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搜狐
1 个月
RS232,RS485,RJ45,以及Modbus协议,这些是不是迷糊很久了?
设想直流电源,它的输出端插座接口有三个管脚,分别是正极、负极和接地极。相应地,负载的插头也应当有三个管脚与电源 ...
搜狐
1 个月
RS232、RS485与MODBUS:你必须了解的通信基础
在实际应用中,RS485与MODBUS的结合非常普遍。例如,在电力监测系统中,PLC(可编程逻辑控制器)常常通过RS485接口与多个电力仪表进行通信 ...
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