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7. AUXILIARY FUNCTION
4) When reading sampled data
After confirming the sampling is being performed (SMPO) is turned off, read the sampled data and
valid read sampled points from the page 1 to the page of the sampling completion page number.
Sampled data points in the page where the sampling read is completed is stored in the valid read
sampled points.
Sampling completion page
number
Sampling read page number
Read sampled data
completion page number
Valid read sampled points
Read processing of sample
data from read area
(user program)
Reading 1
st
page
Reading 2
nd
page
Reading 64
th
page
64
1
2
64
-1 -1
32 32
5
1
264
0
0-1
sscGetSamplingData function
POINT
In the timing chart above, the data is stored in the page 1 to 64, and the
sampled data in the page 64 is valid from 1 to 5 points.
When sample data that is read is 0 for points outside of sample valid points.
In the following cases, the sampling read error (Read sampled data
completion page number is -2) occurs.
When the setting for the sampling read page number is outside of the
setting range
When the next page number of the sampling completion page number is
specified during the sampling