Indexing Axes (T1)
21.2 Indexing axes
Turning, Milling, Nibbling
370 Function Manual, 11/2012, 6FC5397-1CP10-5BA0
21.2 Indexing axes
21.2.1 General information
General rules
Indexing axes can be traversed manually in the setup mode types JOG and INC, from a part
program with special instructions for "Coded positions" and by the PLC.
Upon reaching the indexing position the following interface signal is given out to the PLC:
V390x 1002.6 (indexing axis in position)
Hirth indexing axes cannot be traversed in JOG mode before reference point approach.
21.2.2 Traversing indexing axes in manual JOG mode
Reference point approach
An indexing axis approaches the reference point in the same way as other axes. The
reference point does not have to coincide with an indexing position.
V390x 0000.4 (referenced/synchronized 1) = 1
When the reference point is reached, the indexing axis moves only to indexing positions in
JOG mode during conventional and incremental traversing.
Exception: No indexing positions are approached when traversing with the handwheel.
V390x 0000.4 (referenced/synchronized 1) = 0
If the axis is not referenced, the indexing positions are not taken into account during manual
traversal in JOG!
Continuous traversal in JOG
Pressing a "+" or "-" traversing key causes the indexing axis to move in the same way as
with conventional JOG traversing. When the traversing key is released, the indexing axis
traverses to the next indexing position in the direction of traversing.
If the operator changes the direction of traversing before the indexing position has been
reached, the indexing axis is positioned on the next indexing position in the direction of
traversing. The traversing movement must be started in the opposite direction.
For further information on "continuous traversing in jog mode", see:
Manual and Handwheel Travel (H1)
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