ABB S4Cplus Instruction page 18

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1.4. Calibration scales and correct axis position
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When axis 3 is put in calibration position, the mark on the calibration plate is visible above
the mechanical stop, as shown in the figure below.
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Mechanical stop of axis 3
Calibration mark on calibration plate, axis 3
Calibration plate and marking, axis 6
Punch, axis 1, 3HAB8223-1
Punch, axis 2, 3HAB8223-1 (1 marking)
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3HAC 16578-1 Revision: E