Advertisement
ADS-14221, PPT2 User Manual
PRESSURE READING DECIMAL POSITION
The table below shows the number of decimal place variations with respect to PPT2 full scale - the number of
digits to the right and left of the decimal place. This is valuable when converting a binary format number so that
the proper decimal position can be determined.
If CM=ON (PPT Compatibility Mode), subtract 1 from the "Digits to Right" column of the table below.
Full Scale *
(current Display Units)
≥ 9,000,000
≥ 900,000 and <
9,000,000
≥ 90,000 and <
900,000
≥ 9,000 and < 90,000
≥ 900 and < 9000
≥ 90 and < 900
≥ 9 and < 90
≥ 0.9 and < 9
≥ 0.09 and < 0.9
≥ 0.009 and < 0.09
≥ 0.0009 and < 0.009
< 0.0009
* For differential units, when determining decimal point position the Full Scale is the maximum positive pressure
(5 psid = 5, 20 psid = 20, etc)
Whether OP=E (extended) or OP=F (fixed) also has an impact upon how the data is displayed.
Example readings:
5 psid, OP=E, F=0 (5 psi)
?00CP=-0.00141
?00CP=0.02373
?00CP=-3.00537
?00CP=2.36973
5 psid, OP=F, F=0 (5 psi)
?00CP=-0.01442
?00CP= 0.00454
?00CP=-4.37939
?00CP= 3.80066
5 psid, OP=E, F=0.8 psi
?00CP=-.551017
?00CP=0.804965
5 psid, OP=F, F=0.8 psi
?00CP=-.779264
?00CP=0.733452
Digits
Digits
Digit to Left if
to Left
to
-1< reading < 1
Right
8
1
0, padded w/ leading spaces
7
1
0, padded w/ leading spaces
6
1
0, padded w/ leadings
spaces
5
1
0, padded w/ leading spaces
4
2
0, padded w/ leading spaces
3
3
0, padded w/ leading spaces
2
4
0, padded w/ leading space
1
5
0
1
6
0 or "-"
1
7
0 or "-"
1
8
0 or "-"
1
9
0 or "-"
(negative reading > -1)
(positive reading < 1)
(negative reading < -1)
(positive reading > 1)
(negative reading < -1)
(positive reading < 1)
(negative reading < -1)
(positive reading > 1)
(negative reading)
(positive reading)
(negative reading)
(positive reading)
October, 2016
Negative Values
"-" inserted after "="
"-" inserted after "="
"-" inserted after "="
"-" inserted after "="
"-" inserted after "="
"-" inserted after "="
"-" inserted after "="
"-" inserted after "="
Leading zero replaced with "-"
Leading zero replaced with "-"
Leading zero replaced with "-"
Leading zero replaced with "-"
15 of 85
Advertisement
