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4. Absolute Position Detection System
4.3 Starting up Absolute Position Detection System
III-22
(Note 6) Automatic initialization cannot be started if one of the following event occurs. An attempt to start it
encounters the message "T01 CAN’T CYCLE ST".
• Data has not been specified for "#0 INIT. SET" parameter.
• Invalid data has been specified for the "#2 ZERO" parameter.
• Data has not been specified for "#2055 pushf" of the [ABS. POSI PARAM] screen.
• "Z71 DETECTOR ERROR 0005" has occurred.
Invalid data for the "#2 ZERO" parameter indicates that the relationship between "#2 ZERO" and
zero return parameter "#2037 G53ofs" is inadequate. That is, if the former is smaller than the
latter, the machine end stopper would be located between the zero point of the basic machine
coordinate and machine zero point; this disables automatic initialization. If the former is 0, the
direction of the machine end stopper is unpredictable; this also disables automatic initialization.
See the figure below.
Machine end
stopper
(Mechanical basic
position)
Zero point of basic machine
coordinate
Zero point of basic machine
coordinate
Machine end stopper
(Mechanical basic
position)
"#2 ZERO"
Zero-return parameter
"#2037 G53ofs"
Reference
point
Zero return cannot be performed because the machine zero
point is located far beyond the machine end stopper when it is
seen from the zero point of the basic machine coordinate.
If 0 is specified for "#2 ZERO", the
zero point of the basic machine
coordinate is located on the
machine end stopper. The direction
in which the axis is to be moved is
thus unpredictable.
Explanation of causes that disable automatic initialization