Controllers

Industrial Controllers | The Command Center for Your Smart Automation

Welcome to our one-stop solutions center for industrial controllers. As the "brain" of any automated system, the controller is the absolute core for achieving outstanding productivity, system stability, and future flexibility. Understanding that different system architectures have different preferences, we proudly feature flagship controller products from the two global giants of industrial automation: Rockwell Allen-Bradley and Siemens. Here, you have the power of choice to find the perfect control platform for your application.

Explore Our Control Solutions

We offer the industry's most comprehensive controller portfolio, ensuring you can find the ideal choice regardless of the scale or complexity of your needs.

1. Rockwell Allen-Bradley Control Systems

As the cornerstone of The Connected Enterprise vision, Allen-Bradley controllers are renowned for their powerful performance, unified programming environment (Logix), and seamless integration capabilities.

  • ControlLogix Systems: The flagship Programmable Automation Controllers (PACs), designed for large-scale, high-performance, and complex multi-discipline applications.
  • CompactLogix Systems: Offering the same powerful features as ControlLogix in a more compact form factor, making them the perfect choice for mid-size machines or system-level control.
  • MicroLogix Family: Powerful and cost-effective small PLCs that provide flexible and reliable control for compact machinery and standalone automation tasks.

2. Siemens SIMATIC Controllers

Built on the concept of Totally Integrated Automation (TIA), Siemens controllers are globally recognized for their superior engineering efficiency, stability, and powerful scalability.

  • SIMATIC S7-1500 / S7-1200 Series: Future-proof high-performance and compact PLCs that deliver top-tier system performance, communication capabilities, and security within the TIA Portal.
  • SIMATIC S7-300 / S7-400 Series: A classic PLC platform proven in millions of applications worldwide, serving as a reliable foundation for medium-to-large tasks with its extreme stability and robust process control.
  • LOGO! Logic Modules: The intelligent alternative to traditional relay circuits, offering an intuitive and economical choice for small, simple automation tasks.

3. Distributed I/O Systems

Extend the reach of your controller to every corner of the field. We offer leading distributed I/O modules like the Siemens ET 200SP to help you save space, simplify wiring, and achieve efficient data acquisition.

Why Choose Us as Your Controller Supplier?

Top Brands, One-Stop Shop:

We offer a full range of controllers from both Allen-Bradley and Siemens. You no longer need to juggle multiple suppliers; you can compare, select, and procure the best products for your system in one place.

Massive In-Stock Inventory, Immediate Response:

We maintain a massive inventory of controllers and modules, ensuring you get the parts you need immediately to minimize project delays or production downtime.

100% Genuine Factory-Sealed Products:

We solemnly promise that every product we sell is a genuine, factory-sealed item. You can fully trust its superior performance, durability, and safety.

Cross-Platform Expert Technical Support:

Our team has a deep understanding of both the Logix and SIMATIC platforms. We can provide you with professional selection advice to ensure your system architecture is efficient, robust, and future-proof.

Take Action Now, Build Your Intelligent Automation System

Don't let the challenge of choosing slow down your journey to Industry 4.0. Start exploring our extensive controller catalog today and build a powerful, reliable "central brain" for your company's success.

Shop now and select the most suitable control core for your outstanding engineering projects!

If you have more questions or need a custom solution, reach out today—let’s keep your operations running smoothly!

Frequently Asked Questions

Why should I buy from Rabwell PLC instead of the original manufacturer?

We specialize in providing cost-effective alternatives and replacements for industrial automation parts, often at lower prices than OEMs while maintaining high quality and compatibility. Unlike manufacturers, we offer a vast in-stock inventory (over 10,000 items) for immediate shipment, reducing your downtime. Plus, our global warehouses and express shipping options ensure faster delivery worldwide. Many customers choose us for our preferential discounts, personalized quotes, and reliable refurbished options that perform just as well as new parts.

Are your products genuine and reliable?

Yes, all our products are sourced from reputable suppliers and undergo quality checks to ensure they meet industry standards. We focus on compatible replacements and refurbished items that are fully tested for functionality. With our high reputation in the industrial automation field, we back every purchase with warranties and support. If you're unsure about compatibility (e.g., for Allen-Bradley 1734 series modules), our experts can guide you.

What payment methods do you accept?

We offer secure and convenient payment options including Visa, Mastercard, AMEX, Discover, JCB, PayPal, and Diners Club. All transactions are encrypted to protect your information, giving you peace of mind during checkout.

How long does shipping take, and where do you ship to?

Most in-stock orders ship within 2-3 business days from our warehouses in the US, Canada, or Hong Kong. Delivery times vary by location: 3-7 days for express options via UPS, DHL, or FedEx. We ship worldwide to the United States, South America, Europe, Southeast Asia, the Middle East, Africa, and beyond. Check our Shipping Policy for details on duties, tracking, and any restrictions.

Do you offer discounts or bulk pricing?

Absolutely! We provide preferential discounts for bulk orders, repeat customers, or custom quotes. Simply use our “Request Quote” form on product pages or contact our team—we’ll tailor pricing to your needs and respond within 24 hours.

What is your return and warranty policy?

We stand behind our products with a satisfaction guarantee. Most items come with a 30-day return window and a warranty period (typically 1-2 years, depending on the product). If there’s an issue, contact us for easy returns or replacements. Full details are in our Policy section.

How can I get help with product selection or technical questions?

Our team of specialists is available for expert advice. Use the “Contact Us” page, call us, or request a quote—we can recommend alternatives, confirm compatibility, or even provide troubleshooting tips based on your specific setup.

Is shopping on your site secure?

Yes, we use advanced encryption and secure protocols to protect your data. We never store sensitive payment information, and all transactions comply with industry standards for safe online shopping.