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GM's 1968 Ten Requirements and the Birth of the...

GM's 1968 ten requirements gave birth to the PLC. 2026 update: how they grade ControlLogix, Modicon, and S7-1500 today, with EOL notes.

PLC Application System Design & Debugging Steps...

Step-by-step 2026 guide to PLC system design and debugging: spec capture, IEC 61131-3 v3.4, digital twins, layered debug. Send BOM to Moritta@KOEED.COM.

Hard PLC: In-depth analysis report on character...

PLC Architecture in 2026: CPU, Memory, I/O and ...

PLC architecture in 2026: CPU, memory, I/O, and IEC 61131-3 programming model explained for engineers maintaining modern industrial automation racks.

PLC Memory, I/O Unit, Expansion, Peripheral & P...

2026 update on PLC memory, I/O units, I/O expansion, peripheral, and power supply — IEC 61131-3 v3.0, TSN, OPC UA. Engineering notes from KOEED.

Three basic process contents of PLC work

Fundamentals of PLC Architecture A Professional Technician's Guide to I/O Modules, CPUs, and Programming Execution As a professional automation technician, grasping the foundational architecture of a Programmable Logic Controller (PLC)...