ACC 2025 500+ Free PLC Ladder Logic HMI Decade Knowledge Base @ACCautomation

Uploaded December 2025 | Updated September 2026, 3 weeks ago

A look back at 2025 at ACC Automation — 500+ free PLC tutorials, from Node-RED and Modbus to simulators, AI, and power-supply wiring. A year of PLC learning.

⚡ QUICK ANSWER
ACC Automation now has over 500 free articles and tutorials covering more than a decade of PLC programming, HMI design, and communication know-how — all free to explore. This 2025 year-in-review walks through the highlights month by month: Node-RED integration connecting PLCs to IoT and the cloud (January–February), Modbus communication deep dives (March–April), PLC simulators and a baggage-handling automation example (May–June), a look at common PLC programming myths (July), timers, static IP, and simulators (August), the PLC scan cycle and ladder logic fundamentals (September), where AI meets PLC programming (October), and power supplies and wiring best practices (December) — before looking ahead to 2026. Whether you're wiring your first rung or hunting a specific Modbus tip, the library has something for you. Explore it all at the link below.

📖 FULL 2025 YEAR IN REVIEW + THE FULL LIBRARY
accautomation.ca/acc-automation-2025-year-in-review-plc-learning

⏱️ TIMESTAMPS
0:00 - Introduction: 500+ Free PLC Tutorials
1:02 - Jan–Feb: Node-RED Integration
1:40 - Mar–Apr: Modbus Communication Deep Dives
2:19 - May–Jun: PLC Simulators & Baggage Automation
2:59 - July: PLC Programming Myths Exposed
3:30 - August: Timers, Static IP & Simulators
4:08 - September: PLC Scan Cycles & Ladder Logic
4:53 - October: AI Meets PLC Programming
5:28 - December: Power Supplies & Wiring Best Practices
6:13 - Looking Forward to 2026
6:50 - Wrap Up & Thank You

📚 WHAT YOU'LL LEARN
✅ How Node-RED integration connects PLCs to IoT platforms and cloud services
✅ Modbus RS485 communication techniques and troubleshooting methods
✅ How PLC simulators let you build and test programs with no hardware
✅ Where AI is starting to intersect with PLC programming
✅ Essential power supply and wiring practices that prevent system failures

❓ FREQUENTLY ASKED
Q: How many free PLC tutorials are on ACC Automation?
A: Over 500 free articles and tutorials, covering more than a decade of PLC programming, HMI design, communication, and hands-on examples. Explore them at

ACC 2025 500+ Free PLC Ladder Logic HMI Decade Knowledge Base

$Control Panels Smaller Size, Triple Functionality! Control panels keep getting smaller while doing more — driven by capable compact hardware like the Productivity Mini. How panel design has evolved, and why. ⚡ QUICK ANSWER Control panels have changed a lot over the years: they have gotten noticeably smaller while doing more than ever, and the main reason is that the hardware inside them has become far more capable in a much smaller footprint. A compact PLC like the Productivity Mini packs real control capability into a fraction of the space an older system needed, so you can build a smaller panel that still does the job, or fit more capability into the same enclosure. Communication is a big part of it too. Modern controllers talk over Ethernet and serial networks, which means less point-to-point wiring and fewer bulky components, so the panel gets cleaner and tighter. The practical strategies follow from that: choose compact, integrated hardware, lean on networked communication instead of hard wiring everything, and size the enclosure to what the application actually needs rather than defaulting to a large cabinet. The result is panels that save floor space, use less material, and are faster to build, without giving up functionality. It is a genuinely different way to think about panel design than it was two decades ago. The full write-up is in the guide below. 🔧 WHY PANELS GOT SMALLER (AND DO MORE) ▶ Compact hardware packs real capability into a small footprint ▶ A Mini PLC does the work of a much larger older system ▶ Networked comms (Ethernet, serial) mean less point-to-point wiring ▶ Fewer bulky components make for a cleaner, tighter panel ▶ You fit more into the same enclosure, or shrink the enclosure 🧭 COMPACT DESIGN STRATEGIES ▶ Choose compact, integrated hardware ▶ Use networked communication instead of hard-wiring everything ▶ Size the enclosure to the application, not to a default large cabinet ▶ Plan for I/O, expansion and heat as you shrink 📖 FULL WRITTEN TUTORIAL + DOWNLOADS https://accautomation.ca/p1-m622-16dr-mini-plc-is-this-your-factorys-new-best-friend/ 📚 WHAT YOULL LEARN ✅ How control panels have evolved to be smaller and more capable ✅ Why compact hardware like the Productivity Mini enables it ✅ How networked communication reduces wiring and bulk ✅ Practical strategies for compact panel design ✅ What to plan for as you make a panel smaller ❓ FREQUENTLY ASKED Q: Why have control panels gotten smaller? A: Because the hardware inside them has become far more capable in a smaller footprint. A compact PLC like the Productivity Mini does the work of a much larger older system, and networked communication cuts the wiring and bulk, so panels get tighter without losing functionality. The full write-up is in the guide. Q: How do I design a more compact control panel? A: Choose compact, integrated hardware, use networked communication instead of hard-wiring everything, and size the enclosure to what the application actually needs, while still planning for I/O, expansion and heat. 👉 Full walkthrough: https://accautomation.ca/p1-m622-16dr-mini-plc-is-this-your-factorys-new-best-friend/ 🔗 MORE RESOURCES 🎮 Free ACC PLC Simulator (3D scenes, no install): https://accautomation.ca/simulator/ ▶ Productivity 1000 Series: https://accautomation.ca/series/productivity-1000-plc/ ▶ Productivity 2000 Series: https://accautomation.ca/series/productivity-2000-series-plc-p2000/ ▶ PLC Beginners Guide: https://accautomation.ca/programming/plc-beginners-guide/ ▶ Free eBooks: https://accautomation.ca (subscribe for download) 🛒 RECOMMENDED HARDWARE ▶ Shop: https://www.automationdirect.com/ ▶ Parts Guide: https://www.accautomation.ca/purchase-find-parts/ 💬 Questions? Drop a comment below. 🔔 New tutorials every Monday — Subscribe and hit the bell! #PLC #LadderLogic #IndustrialAutomation #PLCProgramming #ACCAutomation #ProductivityPLC #ControlPanel #MiniPLC #AutomationDirect #Shorts Regards, Garry ACC Automation http://www.accautomation.ca$

PLC Start/Stop: The Seal-In Latch Explained!

Automation Tools - Heat Shrink Wire Connector Kit

Stop Button Test Catches the Hidden Problem! 🛑 #plcprogramming #automation

Why I chose Click PLC over $5000 systems #plc #automation #comparison

That Awkward Moment When Youre Too Literal #PLCMemes #AutomationHumor

Get Connected: CPU Connections in Productivity Suite Explained

BRX SSL/TLS Secure Email Setup: Complete Implementation Guide

PLC Programming Tutorial: Build a Conveyor System (ACC Simulator)!