求翻译：预先对各个从站设定地址编号，主站指令该编号进行信号通信。接到主站指令的从站执行指定的功能，对主站作出响应。是什么意思？

Pre-set address number of each slave, the master instructed the ID signal communication. Received the instructions of the master perform the specified function from the station, to respond to the master.

From the site of pre-set number of the address, main Site Instruction The signal communications. Instructions to the main site of the execution of the given site from the main site for a response.

In advance to one by one from station hypothesis address serial number, master station instruction this serial number clear signal correspondence.Receives the master station instruction the function which assigns from the station execution, makes the response to the master station.

Set address number prior to each station, main station for signal communication instruction the number. Receiving instruction from main station to perform specified functions, to respond to the main station.

正在翻译，请等待...