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Description: modbus rtu 通讯 使用spcomm控件-modbus rtu protocl use spcomm activX
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Author: www |
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Description: 自已用DELPHI编写的MODBUS测试软件及源代码，需要的朋友可以参考一下。MODBUS 协议为开放式的协议，采用轮询方式。MODBUS分为MODBUS RTU/ASCII、MODBUS TCP、MODBUS PLUS几种，对应于不同的硬件平台，世界上大多数的仪器和仪表，大多数的控制器都采用或支持该协议。学习和掌握本协议，对工控网友来说，非常有意义。-DELPHI prepared to use their own MODBUS test software and source code, need a friend for reference. MODBUS protocol for open-ended agreement, means the use of polling. MODBUS is divided into MODBUS RTU/ASCII, MODBUS TCP, MODBUS PLUS several, corresponding to different hardware platforms, most of the world
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Author: Liu Wei |
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