CALIBRATE TENSION USING MENU
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DLCA NET-ECAT
MI 850A365 1
Page 32 of 72
Weightless calibration continued
Display now shows C12.8 or C22.8. Press [Enter] to start the
weightless calibration. The display will show a wait screen, and
then display PASS for a successful calibration or an error code to
indicate an issue with the calibration. Press [Enter] to return to
displaying tension.
See the calibration errors in Table 2.
If the display tension reads negative when force is applied to the
load cell, change parameter P.06 or P.08 (Tension Polarity) to -1.
The displayed tension will now read positive when force is
applied.
Display Error description and solution
PASS
Calibration was successful. No Errors found.
Er 1
Signal read by the amplifier is too large when maximum tension is applied. This is
caused by maximum tension being too large. Reduce maximum tension.
Er 2
Signal read by the amplifier is too small. Too little of the load cell range is being
used, thus the gain is greater than 32:1. Use more of the load cell range or set
maximum tension higher.
Er 3
Roller weight too large. Roller weight exceeds 90% of the load cell rating. Make
roller weight smaller.
Er 4
Calibration tension is greater than maximum tension. Make maximum tension
larger than calibration tension.
Er 5
Maximum tension exceeds the load cell rating. Lower wrap angle, make roll weight
smaller, get higher rated load cells, or lower maximum tension.
Table 2. Calibration errors
