污水處理系統(tǒng)中使用ModbusRTU轉(zhuǎn)Profinet網(wǎng)關(guān)可以連接PLC和變頻器,實(shí)現(xiàn)二者之間的通信。有效地改善了生產(chǎn)過(guò)程中的工作效率,為生產(chǎn)過(guò)程提供了更多便利和靈活性,本案例是用ModbusRTU轉(zhuǎn)Profinet網(wǎng)關(guān)來(lái)連接TND100-A系列軟啟動(dòng)器與PLC的配置案例,用到設(shè)備為西門(mén)子S7-1200PLC開(kāi)疆智能ModbusRTU轉(zhuǎn)Profinet網(wǎng)關(guān), TND100-A系列軟啟動(dòng)器。
![wKgaomU3ObyAbN1AAALsonzKBvA164.png](https://file1.elecfans.com/web2/M00/A9/F7/wKgaomU3ObyAbN1AAALsonzKBvA164.png)
![wKgZomU3OcOAc5P1AAMbNLA-tns268.png](https://file1.elecfans.com/web2/M00/AB/B5/wKgZomU3OcOAc5P1AAMbNLA-tns268.png)
配置案例:先打開(kāi)西門(mén)子組態(tài)軟件,根據(jù)下圖安裝gsd文件。
![wKgaomU3OcaABZAIAAB0bnJvgp8645.png](https://file1.elecfans.com/web2/M00/A9/F7/wKgaomU3OcaABZAIAAB0bnJvgp8645.png)
選擇正確的ModbusRTU轉(zhuǎn)Profinet網(wǎng)關(guān)模塊GSD安裝。
![wKgZomU3OcqAATmnAABOuCJr4BE113.png](https://file1.elecfans.com/web2/M00/AB/B5/wKgZomU3OcqAATmnAABOuCJr4BE113.png)
安裝完畢后在如下地址找到ModbusRTU轉(zhuǎn)Profinet網(wǎng)關(guān)模塊。
![wKgZomU3Oc6ANkKRAADYBg409PY278.png](https://file1.elecfans.com/web2/M00/AB/B5/wKgZomU3Oc6ANkKRAADYBg409PY278.png)
ModbusRTU轉(zhuǎn)Profinet網(wǎng)關(guān)模塊屬性修改ModbusRTU轉(zhuǎn)Profinet網(wǎng)關(guān)的IP 地址和設(shè)備名稱。
![wKgZomU3OdKAIs9OAAAvckbzuc4585.png](https://file1.elecfans.com/web2/M00/AB/B5/wKgZomU3OdKAIs9OAAAvckbzuc4585.png)
根據(jù)從屬設(shè)備添加ModbusRTU轉(zhuǎn)Profinet網(wǎng)關(guān)所需的輸入輸出字節(jié)長(zhǎng)度。添加長(zhǎng)度為雙字
![wKgaomU3OdaAQKaqAAAzNQJ_l-0803.png](https://file1.elecfans.com/web2/M00/A9/F7/wKgaomU3OdaAQKaqAAAzNQJ_l-0803.png)
下圖是從屬設(shè)備的通訊應(yīng)用格式和設(shè)備說(shuō)明書(shū)示例說(shuō)明,用配置軟件添加
![wKgZomU3OdqAKhcoAAEE3XcJIa8794.png](https://file1.elecfans.com/web2/M00/AB/B5/wKgZomU3OdqAKhcoAAEE3XcJIa8794.png)
由上圖判斷,從站功地址為1,讀取功能碼為03,讀取寄存器2個(gè),即可開(kāi)始進(jìn)行Modbus轉(zhuǎn)Profinet網(wǎng)關(guān)的配置。首先安裝ModbusRTU轉(zhuǎn)Profinet網(wǎng)關(guān)配置軟件,打開(kāi)軟件新建項(xiàng)目,選擇PN2MRM3;
![wKgZomU3OMKAWM8CAAAW9D_chBM941.png](https://file1.elecfans.com/web2/M00/AB/B5/wKgZomU3OMKAWM8CAAAW9D_chBM941.png)
![wKgaomU3OeWAZ793AAC5VxC1fRM309.png](https://file1.elecfans.com/web2/M00/A9/F7/wKgaomU3OeWAZ793AAC5VxC1fRM309.png)
首先設(shè)置PN端的IP地址和設(shè)備名稱,需和博圖配置保持一致。
![wKgZomU3OemAWkPgAACPn6daWfM458.png](https://file1.elecfans.com/web2/M00/AB/B5/wKgZomU3OemAWkPgAACPn6daWfM458.png)
設(shè)置Modbus參數(shù),參數(shù)要和從站一致(注意:如果校驗(yàn)位不是無(wú)校驗(yàn)?zāi)敲磾?shù)據(jù)位請(qǐng)選擇9,輸出命令輪詢模式可根據(jù)需要選擇單次發(fā)送,連續(xù)發(fā)送,脈沖發(fā)送等)本例為波特率9600,8個(gè)數(shù)據(jù)位,1個(gè)停止位無(wú)校驗(yàn)
![wKgaomU3Oe2AVf2yAAFmJiFagNY131.png](https://file1.elecfans.com/web2/M00/A9/F7/wKgaomU3Oe2AVf2yAAFmJiFagNY131.png)
在Node處繼續(xù)右鍵插入功能碼;
![wKgZomU3OfOAMipuAAArWza4q4I370.png](https://file1.elecfans.com/web2/M00/AB/B5/wKgZomU3OfOAMipuAAArWza4q4I370.png)
![wKgZomU3OfqAB6UIAAB47GoDlCY687.png](https://file1.elecfans.com/web2/M00/AB/B5/wKgZomU3OfqAB6UIAAB47GoDlCY687.png)
手冊(cè)中范例起始地址為0002H,連續(xù)讀取2個(gè)地址的數(shù)據(jù),填入下圖之中。
![wKgaomU3Of-ALAm-AACGOfiU9xE486.png](https://file1.elecfans.com/web2/M00/A9/F7/wKgaomU3Of-ALAm-AACGOfiU9xE486.png)
內(nèi)存映射起始地址對(duì)應(yīng)博圖中的IQ地址,本例中I地址為68-83,那么地址為2話寄存器地址2號(hào)的數(shù)據(jù)就會(huì)映射到IW68后面數(shù)據(jù)依此往后按順序排列。注意,配置完IP和設(shè)備名稱下載到ModbusRTU轉(zhuǎn)Profinet網(wǎng)關(guān)后需要重新上電配置才會(huì)生效??梢酝ㄟ^(guò)這種測(cè)試方式來(lái)確保項(xiàng)目或工程的可靠性,有效地提高工作人員的生產(chǎn)效率。
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