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硬件: CompactRIO>>Controllers>>cRIO-9002, CompactRIO>>Controllers>>cRIO-9004

问题: 在cRIO900x中,CPU的百分比在运行时为0%,而空闲时为100%。在分布式系统管理器中用RT Get CPU loads.vi上均是如此。从LabVIEW 8.6.1到LabVIEW 2010中均受影响。

解答: 通过设置ni-rt.ini文件可以解决这个问题。键值在文件中已经存在,所以修改其值,保存文件,上传该文件并覆盖老的版本即可。 [TIME SYNC] source.rtc.enable=True [SYSTEMSETTINGS] LegacyTickTimerPeriod=False MicrosecondTimingMode=1 source.rtc.enable使能将系统时钟和cRIO-9002/9004实时时钟同步。禁用LegacyTickTimerPeriod使时基更为精确。 MicrosecondTimingMode 允许NI Scheduler来使用微秒级精准度。

相关链接: How Do I Synchronize All Time Bases and Enable the Microsecond Timing Source for My cRIO-9002/9004 RT Controller?


报告日期: 07/03/2012
最近更新: 01/31/2016
文档编号: 5Z283GHB