本文讨论用EIARS- 232c串行接口作为通讯线路,并选用国际链路层通讯协议HDLC进行FMS中主机与CNC系统的通讯。
In dealing with the communication between host computer and CNC system in FMS, EIA RS-232C serial interface and HDLC data link are used.
本文讨论用EIARS- 232c串行接口作为通讯线路,并选用国际链路层通讯协议HDLC进行FMS中主机与CNC系统的通讯。
In dealing with the communication between host computer and CNC system in FMS, EIA RS-232C serial interface and HDLC data link are used.
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