Measurement Specialties 9116 Uživatelský manuál Strana 90

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Measurement Specialties Inc. Model 9116 User’s Manual
Page 78 www.MEAS-SPEC.com
cc
Transducer Coefficients Description
Datum
Type
33
Temperature 6 Temperature Output voltage at 0 psi
FLOAT
34
(reserved) Temperature 7 Temperature Output voltage at 0 psi
FLOAT
35
Temp Vs Pressure Correction coefficient (t0)
FLOAT
36
Temp Vs Pressure Correction coefficient (t1)
FLOAT
37
Temp Vs Pressure Correction coefficient (t2)
FLOAT
38
Temp Vs Pressure Correction coefficient (t3)
FLOAT
4D
Pressure Voltage Gain Index
INTEGER
4E
Temperature Voltage Gain Index
INTEGER
5F
Current Calculated Pressure (PSI)
FLOAT
The User Defined Date field (cc=07) is also a 32-bit integer which may be
encoded in a similar manner. Possible uses are to indicate the date of last user
zero and/or span calibration or possibly the date of next required calibration. If
this optional field is used, the user is responsible for correctly encoding the date
into the appropriate 32-bit integer value. Any modifications of this field (using
the Download Internal Coefficients (‘v’) command) will result in the new value
automatically being entered to transducer non-volatile memory.
The Date of Factory Calibration field (cc=08) identifies the date of factory
calibration for the DH200 transducer (9116). It is stored internally as a 32-bit
integer whose value (viewed as a decimal number) is in the format of yymmdd
(year, month, day).
A special single Other Coefficients array is selected with array index aa=11
(hex). All the valid coefficient indexes (for this array only) are listed in the
following table:
cc
Other Coefficients Description
Datum
Type
00
reserved - EU conversion offset term
FLOAT
01
EU Pressure Conversion scaler (default=1.0)
FLOAT
02
Reserved - EU conversion Non-Linearity term
FLOAT
03
Reserved-Reference Voltage value
FLOAT
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