The data collecting system of bus mode as an example is introduced and general methods of constructing communicating networks of principal and subordinate mode by RS-485 are given.
文章以总线型多点数据采集系统为例，介绍了用RS - 4 85构成主从机方式通信网络的一般组网方法。
The data collecting system of bus mode as an example is introduced and general methods of constructing communicating networks of principal and subordinate mode by RS-485 are given.
文章以总线型多点数据采集系统为例，介绍了用RS - 4 85构成主从机方式通信网络的一般组网方法。
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