What kind of guard relies on electronic components to function?

The type of guard that relies on electronic components to function is presence-sensing devices. These devices utilize sensors to detect the presence of a person or object in a hazardous area. They often employ technology such as light curtains, photoelectric sensors, or proximity sensors to create a safety zone. When an operator or any object enters this zone, the presence-sensing device can automatically shut down or prevent the operation of machinery, providing a critical safety feature that helps avert accidents and injuries.

In comparison, fixed guards are typically solid barriers that physically prevent access to dangerous parts of machinery without any electronic components. Interlocking guards are designed to stop machine operation when the guard is not properly secured, but they may not always use electronic components in their simplest forms. Sliding guards can move to provide access but generally don’t involve electronic sensors in their operation. Thus, presence-sensing devices stand out as the option that combines electronic technology with the function of machine guarding.