皮尔磁Pilz：2024年防护锁定装置白皮书（英文版）

It is quickly apparent that the “guard locking” safety function consists of several connected installations or devices. To avoid misunderstandings, the standard uses the term “interlocking device with guard locking” for the device. In the information below, the term here is limited to guard locking, so you can tell from the context whether it concerns a device, the safety function or a subsystem of the safety function.