Logic Functions Explained in Siemens LOGO! Soft Comfort | AND, OR, NOT, NOR, NAND, XOR Tutorial

In this video, I explain the most important logic functions used in PLC programming — using Siemens LOGO! Soft Comfort. These functions form the foundation of all digital control systems, from simple automation projects to industrial-level logic. Whether you're a beginner or preparing for a PLC & SCADA training program, this tutorial will help you clearly understand how logic gates work inside PLC software. ✅ Topics Covered in This Video What are logic functions in automation Understanding AND, OR, NOT gates How NOR, NAND, and XOR logic works How logic gates behave in real industrial scenarios Implementing each logic function in LOGO! Soft Comfort Testing and simulating outputs When to use each logic function in PLC design 🏭 Practical Demonstrations ✔ Creating AND logic for dual sensor conditions ✔ OR logic for multiple start options ✔ NOT logic for safety interlocks ✔ XOR logic for alternating control ✔ NOR and NAND for fail-safe logic operations ✔ Testing everything with the simulator in LOGO! Soft Comfort Perfect for students learning automation, technicians building projects, and engineers transitioning into PLC programming.