描述
DCS系統(tǒng)接口
注重DCS系統(tǒng)接口的可靠性,注意重要接口的接口方式和冗余度。
【1】點(diǎn)擊數(shù)據(jù)交換,右鍵創(chuàng)建新的客戶機(jī)0;
【2】ModbusTCP協(xié)議,用于連接遠(yuǎn)端的ModbusTCP從站設(shè)備,此例中為FX5U的網(wǎng)口,該網(wǎng)口通過(guò)上一章的配置,已經(jīng)支持ModbusTCP服務(wù)器功能,且PLC的數(shù)據(jù)和Modbus地址映射關(guān)系也已配置;
【3】本地網(wǎng)卡選擇,選擇LAN時(shí),基于以太網(wǎng)口進(jìn)行數(shù)據(jù)交換;選擇WiFiStation或者WiFiAP時(shí),采用WiFi無(wú)線方式進(jìn)行數(shù)據(jù)交換,該方式應(yīng)當(dāng)確保設(shè)備之間的WiFi連接已經(jīng)建立;
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