DAQ板的interchannel delay的最大值和最小值是多少?



主要软件:
主要软件版本: 4.6.1
主要软件修正版本: N/A
次要软件: N/A

问题:
我想改变DAQ板的interchannel delay,它的最大值和最小值是多少啊?

解答:
每块DAQ板有不同的最大和最小值,你可以很容易的得到这些值。
最大Interchannel Delay设置 = (1/(scan clock rate))/Scan list里面的通道数目。例如,以10000scans/second的速率采样16个通道。这样,最大的interchannel delay就是(1/10,000)/16 = 6.25E-6 seconds。

最小的Interchannel Delay设置 = 1/(DAQ板的最大的采样率)。比如说你有一块PCI-6070E,它的最大采样率为1.25MS/s,那么最小的Interchannel Delay就是1/1.25E6 = 8.0E-7 秒。

相关链接:
KnowledgeBase 2D6CTML8: Data Acquisition Sampling Terminology
KnowledgeBase 0YCBDERO: How Is the Channel Clock Rate Determined in My Data Acquisition VI Using Traditional NI-DAQ?
KnowledgeBase 1DAIG7W3: What Is the Difference between Interval Scanning and Round Robin Scanning?
KnowledgeBase 1HQ8JJ91: How Do I Perform Interval Scanning with Multiple Scans per Interval Instead of One (at High Speed)?
Developer Zone Tutorial: Is Your Data Inaccurate Because of Instrumentation Amplifier Settling Time?


附件:





报告日期: 05/01/2003
最近更新: 01/02/2008
文档编号: 2X0A5RW0