Reference Manual
00809-0100-4799, Rev BA
September 2002
Model 3244MV
A-10
Software Tag
• no charge
• transmitter can store up to 30 characters. If no such characters are
specified, the first 30 characters of the hardware tag are used as the
default.
OPTIONS
Custom Transmitter Configuration (Option Code C1)
Option code C1 allows you to specify the following data in addition to the
standard configuration parameters.
• Date: day, month, year
• Descriptor: 16 alphanumeric characters
• Message: 32 alphanumeric characters
Trim to Specific Rosemount RTD Calibration Schedule
(Transmitter-to-Sensor Matching) (option code C2)
Option code C2 allows you to order the transmitter trimmed to a specific
calibration schedule. This option requires that you order a Rosemount Series
65, 68, or 78 RTD sensor with a special calibration schedule. For information
on ordering sensors calibrated to specific calibration schedules, refer to the
Rosemount Sensors Product Data Sheets, publication number
00813-0100-2654 (Volume 1) or publication number 00813-0101-2654
(Volume 2).
Five Point Calibration (option code C4)
Option code C4 specifies that the transmitter be calibrated and verified at
five-points: 0, 25, 50, 75, and 100% digital output points.
Trim to Special non-Standard Sensor (option code C7)
You may order the transmitter with option code C7 when connecting
non-standard sensors, adding a special sensor, or expanding input ranges on
a standard sensor. Refer to Table 7-1 on page 7-1 for a list of standard sensor
types.
A characterization schedule for any RTD can be entered using Callandar-Van
Dusen constants with a Profibus configuration tool. The constants can be
entered on site or at the factory. For information on ordering sensors matched
to the transmitter using Callandar-Van Dusen constants, refer to the
Rosemount Sensors Product Data Sheet 00813-0100-2654 (Volume 1) or
00813-0101-2654 (Volume 2).
When a non-standard sensor is used as the input to the transmitter, the
resistance versus temperature curve for a non-standard RTD, or the millivolt
versus temperature curve for a non-standard thermocouple, is stored in the
transmitter memory. This process is performed at the factory. The transmitter
must be configured for a “special” sensor calibration to access the special
curve, but you may use any standard input when the transmitter is configured
for a “standard” sensor.
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