本案例為西門子1200PLC連接科爾摩根伺服驅(qū)動(dòng)器,在正常工作時(shí)要支持EtherCAT協(xié)議,作為EtherCAT從站,監(jiān)控系統(tǒng)西門子S7-1200系列PLC支持PROFINET協(xié)議。協(xié)議上不一致無(wú)法直接通訊實(shí)現(xiàn)數(shù)據(jù)交互。需要通過(guò)第三方的協(xié)議轉(zhuǎn)換模塊來(lái)實(shí)現(xiàn)不同協(xié)議之間的數(shù)據(jù)交換。在本案例中使用北京開疆智能生產(chǎn)的EtherCat轉(zhuǎn)Profinet網(wǎng)關(guān)模塊,實(shí)現(xiàn)PLC和遠(yuǎn)程IO數(shù)據(jù)的整體交互,下圖提供自動(dòng)化任務(wù)的概述,網(wǎng)關(guān)模塊連接西門子S7-1200 PLC(PROFINET)和科爾摩根EtherCAT伺服驅(qū)動(dòng)器通訊。
1、首先將網(wǎng)關(guān)GSD文件導(dǎo)入西門子PLC組態(tài)軟件中;
![poYBAGRjLB6ARIlEAAM87Qi3nXA319.png](https://file.elecfans.com/web2/M00/A5/A9/poYBAGRjLB6ARIlEAAM87Qi3nXA319.png)
2、找到GSD所在文件夾;
![pYYBAGRjLCeAE7G1AAQohEq5Y9s462.png](https://file.elecfans.com/web2/M00/A6/26/pYYBAGRjLCeAE7G1AAQohEq5Y9s462.png)
3、添加EtherCAT轉(zhuǎn)Profinet網(wǎng)關(guān)模塊,并設(shè)置EtherCAT轉(zhuǎn)Profinet網(wǎng)關(guān)IP地址及設(shè)備名稱;
![pYYBAGRjLC2ADTw4AAbFwkwSCgA088.png](https://file.elecfans.com/web2/M00/A6/26/pYYBAGRjLC2ADTw4AAbFwkwSCgA088.png)
4、添加輸入輸出字節(jié)數(shù)長(zhǎng)度;
![pYYBAGRjLDOAa3GHAAdUtErRWDo588.png](https://file.elecfans.com/web2/M00/A6/26/pYYBAGRjLDOAa3GHAAdUtErRWDo588.png)
5、保存組態(tài)并下載到PLC,打開EtherCAT轉(zhuǎn)Profinet網(wǎng)關(guān)配置軟件,新建項(xiàng)目并設(shè)置EtherCAT轉(zhuǎn)Profinet網(wǎng)關(guān)IP及設(shè)備名稱(與PLC組態(tài)保持一致);
![pYYBAGRjLDiAGX3tAAFci94tQTs511.png](https://file.elecfans.com/web2/M00/A6/26/pYYBAGRjLDiAGX3tAAFci94tQTs511.png)
6、添加從站伺服,設(shè)置從站一些基本參數(shù)(一般站號(hào)自動(dòng)排序,所以保持默認(rèn)即可);
![pYYBAGRojz-AHRFVAAH0CC2fSWM290.png](https://file.elecfans.com/web2/M00/A7/12/pYYBAGRojz-AHRFVAAH0CC2fSWM290.png)
![poYBAGRojziANncOAAEVZg0u_Wc196.png](https://file.elecfans.com/web2/M00/A6/96/poYBAGRojziANncOAAEVZg0u_Wc196.png)
7、設(shè)置從站的PDO參數(shù)分配;
![poYBAGRoj1OAc6xaAAV0ygDFCo0062.png](https://file.elecfans.com/web2/M00/A6/96/poYBAGRoj1OAc6xaAAV0ygDFCo0062.png)
![poYBAGRoj0qAf_VIAASsen8lQkU871.png](https://file.elecfans.com/web2/M00/A6/96/poYBAGRoj0qAf_VIAASsen8lQkU871.png)
8、本例在RPDO1里設(shè)置了控制字,加速度,減速度,位置,運(yùn)行模式5個(gè)參數(shù)。(一條PDO可配置多個(gè)參數(shù))TPDO1里設(shè)置了狀態(tài)字一個(gè)參數(shù),確認(rèn)配置無(wú)誤后點(diǎn)擊“操作”-“連接”;隨后預(yù)運(yùn)行及運(yùn)行會(huì)變?yōu)楹谏蛇x狀態(tài)。依次點(diǎn)擊預(yù)運(yùn)行-運(yùn)行,把配置下載進(jìn)EtherCAT轉(zhuǎn)Profinet網(wǎng)關(guān)即可。連接PLC與EtherCAT轉(zhuǎn)Profinet網(wǎng)關(guān)及第三方設(shè)備。Ok燈亮后表示Profinet通訊正常,RUN常亮,err滅表示EtherCAT通訊正常,通訊正常后對(duì)對(duì)應(yīng)的IQ地址進(jìn)行讀寫即可。
![pYYBAGRoj1qACGrsAADGo7CRgXM527.png](https://file.elecfans.com/web2/M00/A7/12/pYYBAGRoj1qACGrsAADGo7CRgXM527.png)
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