SIEMENS LOGO! PLC – PARTS & BASIC CONNECTION GUIDE If you’re starting your journey in PLC programming and industrial automation, understanding the hardware layout of a Siemens LOGO! PLC is the first step. This infographic covers: Power Supply Connections Digital Input Terminals (I1–I8) Relay Output Terminals (Q1–Q4) Display Screen Functions Navigation & Programming Keys Basic Wiring and Connection Diagram Whether you’re a student, technician, or automation engineer, knowing the function of each terminal and component will help you troubleshoot, wire, and program PLC systems with confidence. Save this post for future reference and share it with anyone learning PLCs and industrial automation. Have you ever used a Siemens LOGO! PLC in a real project? Share your experience in the comments!