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and save it in the memory or on a disk for your future analysis. Please
see the provided software examples for more information.
5.2.1 Channel Scan Sequence
The scanning order of the channels is related to the order in which the
user adds channels. When the acquisition task starts, the channels added
by the user will be assigned to each ADC according to the group to which
they belong. Each ADC will automatically switch channels through the
multiplexer to traverse all enabled channels of the ADC for analog to
digital conversion.
For a single ADC, the scan order is always consistent with the order in
which the channels within the ADC packet range are added. However,
since the four ADCs work at the same time, the scanning order of all the
channels is not necessarily exactly the same as the order in which the
user adds the channels.
Figure 26 shows a typical channel scan sequence. In this case, the user
added all channels (Ch 0 ~ Ch 19) in order under the
“4-wire mdoe”
topology, and these channels were automatically assigned to 4 ADCs. At
the beginning of the acquisition task, each ADC will start working at the
same time, and then switch the channels in its group.
ADC0
Ch0
Ch1
Ch2
Ch3
Ch4
Ch5
Ch18
Ch6
Ch7
Ch8
Ch9
Ch10
Ch11
Ch12
Ch13
Ch14
Ch15
Ch16
Ch17
Ch19
Ch5
Ch6
Ch7
Ch8
Ch9
Ch10
Ch11
Ch12
Ch13
Ch14
Ch18
Ch15
Ch16
Ch17
Ch19
Ch0
Ch1
Ch2
Ch3
Ch4
ADC1
ADC2
ADC3
Channels added by user
Ch0
Ch1
Ch2
Ch3
Ch4
Convert Sequence
time
Sample 0
Ch5
Ch6
Ch7
Ch8
Ch9
Ch10
Ch11
Ch12
Ch13
Ch14
Ch15
Ch16
Ch17
Ch18
Ch19
Figure 26 Typical channel scan sequence