A. 8,2,3,4,5,6,7,1, B. 5,6,7,8,1,2,3,4, C. 1,2,3,4,5,6,7,8, D. 8,7,6,5,4,3,2,1,
A. H e B. Hello,World ello,World C. Hello,World Hello,World D. ello,World ell,World
A. English B. Chinese C. 709-1DeviceNet D. 841-1EtherNet E. 840-2PROFIBUS F. 840-3PROFINET
A. DeviceNet B. EtherNet C. PROFIBUS D. PROFINET
A. 对 B. 错