Axis Functions; Axis Replacement, Spindle Replacement (Release, Get, Getd) - Siemens SINUMERIK 840D sl Programming Manual
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3.15 Axis functions
3.15
Axis functions
3.15.1
Axis replacement, spindle replacement (RELEASE, GET, GETD)
One or more axes or spindles can only ever be interpolated in one channel. If an axis has to
alternate between two different channels (e.g. pallet changer) it must first be enabled in the
current channel and then transferred to the other channel. Axis replacement is effective
between channels.
Axis replacement extensions
An axis/spindle can be replaced either with a preprocessing stop and synchronization between
preprocessing and main run, or without a preprocessing stop. An axis interchange is also
possible via:
● Axis container rotation AXCTSWE or AXCTWED using implicit GET/GETD
● Frame with rotation if this process links the axis with other axes.
● Synchronized actions, see Motion-synchronous actions, "Axis replacement RELEASE, GET".
Machine manufacturer
Please refer to the machine manufacturer's instructions. For the purpose of axis replacement,
one axis must be defined uniquely in all channels in the configurable machine data and the axis
replacement characteristics can also be set using machine data.
Syntax
RELEASE (axis name, axis name, ...) or RELEASE (S1)
GET (axis name, axis name, ...) or GET (S2)
GETD (axis name, axis name, etc.) or GETD(S3)
With GETD (GET Directly), an axis is fetched directly from another channel. This means that no
suitable RELEASE must be programmed for this GETD in another channel. It also means that
other channel communication has to be established (e.g. wait markers).
Meaning
RELEASE (axis name, axis name, etc.):
GET (axis name, axis name, etc.):
GETD (axis name, axis name, etc.):
Axis name:
RELEASE(S1):
GET(S2):
GETD(S3):
GET request without preprocessing stop
870
Release the axis (axes)
Accept the axis (axes)
Directly accept the axis (axes)
Axis assignment in the system: AX1, AX2, ... or
specify machine axis name
Release spindles S1, S2, ...
Accept spindles S1, S2, ...
Direct acceptance of spindles S1, S2, ...
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
NC programming
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