Meaning
EXTOPEN: Pre-defined procedure to open an external device/file
<Result>: Parameter 1: Result variable
By using the result variable value, it can be evaluated in the program as to wheth‐
er the operation was successful and processing is then appropriately continued.
Type: INT
Values: 0 No error
1 External device cannot be opened
2 External device is not configured
3 External device with invalid path configured
4 No access rights for external device
5 Usage mode: External device already "exclusively" occupied
6 Usage mode: External device already being "shared"
7 File length longer than LOCAL_DRIVE_MAX_FILESIZE
8 Maximum number of external devices has been exceeded
9 Option for LOCAL_DRIVE not set
11 Reserved
12 Write mode: Data contradicts extdev.ini
16 Invalid external path has been programmed
22 External device not mounted
Work preparation
3.23 Additional functions
NC programming
998 Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
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