Revision 5.0
ST 800 Series HART/DE Option User’s Manual
Page 73
10.
When prompted, remove the pressure.
11.
On the next prompt – “Please enter Calibration Date in MM/DD/YYYY format, for example
“05/27/2009,” and press Enter.
12.
On the next prompt – “Please enter current Calibration Time in 24 Hr Clock format (Hour
field)”, enter the hour portion of the calibration time in the 24 Hr format HH, for example
“12,” and press Enter.
13.
On the next prompt – “Please enter current Calibration Time (Minute field),” enter the
Minutes field MM (example 23), and press Enter.
14.
When prompted, return the loop to automatic control, and press Enter.
Resetting Calibration
SmartLine HART Pressure Transmitter can erase incorrect calibration data by resetting the device
back to
final factory calibration
, which is performed per the ordered range. The Corrects Reset
command returns the zero and span calibration factors to the original precise factory calibration.
See Dual / Triple Calibration on page75.
The following procedure is used to reset calibration data to factory calibrated range using the
communicator.
1.
Connect the MC Toolkit per figure 6 across the loop wiring and turn on.
2.
Turn the MC Toolkit on, start the FDC application.
3.
On the FDC Home page, select Online, and establish communication with the Transmitter.
4.
Select the My Device menu, and choose from the following selections:
a.
Device Setup \ Calibration \ Calibration Methods \ Reset Corrects
5.
You will be prompted to remove the loop from automatic control. After removing the
loopfrom automatic control, press OK.
6.
You will be notified that a Reset Corrects is about to occur. Press OK
7.
When the message “Reset Corrects OK” appears, press OK. The previous calibration
“Corrects” are removed and calibration is reset to the factory values.
8.
When prompted to return the loop to automatic control, press OK
Calibration Records
A history of the date and time of the last three Calibration procedures is available for the HART
device. Run the Methods and follow the screen prompts to read the Calibration Records.
Select “My Device\Device Setup\Calibration” to select the following calibration records
•
Correct URV Records
•
Correct LRV Records
•
Zero Trim Records
•
Reset Corrects Records
