RS485 MODBUS轉(zhuǎn)PROFINET網(wǎng)關(guān)配置步驟,該PLC系統(tǒng)使用的是西門子S7-1200 PLC,支持 PROFINET工業(yè)以太網(wǎng)協(xié)議;馬達(dá)保護(hù)器提供 RS485串口,支持標(biāo)準(zhǔn)MODBUS-RTU網(wǎng)絡(luò)通訊協(xié)議;協(xié)議轉(zhuǎn)換網(wǎng)關(guān)為微硬創(chuàng)新PROFINET轉(zhuǎn)MODBUS網(wǎng)關(guān)PNMD485-K20
微硬創(chuàng)新生產(chǎn)的MODBUS轉(zhuǎn)PROFINET網(wǎng)關(guān)PNMD485-K20在使用時(shí),不需要進(jìn)行很多編程工作,只需根據(jù)被連設(shè)備給的通訊點(diǎn)表進(jìn)行簡(jiǎn)單的配置即可。需要關(guān)心的以下幾點(diǎn):
(1)被連設(shè)備有幾臺(tái)?每臺(tái)的設(shè)備地址是多少?
(2)RS485波特率是多少?
第一步:馬達(dá)保護(hù)器參數(shù)參見 MODBUS通訊的說明書,首先加入 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(博途),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
第二步:選擇微硬創(chuàng)新 Modbus轉(zhuǎn)Profinet網(wǎng)關(guān)PNMD485-K20
第三步:配置 Modbus轉(zhuǎn)Profinet網(wǎng)關(guān)到 PROFINET網(wǎng)絡(luò)中
第四步:設(shè)置Modbus轉(zhuǎn)Profinet網(wǎng)關(guān)在 Profinet網(wǎng)絡(luò)中的設(shè)備名稱與 IP地址并分配到網(wǎng)關(guān)
第五步:確認(rèn)馬達(dá)保護(hù)器用到參數(shù)的地址,并在組態(tài)中添加對(duì)應(yīng)的數(shù)據(jù)長(zhǎng)度。
第六步:填寫設(shè)備站號(hào)和所需參數(shù)的寄存器地址。需要寫的數(shù)據(jù),起始地址為 0(注意填寫十進(jìn)制數(shù))
第七步:第二條,需要讀的數(shù)據(jù),起始地址為 0,連續(xù)讀多個(gè)寄存器(注意填寫十進(jìn)制數(shù))
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