Siemens SINUMERIK 840D sl Operating Manual page 344

Program management
8.12 EXTCALL
● Use of the HMI user memory (local drive):
NOTICE
Execution from USB FlashDrive
Direct execution from a USB FlashDrive is not recommended.
There is no protection against contact problems, falling out, breakage through knocking or
unintentional removal of the USB FlashDrive during operation.
Disconnecting it during operation will result in immediate stopping of the machining and,
thus, to the workpiece being damaged.
344
The HMI user memory is subdivided into part programs (mpf.dir), subprograms (spf.dir)
and workpieces (wks.dir) with the respective workpiece directories (.wpd).
– SD42700 is empty: EXTCALL "TEST.MPF"
The same search sequence is used on the CompactFlash card as in the NCK part
program memory.
– Specification of the complete path: e.g. EXTCALL
"card/user/sinumerik//data/prog/spf.dir/test"
A search is performed for the specified file.
Software options
You need the "Additional 256 MB HMI user memory on CF card of NCU"
option in order to display the "Local drive" softkey.
To set up network drives, you need the "Network drive management" option.
Operating Manual, 01/2008, 6FC5398-7AP10-0BA0
HMI sl Turning