Manual and Handwheel Travel (H1)
8.3 Incremental travel (INC)
Turning, Milling, Nibbling
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Function Manual, 11/2012, 6FC5397-1CP10-5BA0
8.3
Incremental travel (INC)
Programming increments
The path to be traversed by the axis is defined by so-called increments (also called
"incremental dimensions"). The required increment must be set by the machine user before
the axis is traversed.
The setting is made on the machine control panel, for example. After the corresponding logic
operation, the IS “Machine function: INC1 to INCvar” associated with the required increment
must be set by the PLC user program after it has been correctly linked. The PLC defines via
the "INC inputs in mode group range active" interface signal (V2600 0001.0) the signal range
within which INC signals are delivered to the NCK:
V2600 0001.0 = 1 →
in the operating mode range: VB3000 0002,
valid for all axes
V2600 0001.0 = 0 →
in the geometry axis / axis range:
VB3200 1001, VB3200 1005,
VB3200 1009, VB380x 0005
The active machine function IS "INC... " is signaled by the NCK to the PLC:
●
For geometry axes: V3300 1001.0, V3300 1005.0, V3300 1009.0 to .5
●
For machine axes / spindle: V390x 0005.0 to .5
Settable increments
The operator can set different increment sizes:
●
Fixed increments whose increment sizes are common to all axes: INC1, INC10, INC100,
INC1000 (only via IS: INC10000).
●
A variable increment (INCvar). The increment setting for the variable increment can also
be made for all axes using general SD41010 JOG_VAR_INCR_SIZE (size of the variable
increment for INC/handwheel).
Incremental travel in inching mode
If the traversing key for the required direction (e.g. +) is pressed, the axis begins to traverse
the increment that has been set. If the traversing key is released before the increment has
been fully traversed, the movement is interrupted and the axis stops. If the same key is
pressed again, the axis moves the remaining distance. Up to this point, the movement can
still be interrupted by releasing the traversing key. Pressing the traversing key for the
opposite direction does not have any effect, unless the increment has been fully traversed or
the movement has been aborted.
Traverse keys and travel command
As for continuous traversing (see Section "Continuous travel")