回复:S7-200自由口通讯，结束字符如何处理？？-技术论坛-工业支持中心-西门子中国

回复:S7-200自由口通讯，结束字符如何处理？？

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论坛等级：游民

注册时间：2009-04-17

普通如何晋级?

发布于 2010-04-28 17:50:05

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还有一个问题请教各位：PC上串口调试软件和PLC进行自由口通讯，以下截取的一段通讯报文：开始符是10，结束符是FF，为什么有时候一包数据会分两包发送呢，（感觉中间有歇息了一下），就是以下不整齐的地方：
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00
00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00
00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00
00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00
FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C E0 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF 10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00
00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00
00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00
00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00
00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00
00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00
00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00 FF
10 00 0C 00 00 00 00 00 00 00 00 00 00 00 00
FF 10 00 0C 00 00 00 00 00 00 00 00 00 00
00 00 FF

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