CALIBRATE TENSION USING MENU
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DLCA NET-ECAT
MI 850A365 1
Page 31 of 72
Weightless calibration continued
Display now shows C12.4 or C22.4. Press [Enter] and enter the
combined load cell rating. Press and hold [Enter] for two seconds
(until the display starts flashing) to store the parameter. Range
{0, 999000}.
Display now shows C12.5 or C22.5. Press [Enter] and enter the
maximum tension. Press and hold [Enter] for two seconds (until
the display starts flashing) to store the parameter. This value
scales the output. The output will be at 10V or 20 mA when the
measured tension matches this value. The maximum output
voltage or current is set by the sub-menus OP1, OP2, OP3, and
OP4.
Display now shows C12.6 or C22.6. Press [Enter] and enter the
web wrap angle in 0.1 degree units. This is the angle over which
the web touches the idler roller. Press and hold [Enter] for two
seconds (until the display starts flashing) to store the parameter.
Refer to Figure 11 for the wrap angle "X". Range {0, 180.0}.
Display now shows C12.7 or C22.7. Press [Enter] and enter the
angle from the force direction arrow or center line in 0.1 degree
units. This is the angle between the resultant force from the web
tension and the force direction arrow of the load cell or centerline
of the load cell. The maximum value is 45 degrees. Press and
hold [Enter] for two seconds (until the display starts flashing) to
store the parameter. Refer to Figure 11 for the angle from force
direction "Y". Range {0, 45.0}.
T = Tension Force
R = Resultant Force
W = Roller weight
X = Web wrap angle
Y = Angle from force direction
arrow on load cell
Figure 11. Weightless calibration angles
