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Step 2: Calculating the calibration
The data collected in the previous section does not immediately impact the calibration
parameters the gauge is using. Once you finish collecting the data for both ends of the
calibration, calculate the new calibration parameters by using the "Two Point Cal" function
from the calibration menu.
Note: It is important to have the proper Linearization curve loaded into the gauge before
executing the Two Point Cal function. The gauge may have to extrapolate the endpoints and
needs the curve in place to do this.
1.
From 146 CAL CHANNELS screen, select CAL CHANNEL #2 and press ENTER
2.
From 149 CAL CHANNEL #1 screen, press SELECT to choose CAL CHANNEL
#2 and press ENTER
3.
From 185 CAL CHANNEL #2 screen, press SELECT to choose TWO POINT
CALIBRATE and press ENTER
4.
From 192 TWO POINT CAL HAVE YOU DONE A CAL LO AND CAL HI FIRST?
screen, select YES and press ENTER
5.
From 157 SAVE CALIBRATE RESULT IN UPPER RAM? screen, select YES and
press ENTER
6.
Press PREVIOUS SCREEN until you return to MAIN MENU
7.
Connect the write protect jumper, JP17 and save to EEPROM
8.
Disconnect the write protect jumper, JP17.
Step 3: Saving the calibration information to EEPROM
After completion of step 2, all of the calibration information is in the RAM memory of the
Smart Pro. You must copy this data to the non-volatile EEPROM for long-term storage. On all
system re-boots, the EEPROM data copies into the RAM memory and becomes the current
configuration. Refer to page46 for information concerning the upload and download
configuration program. Follow the procedure on page 93 to save the calibration information to
the EEPROM.
W-4510 Weigh Scale Technical Reference Manual
Procedure 36: Calculate calibration—Channel #2
Calibration
103
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