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cFP-CTR-502模块可以测量50KHz信号吗？
硬件: Compact FieldPoint>>Discrete I/O Modules>>cFP-CTR-502
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问题: 我想要用cFP-CTR-502测量一个50KHz的信号，但是内部的参考时钟为1kHz与32Hz.这样可以吗？
解答:
cFP-CTR-502模块可以测量频率高达50KHz的信号，但是要求最小脉冲时间为10微秒。1KHz与32KHz的内部时钟只是用于产生内部计数时需要的脉冲。
下面链接中引用的背景知识，"我应该如何连接两个漏电流I/O或者两个源电流I/O",可以用来参考如何接线实现一个源电流输出到一个源电流输入，这样你就可以用cFP-CTR-502来测量一个50KHz的信号。
相关链接: KnowledgeBase 2K0D6H5F: How Do I Connect Two Sinking I/O or Two Sourcing I/O Together?
KnowledgeBase 3ARE14GP: How Does the FieldPoint Frequency Measurement Shipping Example Work?
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报告日期: 12/07/2007
最近更新: 02/25/2008
文档编号: 4G6G64ES