在DELPHI环境下运用SPCOMM控件实现上位机和智能仪表的通讯-environment in the use SPCOMM Controlware PC and intelligent instrument of communication

本压缩文件主要用于上位机与一些智能仪表的通讯，采用的是标准工业Modbus协议，并且附带了一个测试软件-The compressed file is mainly used PC with a number of intelligent instrument of communication, are used in standard industrial Modbus protocol, and comes with a test software