IEC 60204-1:20 16+A1:2021适用于电气、电子和可编程电子设备和系统，适用于工作时不能用手携带的机器，包括以协调方式一起工作的一组机器。IEC 60204本部分涵盖的设备从电源与机器电气设备的连接点开始。这第六版取消并取代了2005年出版的第五版。它构成技术修订。与上一版相比，此版本包括以下重大技术变更: -增加了解决涉及动力驱动系统（PDS）的应用的要求； -修订的电磁兼容性（EMC）要求； -明确了过流保护要求； -确定电气设备短路电流额定值的要求；-修订了保护性粘合要求和术语； -对第9条的重组和修订，包括与PDS的安全扭矩关闭、紧急停止和控制电路保护有关的要求； -控制装置执行器的修订符号； -修订技术文件要求； -对当前特殊国情、规范性标准和参考书目进行一般性更新。

IEC 60204-1:2016+A1:2021 applies to electrical, electronic and programmable electronic equipment and systems to machines not portable by hand while working, including a group of machines working together in a co-ordinated manner. The equipment covered by this part of IEC 60204 commences at the point of connection of the supply to the electrical equipment of the machine. This sixth edition cancels and replaces the fifth edition published in 2005. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- added requirements to address applications involving power drive systems (PDS);
- revised electromagnetic compatibility (EMC) requirements;
- clarified overcurrent protection requirements;
- requirements for determination of the short circuit current rating of the electrical equipment;
- revised protective bonding requirements and terminology;
- reorganization and revision to Clause 9, including requirements pertaining to safe torque off of PDS, emergency stop, and control circuit protection;
- revised symbols for actuators of control devices;
- revised technical documentation requirements;
- general updating to current special national conditions, normative standards, and bibliographical references.