本案例介紹的是用北京小疆智控(北京)技術(shù)有限公司生產(chǎn)的GW-PN5003型MODBUS RTU轉(zhuǎn)PROFINET網(wǎng)關(guān)將匯川變頻器接入西門子PLC1200 PROFINET網(wǎng)絡(luò)的使用方法。
1、首先創(chuàng)建新項(xiàng)目文件;
2、導(dǎo)入GSD 文件。將MODBUS轉(zhuǎn)PROFINET網(wǎng)關(guān)的GSD文件拷貝放到任意位置。打開博圖,建立新項(xiàng)目。進(jìn)入設(shè)備和網(wǎng)絡(luò),在選項(xiàng)中選擇管理通用站描述文件,安裝 GSD 文件;
3、搜索GSD文件存放文件夾,搜索到GSD后選擇安裝,等待安裝成功;
4、安裝GSD成功后,打開硬件目錄將安裝好的GSD文件添加到組態(tài)中,網(wǎng)關(guān)和PLC還沒有進(jìn)行連接處在未分配狀態(tài);
5、點(diǎn)擊未分配與PLC進(jìn)行連接后就可以對(duì)網(wǎng)關(guān)的屬性進(jìn)行參數(shù)的設(shè)定;
6、網(wǎng)關(guān)屬性,修改網(wǎng)關(guān)的IP地址和PROFINET設(shè)備名稱(設(shè)備名稱中不要帶*./這類符號(hào));
需要注意的是設(shè)置PROFINET設(shè)備名稱時(shí),不要勾選自動(dòng)生成PROFINET設(shè)備名稱;
7、添加需要的輸入(inptu)、輸出(output)字節(jié)數(shù)。添加字節(jié)數(shù)根據(jù)需求進(jìn)行添加;
8、根據(jù)下圖所示,設(shè)置好參數(shù)后就可以下載并裝載到PLC;
9、打開RS485轉(zhuǎn)PROFINET網(wǎng)關(guān)配置軟件;
10、RS485轉(zhuǎn)PROFINET網(wǎng)關(guān)配置軟件中,要設(shè)置設(shè)備名和IP地址并且與博圖的網(wǎng)關(guān)組態(tài)要完全一致;
需要注意的是:設(shè)備名不要添加/*-這類符號(hào);
11、RS485轉(zhuǎn)PROFINET網(wǎng)關(guān)配置軟件中,需要設(shè)置工作模式。模式分為兩種:一種是主從模式,另外一種是消費(fèi)者和生產(chǎn)者模式。
本案例用生產(chǎn)者、消費(fèi)者模式進(jìn)行配置;
12、RS485轉(zhuǎn)PROFINET網(wǎng)關(guān)配置軟件中,下圖依次是添加節(jié)點(diǎn)修改波特率等參數(shù);節(jié)點(diǎn)中添加消費(fèi)者和生產(chǎn)者數(shù)據(jù);
13、RS485轉(zhuǎn)PROFINET網(wǎng)關(guān)配置軟件中設(shè)置好所有參數(shù)后,進(jìn)行配置下載;
下載步驟如下:
經(jīng)過上面簡(jiǎn)單的配置,使用相應(yīng)型號(hào)profinet協(xié)議轉(zhuǎn)換網(wǎng)關(guān),用戶可以很輕松的完成。
RS485 /RS232 MODBUS RTU和PROFINET的協(xié)議轉(zhuǎn)換,在PROFINET總線協(xié)議下讀寫MODBUS設(shè)備的數(shù)據(jù),實(shí)現(xiàn)RS232轉(zhuǎn)PROFINET,對(duì)應(yīng)型號(hào)為PNRS232-K20;RS485轉(zhuǎn)PROFINET。
審核編輯:湯梓紅
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