From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
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下面给出的是列出的设备在基于10000次更新后的基准测试结果。所有的测试都是在没有软件延迟和数据验证的情况下执行的。每个周期产生的值都被捕获。附上获得这些测试结果的VI。
为了强调 USB 和 PCI 格式间的性能的区别,表中将两者分两列进行了比较。
CompactDAQ 使用了于 USB-625X 设备相同的数字定时和USB技术来传输数据,因此认为它们在速率方面的性能是相同的。
静态数字输入:
数据格式 | USB-625X | PCI-625X |
U32 (Port Format) | 885 Hz | 95000 Hz |
1D Boolean Array | 885 Hz | 82000 Hz |
静态数字输出:
数据格式 | USB-625X | PCI-625X |
U32 (Port Format) | 845 Hz | 112000 Hz |
1D Boolean Array | 840 Hz | 101000 Hz |
静态数字输入和输出:
数据格式 | USB-625X | PCI-625X |
U32 (Port Format) | 435 Hz | 30500 Hz |
1D Boolean Array | 430 Hz | 28500 Hz |
测试计算机:
Dell Optiplex GX280, Windows XP SP2, 1 GB RAM,Pentium 4 3.2 GHz
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