secs协议文档 对理解secs协议和secs编程非常有帮助，希望能帮到需要的同学
Secs protocol documentation is very helpful for understanding secs protocol and secs programming, and I hope it can help you to need it. (2019-07-11, DOS, 916KB, 下载20次)
OMRON PLC MODBUS可编程控制器通迅
OMRON PLC MODBUS (2012-12-26, DOS, 127KB, 下载27次)
我很早以前用完全C语言基于DOS下编程,且用到串口通信如outp之类,可是给客户的
I long ago completely based on C language programming under DOS, and use serial communication such as outp like, but to clients (2008-03-03, DOS, 379KB, 下载18次)