Weintek Emt3070A Graphic Hmi Panel (Display Not Working)

Weintek Emt3070A Graphic Hmi Panel (Display Not Working)weintekemt3070aweintek labs., incinput power:24vdc+-20%maximum power consumption: 400ma@24vdc class2operating temperature -20~50coperation humidity:10-90%rh(non-condensing)can buscom3[rs485]com1[rs485