--- title: "CONTROLLINO MAXI" url: "https://maker.wiznet.io/irina/resellers/controllino-maxi/" markdown_url: "https://maker.wiznet.io/irina/resellers/controllino-maxi/md" type: "VAR: Value-Added Reseller Products" author: "CONTROLLINO" author_url: "https://www.controllino.com/product/controllino-maxi/" editor: "WIZnet" editor_url: "https://maker.wiznet.io/" original_author: "CONTROLLINO" original_url: "https://www.controllino.com/product/controllino-maxi/" published: "2025-11-27" language: "en" likes: 0 views: 452 comments: 0 source: "WIZnet Makers (https://maker.wiznet.io/)" --- # CONTROLLINO MAXI > CONTROLLINO MAXI is a CE-certified, Arduino-compatible industrial PLC from Spain with W5100 Ethernet, protected I/O, relays, and RS485 for automation and smart Original author: CONTROLLINO (source: https://www.controllino.com/product/controllino-maxi/) ## Documents and links - [User Guide](https://www.controllino.com/wp-content/uploads/2023/05/CONTROLLINO-User-Manual.pdf) (code) ## Article ### 🏭 **About CONTROLLINO / Company OverviewCONTROLLINO is an industrial PLC platform developed and produced in Spain**, designed to merge the **ease of Arduino development** with the **robustness of a certified industrial controller**. - The company strives to create hardware that allows developers to: - Prototype quickly using Arduino - Deploy the same code and hardware directly into industrial environments - Utilize reliable,** CE-certified electronics** with proper electrical protection, isolation, and surge handling - Reduce the gap between open-source prototyping and real-world automation hardware - CONTROLLINO is widely used in Europe for agriculture, industrial control, building automation, and educational systems. **Product Lineup:** - CONTROLLINO MINI - **CONTROLLINO MAXI(featured in this article)** - CONTROLLINO MEGA ![](https://maker.wiznet.io/upload/ckeditor5/857257499%5F1764252155%2Epng) VAT 21% = 259 € × 0.21 = **54.39 € => ** 259€ + 54.39€ = **313.39 €** 313.39 € × 1,690(KRW) ≈ **529,000(KRW)** --- ### 🖼️ **1. Product ** ![https://www.controllino.com/wp-content/uploads/2017/03/controllino_maxi_arduino_sps_plc_speicherprogrammierbare_steuerung_programmable_logic_controller_top_white-1024x1024.jpg](https://tse3.mm.bing.net/th/id/OIP.qKb9Vk3QAT4Aev_MnnVy9wHaHa?w=474&h=379&c=7&p=0) ![https://www.controllino.com/wp-content/uploads/2017/03/controllino_maxi_pure_arduino_sps_plc_speicherprogrammierbare_steuerung_programmable_logic_controller_side_white-1024x1024.jpg](https://tse3.mm.bing.net/th/id/OIP.2skpg6yaIpwq2HQmPxA3iwHaHa?w=474&h=379&c=7&p=0) > CONTROLLINO MAXI brings industrial safety and Arduino compatibility into a single, powerful controller. --- ## 🧩 **Key Features** - Full Arduino IDE compatibility - Built-in **WIZnet W5100 Ethernet** - Industrial-grade relay outputs - Protected digital & analog inputs - RS485 communication - RTC + Ethernet with shared SPI bus - DIN-rail mountable enclosure - 12–24V DC industrial power input - CE-certified hardware --- ### 🖼️ **2. Pinout Diagram** ![](https://maker.wiznet.io/upload/ckeditor5/857257499%5F1764256078%2Epng) > ![](https://maker.wiznet.io/upload/ckeditor5/857257499%5F1764256140%2Epng) > > A fully integrated multi-I/O controller ready for sensors, relays, RS485 devices, and networked automation. --- ### 🖼️ **3. Official Library GitHub Page** ![](https://maker.wiznet.io/upload/ckeditor5/857257499%5F1764255541%2Epng) 📎 **Official CONTROLLINO Arduino Library:** > The official library maintained by the Spanish development team includes examples for Ethernet, RTC, relay control, and safe I/O handling. --- ## 🧰 **Getting Started** 1. Install the CONTROLLINO Library in Arduino IDE 2. Select **CONTROLLINO MAXI** from the Board Manager 3. Provide 12–24V DC power 4. Connect Ethernet (RJ-45) 5. Upload sample Ethernet/RTC/Relay sketches If you know Arduino, you can start using MAXI in **less than 10 minutes**. --- ## 🌿 Compatible software ## Aduino : ![](https://maker.wiznet.io/upload/ckeditor5/857257499%5F1764256495%2Epng) **PlatformIO** : ![](https://maker.wiznet.io/upload/ckeditor5/857257499%5F1764256891%2Epng) **OpenPLC :** ![](https://maker.wiznet.io/upload/ckeditor5/857257499%5F1764256861%2Epng) **VS code+ VMicro:** ![](https://maker.wiznet.io/upload/ckeditor5/857257499%5F1764256831%2Epng) **Visuino **: ![](https://maker.wiznet.io/upload/ckeditor5/857257499%5F1764256711%2Epng) **Atmel studio **: ![](https://maker.wiznet.io/upload/ckeditor5/857257499%5F1764256697%2Epng) **log.CAD** : ![](https://maker.wiznet.io/upload/ckeditor5/857257499%5F1764256678%2Epng) **LabView **: ![](https://maker.wiznet.io/upload/ckeditor5/857257499%5F1764256671%2Epng) [Embedded media](https://www.youtube.com/embed/zlbC5xkWbBk) --- ## 🌿 **Use Cases** - Smart farming (irrigation, greenhouse control) - Industrial HVAC, pumps, motors - Building automation (lighting, energy, ventilation) - RS485-based field device control - IoT edge controllers - PLC education and laboratory training - Transitioning Arduino prototypes to real industrial deployment The **Controllino-Irrigation** GitHub example demonstrates MAXI being used as the core controller for an automated irrigation system. --- ## 🧠 **Engineering Insights** - Arduino development → industrial deployment with minimal changes - Reliable W5100 Ethernet implementation - Shared **SPI bus (ETH + RTC) demonstrates proper chip select handling** - **CE-certified **hardware with surge and isolation protection - DIN-rail mount for easy cabinet installation - Built according to European industrial design standards --- ## 🔗 **Reference Links** - Product page - Ethernet Info - Official Library - Irrigation example ![](https://maker.wiznet.io/upload/ckeditor5/857257499%5F1764255323%2Epng) ⭐ **Real User Example ** : etc... : [**CONTROLLINO Training Kit**](https://www.controllino.com/product/controllino-training-kit/) ![](https://maker.wiznet.io/upload/ckeditor5/857257499%5F1764256293%2Epng) --- Source: https://maker.wiznet.io/irina/resellers/controllino-maxi/