MVME172- -263/260 MOTOROLA PLC操作系统

MOTOROLA MVME2301 -900
MOTOROLA MVMB2604 712I/0
MOTOROLA MVME300
MOTOROLA MVME5100
MOTOROLA MVME5500
MOT0R0LA MVME712M
MOTOROLA VME162P A344SE
MOTOROLA XVME-674
MOTOROLA XVME-957
XYCoM Proto XVME-085
XYCOM XVME -530
XYCoM XVME-653
XYCOM xVME -976
TRIC0NEX 4101
TRICONEX 4107
TRIC0NEX 4118

描述

通信活动都需要PLC操作系统的管理,网络读写(包括其他类似的通信指令)指令只是告诉操作系统有需要处理的通信任务。因此,网络读写指令采取通信数据缓冲区的方式,在操作系统的通信管理功能与PLC的用户程序之间交换信息。

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