building robust industrial controllers that meet a wide range of industrial needs.


Omron, its PLC is known for its durability and accuracy, and is often used in all kinds of mechanical equipment. They have many PLC models, from entry-level to high-end goods, like NX, NJ, CX, CP series, what applications can be done.

Delta Electronics

Delta Electronics is recognized for its comprehensive range of PLCs suitable for industrial automation. They emphasize innovation and reliability, catering to diverse automation needs with solutions that are easy to integrate and maintain.

And here look at the prices of one of the examples of PLC controllers–FC6A-D32K3CEE:


Unit Price

Quantity Available




1 US$941.85





1 US$812.97




Mouser Electronics

1 US$795.24


Global Support


FAQ: How to Buy PLC Controller Online [Chipsmall]

Buying PLC (Programmable Logic Controller) online from Chipsmall is easy, just a few steps to ensure that your shopping goes smoothly:

Visit the Chipsmall website

Open your web browser, type in Chipsmall's URL, and go to the ChipSmall website.

Find the PLC controller section

Look in the navigation bar of the website, or use the search bar for "PLC controller". Chipsmall organizes products into categories so you can find them easily.

View PLC controller models

See what PLC controller models Chipsmall has to offer. Detailed specifications, features and pricing information will be found below each product.

Choose a suitable PLC controller

According to your needs, choose a suitable PLC controller model. Click on the product page for more detailed information.

Review product details carefully

On the Chipsmall website, take a closer look at the technical specifications, dimensions, supported features, and other accessories you may need for this PLC controller.

Check inventory and prices

Make sure the PLC controller you want is available and the price is right. Chipsmall will display real-time inventory and prices, very transparently.

Add to cart

After deciding which PLC to buy, click the "Add to Cart" or similar button to add it to your cart.

Go to check out

Go to the shopping cart page, check out the items, and click "Go to checkout" to begin the purchase process.

Fill in the receiving information

Fill in your shipping address and desired delivery method accurately. The information must be correct, otherwise the delivery may be delayed.

Select payment method

Choose one of the payment methods Chipsmall offers, such as credit card, debit card, PayPal or other secure payment channels, and follow the prompts to complete the payment.

Confirm order and place order

Look at your order information, including PLC controller model, quantity, shipping address and total price. Click "Order" or a similar button to complete the purchase.

Receive order confirmation email

After placing your order, Chipsmall will send a confirmation email to your registered email address. The email will contain the order number and other important information.

Tracking logistics

Track your PLC controller with logistics information from Chipsmall. That way you'll know where it's going and when.

Receive and inspect the goods

When you receive the package, look carefully to see if it was damaged in transit. Double check that the contents are the same as your order.

Installation and setup

Follow the manufacturer's instructions that came with the PLC controller for installation and setup. If you need help, check out the user manual or online resources.

Contact customer service (if necessary)

Feel free to contact Chipsmall customer service if you have any problems with purchasing, shipping or setting up your PLC controller. They can help by email, phone or live chat.

Final Verdict

Choosing the PLC (Programmable Logic Controller) manufacturer is critical to the success of an automation project. By 2024, these manufacturers are particularly strong.

Siemens, Rockwell Automation/Allen-Bradley, Mitsubishi Electric, Schneider Electric, ABB, Honeywell, Omron, and Chipsmall all have a variety of solutions to meet different needs.

These PLC manufacturers have worked hard on quality and innovation, so they are the leaders in the PLC controller industry.


Disclaimer: The views and opinions expressed by individual authors or forum participants on this website do not represent the views and opinions of Chipsmall, nor do they represent Chipsmall's official policy.

Best 8 PLC Controller Manufacturers in 2024

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