Extcall - Siemens SINUMERIK 840D sl Operating Manual

8.12

EXTCALL

The EXTCALL command can be used to access files on a local drive, USB data carriers or
network drives from a part program.
The programmer can set the source directory with the setting data SD42700
EXT_PROG_PATH and then specify the file name of the subprogram to be loaded with the
EXTCALL command.
Supplementary conditions
The following supplementary conditions must be taken into account with EXTCALL calls:
● You can only call files with the MPF or SPF extension via EXTCALL from a network drive.
● The files and paths must comply with the NCK naming conventions (max. 25 characters
● A program is found on a network drive with the EXTCALL command if
Examples of EXTCALL calls
The setting data can be used to perform a targeted search for the program.
● Call of USB drive on TCU (USB storage device on interface X203), if SD42700 is empty:
● Call of USB front connection (USB FlashDrive), if SD42700 is empty: e.g. EXTCALL
● Call of network drive, if SD42700 is empty: e.g. EXTCALL "//Computer name/Enabled
HMI sl Turning
Operating Manual, 01/2008, 6FC5398-7AP10-0BA0
for the name, 3 characters for the identifier).
– With SD42700 EXT_PROG_PATH: The search path refers to the network drive or a
directory contained on the network drive. The program must be stored directly on that
level, no subdirectories are searched.
– Without SD42700: The correct location of the program is specified in the EXTCALL
call itself by means of a fully qualified path that can also point to a subdirectory of the
network drive.
e.g. EXTCALL "//TCU/TCU1 /X203 ,1/TEST.SPF"
- OR -
Call of USB drive on TCU (USB storage device on interface X203), if SD42700
"//TCU/TCU1 /X203 ,1" contains: EXTCALL "TEST.SPF"
"//ACTTCU/FRONT,1/TEST.SPF"
- OR -
Call of USB front connection (USB FlashDrive), if SD42700 "//ACTTCU/FRONT,1"
contains: EXTCALL "TEST.SPF"
drive/TEST.SPF"
- OR -
Call of network drive, if SD42700 "//Computer name/Enabled drive" contains: EXTCALL
"TEST.SPF"
Program management
8.12 EXTCALL
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