Reference Manual
00809-0100-4697, Rev EA
October 2011
Rosemount 848T
3-24
1. Under SENSOR_CALIB, the SENSOR_NUMBER to the number of
the sensor to calibrate.
2. Set CALIB_UNIT to calibration unit.
3. Set CALIB_METHOD to User Trim (seeTable 3-8 on page 3-16 for
valid values).
4. Set the input value of the sensor simulator to be within the range
defined by CALIB_LO_LIMIT and CALIB_HI_LIMIT.
5. Set CALIB_POINT_LO (CALIB_POINT_HI) to the value set at the
sensor simulator.
6. Read CALIB_STATUS and wait until it reads “Command Done”
7. Repeat steps 3 to 5 if performing a two-point trim. Note that the
difference in values between CALIB_POINT_LO and
CALIB_POINT_HI must be greater than CALIB_MIN_SPAN.