WinCC 污水处理系统源程序.里面包含了许多VB6制作的功能组件.很有参考意义.

vb6.0编写的智能仪表通信程序，实现MODBUS-RTU规约及IEC 60870-5-103规约的智能仪表的数据采集，同时实现VB程序与WINCC交换数据。-vb6.0 communication program written in intelligent instruments to achieve MODBUS-RTU protocol and IEC 60870-5-103 Statute of intelligent instrument data acquisition, whil

WINCC与VB6.0的DDE通讯组态 -WINCC the DDE communication with VB6.0 and VB6.0 WINCC configuration of DDE communication configuration