Siemens SINUMERIK 840Di Function Manual page 337

REPOS display Offset
Once the search target has been found, the FXS status active on the machine is displayed
for each axis via the axial VDI signals:
IS "Activate travel to fixed stop" (DB31, ... DBX62.4)
and
IS "Fixed stop reached" (DB31, ... DBX62.5).
Example:
If the machine is at the fixed stop and the block search has reached a block after deselection
ofFXS, the new target position is displayed as the REPOS offset via IS "Fixed stop reached"
(DB31, ... DBX62.5) as REPOS offset.
FXS fully automatically in REPOS
With REPOS the functionality of FXS is repeated automatically and designated FXS-REPOS
below. This sequence is comparable to the program "fxsSeruproAsup.mpf." Every axis is
taken into account and the torque last programmed before the search target is applied.
The user can treat FXS separately in a SERUPRO-ASUP.
The following then applies:
Every FXS action in SERUPRO-ASUP automatically ensures
$AA_FXS[X] == $VA_FXS[X].
This deactivates FXS-REPOS for axis X.
Deactivate FXS REPOS
FXS-REPOS is deactivated by:
• An FXS synchronous action which refers to REPOSA
• $AA_FXS[X] == $VA_FXS[X] in SERUPRO_ASUP.
Travel to Fixed Stop (F1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
or
Note
A SERUPRO-ASUP without FXS handling or no SERUPRO-ASUP results in fully
automatic FXS-REPOS.
Caution
FXS-REPOS moves all path axes in a path grouping to the target position. Axes with and
without FXS treatment thus traverse together with the G code and feedrate valid at the
time the target block is processed. As a result, the fixed stop may be approached in rapid
traverse (G0) or higher velocity.
Detailed Description
2.1 General functionality
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