Minh da lam Plc S7 1200 <-> wincc dc roi.
Neu nhu mo rong ra
PLC <-> Router A <-> ---Internet--- <-> Router B <-> PC_accsess SP4 <-> wincc 7.2
Neu cau hinh nhu the nay minh co the lam demo voi wan ip dong duoc khong?
hay chi lam dc voi mot office wan (ip tinh) thoi