EATON Cutler Hammer D3 WMS1D03 1 pol. Schutzschalter EATON Cutler Hammer D3 WMS1D03 1 pol. Schutzschalter
首先，在類型中選擇“TXD”，表示這是發(fā)送指令。接下來在“端口編號(hào)”的下拉菜單中選擇“端口2”，這是因?yàn)槲覀兪峭ㄟ^FC5A左邊的FC4A-HPC3擴(kuò)展通信口來收發(fā)信息的，其端口號(hào)即為2。
首先，在類型中選擇“TXD”，表示這是發(fā)送指令。接下來在“端口編號(hào)”的下拉菜單中選擇“端口2”，這是因?yàn)槲覀兪峭ㄟ^FC5A左邊的FC4A-HPC3擴(kuò)展通信口來收發(fā)信息的，其端口號(hào)即為2。
概述：為測(cè)試FC5A的RS485擴(kuò)展通信口經(jīng)過485/232C轉(zhuǎn)換器轉(zhuǎn)換后通信是否正常，本文對(duì)此做了一個(gè)簡(jiǎn)單實(shí)驗(yàn)，做了一個(gè)用戶通信的例程。本文適用于所有在WindLDR中使用TXD和RXD用戶通信指令編寫通信程序的PLC（FC4A、FC5A和FT1A Pro/Lite）。
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