A name applied to an equipment control switch or circuit which, when operated, will stop the operation of associated equipment and will bring all moving parts to a stop.

The operation of a circuit using hardware-based components that overrides all other robot controls, removes drive power from the robot actuators, and causes all moving parts to stop.

This button instantaneously disables the axes and the spindle. Every machine tool is required, by law, to have at least one Emergency Stop button.

(Machine Safety) A control function initiated by a single human action to arrest dangerous machine motion, or otherwise avert or reduce existing hazards to persons, damage to machinery or to work in progress.

Arrest of dangerous machine motion resulting from actuation of an emergency stop switch. The switch may be in the form of a safety switch, button, trip cable or foot bar used in conjunction with an emergency stop safety relay.

Emergency stop has several meanings.