Honeywell IPT User Manual page 16

Note: These values can be used to determine if the IPT is being used within its specified
operating range. If samples from the pressure ADC are outside this range, the accuracy
of the correction algorithm cannot be guaranteed.
3.3.2.6 Minimum/Maximum Temperature Output
The minimum and maximum temperature output values (Min/Max Tout) are the
minimum and maximum values observed from the temperature channel ADC over the
IPT operating temperature/pressure range and are stored as 16-bit unsigned integers.
The minimum value is stored in locations A4 through A5 and the maximum value in A6
through A7.
Examples:
Note: These values can be used to determine if the IPT is being used within its specified
operating range. If samples from the temperature ADC are outside this range, the
accuracy of the correction algorithm cannot be guaranteed.
3.3.2.7 Algorithm/Type, Date
Four unsigned bytes are used to identify the correction Algorithm, IPT transducer Type
and the manufacturing Date Code (Algorithm/Type/Date Code) at locations A8
through AB.
The most significant byte is used to identify both the correction Algorithm and IPT type
with high nibble for Algorithm and low nibble for Type (shown here in binary).
Algorithm is:
Type is defined as:
Date is stored using the three remaining bytes in the format of mmddyy.
Example: 010C1B07 = Algorithm #1, Absolute, December 27, 2007
Example: 13060B0A = Algorithm #2, Differential, June 11, 2010
3.3.2.8 Serial Number
The IPT' serial number (Serial No.) is stored as an unsigned 32-bit value in locations
AC through AF.
Example:
3.3.2.9 Honeywell Part Number
The Honeywell part number (Hon. P/N) stored in EEPROM is encoded to form a P/N in
the form of 22xxxxxx-0xx or 58xxxxxx-xxx with a special-order code of –Tyyy.
xxxxxxxx is 24-bit unsigned value from 000000 to 16777215 and yyy is an 8-bit
unsigned value from 00 to 255.
40175 = 9CEF
Min
60503 = EC57
Max
#1
#2
Absolute
Gauge
Differential
1100009827 = 4190D163
= 0000b
= 0001b
= 0001b
= 0010b
= 0011b
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