基本解釋[計算機科學技術]自由口模式[電子、通信與自動控制技術]自由口通信英漢例句雙語例句The system adopts single main-station to control the serial ports under free port mode.系統(tǒng)採用單主站方式，在自由口模式下控制串口。How to implement serial communication between S7-200 PLC and computer based on free port mode was described in detail in the paper.詳細介紹了在自由口模式下S7-200 PLC與計算機實現(xiàn)串行通信的方法，重點介紹了通信協(xié)議及其實現(xiàn)方法，竝給出了編程實例。This paper shortly introduces the network communicating function of S7-200 series PLC, gives the programming instance that use its free port mode to communicate with Modem.本文簡要介紹S7- 2 0 0系列PLC的網絡通訊功能，給出了採用自由口模式與調制解調器進行通訊的編程實例。free-port mode更多例句專業(yè)釋義計算機科學技術自由口模式電子、通信與自動控制技術自由口通信Through the free port mode communication protocol, accelerate the speed of communication between PLC, has met the systematic demand.通過自由口通信協(xié)議,加快PLC之間的通信速度,滿足了系統(tǒng)的要求。