The single most important mindset shift you need to make is moving from a "software can be patched" mentality to a "code controls physical reality" mindset. In IT, if your code has a bug, you can usually fix it with an update, rollback, or restart. But in industrial automation, your PLC code directly controls machinery, robots, and processes that can cause physical harm, equipment damage, or production shutdowns if something goes wrong. This matters more than any technical skill because:
1. Safety is non-negotiable - Your code controls things that can injure people or damage expensive equipment. Every decision must consider worst-case scenarios.
2. Reliability over innovation - Industrial systems prioritize proven, stable solutions over cutting-edge tech. A system that runs flawlessly for years is more valuable than one with fancy features that might fail.
3. Real-world consequences - Unlike IT where downtime might mean lost productivity, in automation it can mean spoiled materials, safety hazards, or regulatory violations.
Think of it this way: in IT, you're managing data and virtual systems. In industrial automation, you're managing physical processes with real-world consequences. This safety-critical mindset will guide every programming decision you make and ultimately determine your success far more than mastering ladder logic or any specific PLC platform.