Chao cac bac.em la thanh vien moi cua dien dan.em biet ve PLC va Win CC cung co ban thui. em muon hoi cac bac ve cach hien thi thoi gian tren win cc.vi du nhu tin hieu giao thong chang han.den xanh sang 30s ma minh muon hien thi thoi gian do len wincc.acm on cac bac nhieu