1122 HEIDENHAIN Technical Manual MANUALplus 620
7. Setting the
traverse range
To define the software limit switches, proceed as follows:
Traverse the reference points
Select NominalValue for the Axis display user parameter to display the
nominal position with respect to the machine zero point.
The position displays now show the distance to the machine zero point,
without taking the tool lengths or zero point shifts into account.
With the axis direction buttons or handwheel, move all axes in positive and
negative direction until they almost reach the EMERGENCY STOP limit
switch. Write down the displayed positions with the algebraic signs.
Enter the noted values in the machine parameters MP_swLimitSwitchPos
or MP_swLimitSwitchNeg.
Enter Default in the Axis display user parameter to return the position
displays to the display of the tool tip position with respect to the workpiece
zero point.
Settings in the configuration editor:
Axes
ParameterSets
[Key for parameter set]
CfgPositionLimits
swLimitSwitchPos
swLimitSwitchNeg
You can enter different traverse ranges. You must define a separate
parameter set per axis and traverse range. The individual traverse ranges
are activated by switching the parameter sets (e.g. by PLC).
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