Restoring decimal points -20 – Hardy HI 2151/30WC Single-Scale Controller User Manual
Page 98
HI 2151/30WC MANUAL
6-20
Restoring Calibration
When Changing
Decimal Points
Restoring Decimal
Points
Step 1.
If you wrote down the parameters for this controller on the
Self Test - Calibration Form (Prt. # 0575-0016) enter the val-
ues from the form.
Step 2.
If you didn't write down the parameters on the Self Test - Cal-
ibration Form, get the form and write them down.
Step 3.
Check all Set point, Option and Calibration entries for the
correct decimal position.
NOTE:
You must complete procedures "c" before moving to procedure "d" to be sure that the
decimal points in the correct position. If you don't check the decimal positions the cal-
ibration will be incorrect.
Step 4.
From the CAL menu press the Enter button. The Hard Cali-
bration Sub-Menu HD CAL appears.
Step 5.
Press the Mode button. The Zero Count Sub-Menu ZR CNT
appears.
Step 6.
Press the Enter button. The current value is displayed.
Step 7.
Press -/Test/Clr button and enter the correct ZRCNT or Press
the Enter button to accept the current value. The Span Sub-
Menu SPAN Sub-Menu appears.
Step 8.
Press the Enter button. The current value is displayed.
Step 9.
The new decimal point will be displayed in the SPAN Sub-
Menu but it might be in the wrong place and displaying the
wrong span value.
Step 10. If the Span Value should be 2000.00 and the current display
shows 200.00, add a zero (0) by pressing the 0 button. Now
the value is correct.
Step 11. If the Span Value should be 200.00 and the current display
shows 2000.00, press -/Test/Clr button and enter 200.00.
Step 12. Press the Enter button twice. First the Full Scale Count Sub-
Menu FS CNT appears, then the current value is displayed.
Step 13. Press the -/Test/Clr button, enter the correct FSCNT then
press the Enter button or press the Enter button to accept the
current value.
Step 14. The RETURN display appears.
Step 15. Press the Enter button twice. First the END CAL display
appears, then the Secured Memory Module is updated and the
system returns to the weight display.