廈門泰尼電氣有限公司
主營產(chǎn)品: AB模塊PLC |
廈門泰尼電氣有限公司
主營產(chǎn)品: AB模塊PLC |
參考價(jià) | 面議 |
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140DSI35300---140DSI35300
140DSI35300---140DSI35300
常用PLC組網(wǎng)方式大致可概括為基于通用串口、基于總線及基于以太網(wǎng)三種。
1 通用串口模塊
基于串口通信模塊來實(shí)現(xiàn)網(wǎng)絡(luò)連接,網(wǎng)絡(luò)結(jié)構(gòu)如圖1所示,采用了計(jì)算機(jī)鏈接的形式,在上位機(jī)的組態(tài)軟件中進(jìn)行相應(yīng)的設(shè)置,無需編程,即可與多臺(tái)PLC進(jìn)行通訊,以三菱公司的FXlS系列的PLC為例,RS232C/485轉(zhuǎn)換適配器選用FX-485PC—IF,RS-485通訊板選用FXlN-485一BD即可實(shí)現(xiàn),這種方法使用較為方便,性能也很好,關(guān)鍵是串口通信模塊的成本相對較高。:張亮(工程師) 專線:
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