摘要
对西门子系列PLC的通讯协议进行了详细的介绍,并以VB6.0开发系统在WINDOWS环境下实现了PC机与西门子系列PLC之间的串行通讯。文章给出了PLC和VB6.0相关的主要程序,通过该通讯程序实现了PC机对西门子系列PLC的监控和控制。同时本程序对PC机与其他型号PLC之间的通讯也有一定的借鉴意义。
The communication protocol of SIEMENS series PLC is introduced and serial communication between PC and SIEMENS series PLC is achieved by VB6.0 development system in windows environment. The mostly program about PLC and VB6.0 is introduced and can monitor SIEMENS series PLC through PC. What's more, the method of disposal can be applied with other type of PLC or singlechip.
出处
《微机发展》
2003年第a01期25-26,28,共3页
Microcomputer Development