Siemens SINUMERIK 840D sl Function Manual page 652

Detailed description
2.6 Block search Type 5 SERUPRO
$AC_SERUPRO and $P_ISTEST, if SERUPRO is still active in the main run
Note
During interpretation of system variables $P_ISTEST and $AC_SERUPRO, a check is made
to determine whether the SERUPRO target block has already been found.
If so, an implicit preprocessing stop is inserted before the two system variables are
evaluated.
As a result, interpretation is halted and not continued again until SERUPRO is deactivated in
the main run as well. The decision as to whether SERUPRO must be active or inactive is
then made correctly.
Additional variable for interpretation during simulation search
In JOG and MDA modes, NC variable "selectedWorkPProg" can be used to select whether
the previously selected program or the program to be simulated is to be displayed in the HMI
during the simulation, e.g., with SERUPRO. For more information, refer to
References: /LIS2/ Lists (Book 2), Section "Variables".
2.6.10 Restrictions
Conditional use
SERUPRO supports the following NC functions subject to certain restrictions:
NCK functionality
Master/slave for drives
and SERUPRO
Axis enables and SERUPRO
Axis replacement and SERUPRO
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Restrictions
Selective enabling and disabling of the master/slave link with
MASLON active
Real servo enable missing during program testing
Axes traversing as path axes before RELEASE are ignored on
REPOS
Basic logic functions: Mode group, channel, program operation, reset response (K1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0