Userlayer is composed of client nodes, which can submit tasks to NCDCS.
用户层主要由客户节点构成,NCDCS系统上运行的任务由客户节点提交。
2
Main points of the model implementing scheme and designing idea are respectively given for physical layer, data link layer, application layer and userlayer.
分别给出物理层、数据链路层、应用层、用户层的模型实施方案及技术要点的设计思想。
3
OPC specifications and IEC 61499 standard both are protocols of UserLayer of FieldBus Control System(FCS), and both are based on software component technology.