发表于：2004/7/15 16:07:00
#0楼
please tell me how many methods that pc communicate with op ./ or pc communicate with plc (s7-400).
i use cp 5611. card but it doesn't work. i don't know why . i want to try others .
thant you first.
i use cp 5611. card but it doesn't work. i don't know why . i want to try others .
thant you first.