LS SERIES SERVICE MANUAL
ISSUE 4.0 FULL CONTROL CONSOLE DIAGNOSTICS 7
12.6 Loadcell Calibration
Note that the loadcell can ONLY be calibrated if an accurate reference load is available.
Ensure that the Safe-Line button is pressed so that the yellow lamp is not lit.
1 Press the key under LOADCELL to display the "Calibrate Loadcell" screen.
Calibrate Load Cell
Serial
Number Size Calibrate View
XXXX 1kN Or Verify Points
2 Press the key under CALIBRATE OR VERIFY to display the screen shown below: -
Serial Number XXXXX Size XkN
Measured Load XXXXX N
Clear Cal Cal Direction
Points Point Tension Up
3 Attach the calibration device to the machine ensuring that no load is applied to the
loadcell or calibration device.
4 Zero the load reading on the calibration device.
5 Press the Zero key on the control console to zero the machine load display.
6 Ensure that UP is shown as the Direction. If DOWN is displayed, press the key under
DIRECTION so that the display shows UP.
7 Ensure that CAL TENSION is displayed above the 3rd key. If CAL COMPRES'N is
displayed, press the 3rd key so that the display shows CAL TENSION
8 The crosshead speed is selected using the numerical keypad as shown in the table
below. Note that the number 0 will stop the crosshead and hold the load. Do NOT press
the ■ (Stop) key because the load may drop when the load pulls the crosshead back.
KEY SPEED
1 10 mm/min
2 5 mm/min
3 2 mm/min
4 1 mm/min
5 0.5 mm/min
6 0.2 mm/min
7 0.1 mm/min
8 0.05 mm/min
9 0.01 mm/min
0 ACTIVE STOP
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