Execute External Subprogram (828D) (Extcall) - Siemens SINUMERIK 840D sl Programming Manual

Flexible NC programming
1.24 Subprogram technique
1.24.3.11

Execute external subprogram (828D) (EXTCALL)

Function
A part program can be loaded from an external memory and executed with the
command.
The following are available as external memory:
● User CF card
● Network drive
● USB drive
Note
USB drive
As the interface for the execution of an external program located on a USB drive, only the
USB interface of the operator panel front (PPU) may be used.
Note
Do not use a USB-FlashDrive
It is recommended that a USB-FlashDrive is not used for the execution of an external
subprogram. A communication interruption to the USB FlashDrive during the execution of
the subprogram due to contact problems, failure, abort through trigger or unintentional
unplugging, results in an immediate stop of the machining. The tool and/or workpiece
could be damaged.
Default setting of the external program path
The path for the external program directory can be preset with the setting data:
SD42700 $SC_EXT_PROG_PATH
Together with the program path and identifier specified with the
entire path for the subprogram to be called.
Note
Parameter
When calling an external program, none of these parameters can be transferred to it.
Syntax
EXTCALL("<path>:<program name>")
202
EXTCALL
Programming Manual, 03/2013, 6FC5398-2BP40-3BA1
EXTCALL
call, this forms the
Job Planning