Emergency stop button a red mushroom-headed button that, when activated, will immediately start the emergency stop sequence.

Emergency stop a function that is intended to avert harm or to reduce existing hazards to persons, machinery, or work in progress. So what is the Emergency Stop function, or E-stop function, and when do you need to have one? Let’s look at a few definitions taken from CSA Z432-14 : Emergency situation an immediately hazardous situation that needs to be ended or averted quickly in order to prevent injury or damage. This condition implies that the situation is not something foreseen by the machine designer, and therefore there are no design features present to control the condition. An emergency condition is, therefore, some condition that is arising and becoming prominent at the moment. The word “emergency” has the root “emergent,” meaning “in the process of coming into being or becoming prominent,” according to the Oxford Dictionary of English. This may seem obvious but bear with me for a minute. Photo 1 – This OLD button is definitely non-compliant.īefore we look at the emergency-stop function itself, we need to understand what the word “emergency” implies.

That site where you push the red button