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5. Update the calibration factor used in the display and controller. Follow the
manufacturers instructions for updating the factor. (CONFIG – IP menus).
Controller Calibration
The controller uses the same load cell signal that is used by the display. For this reason, they
use the same calibration factor.
1. Obtain the new load cell calibration factor. Multiply the value in mV/V times the display
excitation voltage.
2. Enter the controller or display Config mode. Navigate to the IP menu and enter the
InP.H value with the calculated load cell output corresponding to 50,000 Lbf (displayed
as 5000). This value must equal the calibration factor used by the load cell display.
3. Exit the controller Config mode.
4. Enter the controller IP menu. Adjust the OFS.1 offset value until the displayed value
with zero load on the load cell is 0 . This may require some trial and error.
5. Test the system to determine that the controller and display indicate the same load value.
Note that the value displayed by the controller must be multiplied by 10 to obtain Lbf.
The display indicates in units of Lbf directly.
Cal
Factor
*
Exec
Voltage
SECTION 3 – MAINTENANCE
=
Load
Output
3-5
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