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is the European harmonized standard for the safety of electrical equipment in machinery. Its full title is usually cited as "Safety of machinery – Electrical equipment of machines – Part 1: General requirements." en 60204-1 pdf

While summaries provide a helpful overview, they cannot replace the full text of the standard when engineering a machine. Accessing the complete PDF is necessary for several reasons: If your budget does not allow for the

It provides guidelines on how control circuits should function, including voltage levels (typically 24V DC for safety) and the reliability of control functions. It also touches upon programmable electronic systems (PLCs) and safety-related control systems. en 60204-1 pdf