Posts on Ralph's Bloghttps://blog.koettlitz.com/posts/Recent content in Posts on Ralph's BlogHugo -- gohugo.ioen© 2026Sun, 07 Jun 2026 23:23:34 +0200PLC Programming: Choosing a Low-Pass Filter for Analog Signalshttps://blog.koettlitz.com/posts/p011/Sun, 07 Jun 2026 23:23:34 +0200https://blog.koettlitz.com/posts/p011/TwinCAT Initialization: Stop Letting Startup Happen by Accidenthttps://blog.koettlitz.com/posts/p010/Sat, 06 Jun 2026 18:00:00 +0200https://blog.koettlitz.com/posts/p010/PLC Architecture: Design Modules Around Contracts, Not Hardwarehttps://blog.koettlitz.com/posts/p009/Sat, 06 Jun 2026 16:00:00 +0200https://blog.koettlitz.com/posts/p009/TwinCAT: Implementing an API with a Hidden Global Referencehttps://blog.koettlitz.com/posts/p008/Sat, 06 Jun 2026 14:28:01 +0200https://blog.koettlitz.com/posts/p008/Normalize PLC Values at the System Boundaryhttps://blog.koettlitz.com/posts/p007/Fri, 05 Jun 2026 15:00:00 +0200https://blog.koettlitz.com/posts/p007/Dependency Injection in PLC Programming Makes Testing Possiblehttps://blog.koettlitz.com/posts/p006/Fri, 05 Jun 2026 14:00:00 +0200https://blog.koettlitz.com/posts/p006/Configure SSH Cleanly for Multiple GitHub Accountshttps://blog.koettlitz.com/posts/p005/Fri, 05 Jun 2026 13:00:00 +0200https://blog.koettlitz.com/posts/p005/TwinCAT OOP: When to Use Inheritance and Interfaceshttps://blog.koettlitz.com/posts/p004/Fri, 05 Jun 2026 12:00:00 +0200https://blog.koettlitz.com/posts/p004/Automation: Using DINT and LREAL as fundamental typeshttps://blog.koettlitz.com/posts/p003/Fri, 05 Jun 2026 08:18:42 +0200https://blog.koettlitz.com/posts/p003/Automation for Fishing Vessels: Wave Framework with TwinCAThttps://blog.koettlitz.com/posts/p002/Thu, 04 Jun 2026 23:17:17 +0200https://blog.koettlitz.com/posts/p002/State Machine Communication: Prefer Requests Over Start/Stop Commandshttps://blog.koettlitz.com/posts/p001/Wed, 03 Jun 2026 22:24:17 +0200https://blog.koettlitz.com/posts/p001/