Siemens Sinumerik 840D sl Programming Manual page 718

Additional functions
14.10 Output to an external device/file (EXTOPEN, WRITE, EXTCLOSE)
Effectiveness of the EXTOPEN parameter <write mode>
By specifying the write mode, when configuring in the extdev.ini file as well as for an
EXTOPEN call, authorization conflicts can occur, which are then acknowledged with EXTOPEN
- possibly with error:
Value from extdev.ini
"O"
"A"
-
LOCAL_DRIVE: File attribute
The files created with EXTOPEN on LOCAL_DRIVE are allocated the following file attributes:
• Owner:
• Group:
Maximum number of opened external devices
A maximum of 10 output devices can be simultaneously opened across all NC channels. In
addition, there are two entries reserved for Siemens cycles.
A maximum of 5 tasks can be simultaneously active for these devices.
718
Value of the EXTOPEN parameter
"OVR"
O
Error
O
Explanation:
O: "Overwrite" mode is active.
A: "Append" mode is active.
Error: EXTOPEN call is acknowledged with error.
"user" Read/write rights set
"operator" Read/write rights set
"APP"
Error
A
A
Programming Manual, 02/2011, 6FC5398-2BP40-1BA0
-
O
A
A
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