75BS-Analog Sensor Object
7BChapter Four: Operation
70
Code DEC Symbol
Name
Conversion
Factor
1001hex
4097
Counts
Full Scale Counts
29788=100% Full Scale
1007hex
4103
Percent
% Full Scale
100.00 (Base % Full Scale)
1300hex 4864
Psi
(pound-force)/(inch)2
0.0193368 (Base Torr)
1301hex 4865
Torr
mmHg (0
°
C)
1.0 (Base Torr)
1302hex
4866
mTorr
mTorr
1000.0 (Base Torr)
1304hex 4868 inHg (0
°
C)
inch of mercury (0
°
C)
0.0393701 (Base Torr)
1305hex 4869 cmH2O (4
°
C)
centimeter of water (4
°
C)
1.35955 (Base Torr)
1306hex 4870 inH2O (4
°
C)
inch of water (4
°
C)
0.535254 (Base Torr)
1307hex
4871
bar
bar
0.00133322 (Base Torr)
1308hex
4872
mbar
millibar
1.33322 (Base Torr)
1309hex 4873
Pa
pascal
N/(m)2
133.322 (Base Torr)
130Ahex
4874
kPa
kilopascal
0.133322 (Base Torr)
130Bhex
4875
atm
standard atmosphere
0.00131579 (Base Torr)
130Chex 4876
gram/cm2
gram-force per square
centimeter
1.359510250028 (Base Torr)
Specific Services
Table 39: S-Analog Sensor Object Specific Services
Service Code
(dec) (hex)
Service
Name/
Access Rule
Description of Service
53 0x32 U-Coarse
Zero
Adjustment
Sends a Target pressure value, usually zero, to the device. Corrections
to the digital zero are made to bring the pressure Value (Attribute 0x6)
to the specified Target Value. The range of this service is –4 to +20%
of Full Scale. This service is also initiated by depressing the Coarse
Zero Push Button for at least 2 seconds.
75 0x4B U-Fine
Zero
Adjust
Sends a Target pressure value, usually zero, to the device. The value of
Offset-B (Attribute 0x10) is modified to bring the pressure Value
(Attribute 0x6) to the specified Target Value. The range of this service
is
±
2% of Full Scale.
76 0x4C U-Gain
Adjust
Sends a Target pressure value to the device. The value of the Gain
(Attribute 0x0E) is then modified to bring the pressure Value
(Attribute 0x6) to the specified Target Value. Valid gain values range
from 0.98 to 1.02.
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