HMI screens and “means to verify ZES” for electrical source(s)
Nowadays, most machines/equipment come equipped with a digital HMI screen(s) rather than the old-fashioned “Start/Stop” buttons. Most see this as an improvement in using technology. However, for those with “machine specific” LOTO procedures, these HMI screens pose a challenge regarding “verifying ZES” for the electrical energy sources. In the old days, we returned to the…...
