EtherNet/IP轉(zhuǎn)Modbus TCP在新能源風力發(fā)電場遠程監(jiān)控與數(shù)據(jù)分析的配置案例
一、案例背景
在風力發(fā)電場的中控室安裝捷米特JM-EIPM-TCP網(wǎng)關(guān),連接到風電場的局域網(wǎng)。確保風力發(fā)電機組的控制系統(tǒng)、變流器等采用 MODBUS TCP 協(xié)議的設(shè)備以及基于 EtherNet/IP 協(xié)議的遠程監(jiān)控系統(tǒng)和數(shù)據(jù)分析系統(tǒng)均已正常運行且網(wǎng)絡(luò)連接正常。
二、硬件設(shè)備
風力發(fā)電機組變流器:支持標準的MODBUS TCP協(xié)議
遠程監(jiān)控系統(tǒng):支持標準的EtherNet/IP協(xié)議
捷米特JM-EIPM-TCP協(xié)議網(wǎng)關(guān):實現(xiàn)連接EtherNet/IP設(shè)備和網(wǎng)絡(luò)到Modbus TCP網(wǎng)絡(luò)系統(tǒng)。該網(wǎng)關(guān)可實現(xiàn)雙向數(shù)據(jù)交換,既允許現(xiàn)有的、低成本的EtherNet/IP設(shè)備集成到Modbus TCP網(wǎng)絡(luò)系統(tǒng),也可提供來自Modbus TCP的數(shù)據(jù)給EtherNet/IP設(shè)備使用。
三、技術(shù)指標
在Modbus TCP一側(cè)為Modbus TCP Server;
功能碼:支持01H、02H、03H、04H、05H、06H、0FH、10H號功能;
在EtherNet/IP側(cè),該設(shè)備將作為支持EtherNet/IP通訊掃描器。
支持波特率:10kbit/s,20kbit/s, 50kbit/s,100kbit/s, 125kbit/s,250kbit/s,500kbit/s,800kbit/s,1Mbit/s,其它波特率可以定制.
最大連接數(shù):126個從站
工作環(huán)境溫度:-25~55℃,濕度≤95%
防護等級:IP20
四、設(shè)備配置及安裝
網(wǎng)關(guān)設(shè)置:給網(wǎng)關(guān)通電后,使用配置軟件進行設(shè)置。在 MODBUS TCP 側(cè),輸入風力發(fā)電設(shè)備的 IP 地址范圍,如 192.168.2.10-192.168.2.20,依據(jù)設(shè)備通信手冊,確定數(shù)據(jù)標簽的訪問方式,設(shè)置風速、轉(zhuǎn)速、功率等參數(shù)的數(shù)據(jù)長度和更新周期。在 EtherNet/IP 側(cè),配置網(wǎng)關(guān)與遠程監(jiān)控系統(tǒng)和數(shù)據(jù)分析系統(tǒng)的通信,設(shè)置網(wǎng)關(guān)的 IP 地址為 192.168.3.100,將從風力發(fā)電設(shè)備采集到的風速數(shù)據(jù)映射到 EtherNet/IP 的特定數(shù)據(jù)標簽,如 Tag_WindSpeed,轉(zhuǎn)速、功率等數(shù)據(jù)也依次映射到相應(yīng)標簽.
MODBUS TCP側(cè)Modbus Poll軟件在線觀察,所有命令界面無報錯信息顯示,Err指示數(shù)字不變化則通訊正常,如圖所示:
4.5.1 EIPSCAN側(cè)通訊輸入輸出數(shù)據(jù)
通過TCP主站修改數(shù)據(jù),觀察EIP側(cè)從站數(shù)據(jù)變化。
TCP主站寫命令輸出,監(jiān)控截圖:
EIP側(cè)從站數(shù)據(jù)輸入,監(jiān)控截圖
通過EIP側(cè)從站修改數(shù)據(jù),觀察TCP側(cè)主站數(shù)據(jù)變化。
EIP側(cè)模擬從站數(shù)據(jù)輸出,監(jiān)控截圖:
TCP側(cè)主站數(shù)據(jù)輸入,監(jiān)控截圖:
五、監(jiān)控與優(yōu)化:遠程監(jiān)控系統(tǒng)和數(shù)據(jù)分析系統(tǒng)通過網(wǎng)關(guān)獲取風力發(fā)電設(shè)備的數(shù)據(jù),實現(xiàn)對風電場的實時監(jiān)控和數(shù)據(jù)分析。根據(jù)數(shù)據(jù)分析結(jié)果,對風電場的運行進行優(yōu)化,如調(diào)整葉片角度、控制發(fā)電功率等,提高發(fā)電效率和設(shè)備可靠性 。同時,對網(wǎng)關(guān)及整個通信系統(tǒng)進行定期檢查和維護,確保數(shù)據(jù)傳輸?shù)姆€(wěn)定性.
審核編輯 黃宇
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