Design of Communication Software of VB6.0 and PLC with Distributed Control System Based on VB
Pan Tian-hong · Journal of Agricultural Mechanization Research · 2004
This system uses an IBM-PC as a host computer and PLC of S7-200 as secondary computers.The design methods of series communication software wre described especially. the development of the system which is convenient to operate and high in the ration of performance to price provides technological measures for setting up water production bases in our country and realizing efficient production on large scale .