PC DEMO HARDWARE AND SOFTWARE
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Copyright LMI Technologies Inc. 2003
changed, it is important to pay attention to the D/A range values, and to
redefine them.
Error Checking
Error checking method used by sensor to communicate with the
Host: Checksum(Default) or CRC.
To change select the method from the list and click on
“
Error Checking
”
button.
Filter Parameters, Dropout, Smooth and Order, are used to filter the data in the scan buffer.
Reasonable values for
‘
SMOOTH
’
factor,
‘
ORDER
’
factor and
‘
DROPOUT
’
count are (50.0%,
3, 10) respectively.
Dropout Factor
To change the dropout factor, edit the value and Click on
“
Set Scan Variables
”
.
This specifies the number of bad readings to fill in with the last good reading if
the sensor does not obtain valid readings. Dropout filter is applied to the scan
buffer before the moving average filter. Results are as follows:
Dropout Count
Result
1
No dropouts removed.
10
Any bad laser reading
10 samples wide are
filled in with previous valid data.