LNS™ 3 Monitor Sets 介绍 点击:1789 | 回复:2



gongkongedit

    
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发表于:2001-11-08 19:09:00
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Feedback on Monitor Sets Monitor and Control To monitor is to obtain network variable values from the network To control is to modify network variable values Monitoring Techniques Control Techniques Monitor Sets What is a Monitor Set? Collection of Monitor Points Created on a specific Network Interface Used by Local, Full, and Independent Clients for Monitoring and Control What is a Monitor Point? A Network Variable that is being monitored Monitor Sets can be independently turned on and off Using Monitor Sets & Points Create a Monitor Set On a network interface (usually a local one) May use a network interface that will be used by a Independent Client Create the Monitor Point by adding the NV to the Monitor Set A Network Variable can be added to multiple Monitor Sets Monitor Points have independent Poll Rates Monitor Sets Create a new monitor set ObjectServer.Networks.Network.MyVNI.MonitorSets.Add(“BigSet”) Types of monitor points in that set NvMonitorPoint – Network Variable MsgMonitorPoint – Explicit Message Start using an existing monitor set MyVNI.MonitorSets.Item(“Pumps”).Open() Adding a monitor point myPumpsSet.NvMonitorPoints.Add(“pump1Speed”, nvObject, ConnDescTemplate Enabling a monitor set all at once myMonitorSet.Enable() DataPoints DataPoints returned by MonitorSet Updates The MonitorPoint provides a context for the Data Point The Data Point provides Formatted Data Raw Data Format-Specifier Access MonitorPoint Updates only return DataPoints Context is implicit from the MonitorPoint that generated the update DataPoint.Read() DataPoint.Write() Summary of Monitor Sets Monitor Sets are made of Monitor Points Data Points are provided in a known context Monitor Sets provide: Easy, fast starting/stopping of monitor applications Logical sets of values to be monitored Robust handling of Update Events



Lonworks中国用户

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发表于:2001-11-06 10:18:00
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听说这个monitor set有些bug问题,不知道现在补丁没有?

gongkongedit

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发表于:2001-11-08 19:09:00
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请安装最新LNS 补丁SP4

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