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I-8014W API User Manual, v1.0.1, June 2011
Copyright © 2011 ICP DAS Co., Ltd. All Rights Reserved. E-mail: service@icpdas.com
38
Virtual sample and hold mode
Virtual sample and hold works like that the several channels set into the scan function
are sampled at the same time; actually, the sampling rate is 250 kHz , and the scan
cycle time is the period for the sampling rate you set into the Magic Scan.
For example, if you set the sampling rate as 1 kHz and configure Ch0, Ch1, and Ch2
into the scan function, the sampling rate for scanning Ch0 to Ch2 is 250 kHz, and the
frequency of scan cycle is 1 kHz, therefore, the time used between one scan cycle to
the next is 1 ms.