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It is the responsibility of the machine designer to assess the risks posed by a machine or parts of the machine. When those risks are determined, follow these three steps to mitigate potential hazards. Design the equipment so that it cannot cause injury. This may be easier said than done. Any time an operator must interact with a machine, there will be some inherent risk as both human behavior and machines are not totally predictable. Build in additional forms of protection s …

While an HMI (Human Machine Interface) may come loaded with indicators, data, displays and buttons, it isn’t enough on its own. Industrial machines also need additional safety controls like an estop (emergency stop) push button, power-off button, power-on button, and reset button. These buttons may be conveniently placed next to most HMIs and can be further enhanced with alarms and LED stack lights.Often operators, line supervisors and engineers will push the estop button for a myriad …