Siemens SINUMERIK 840D sl Programming Manual page 610

Additional functions
16.9 Process DataShare - output to an external device/file (EXTOPEN, WRITE, EXTCLOSE)
WRITE
EXTCLOSE
Example
Program code
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: Command to write output data
For a description, see "Write file (WRITE) (Page 139)"!
: Command to close an external device/file that has been opened
:
<error>
:
<ExtG>
DEF INT RESULT
DEF BOOL EXTDEVICE
DEF STRING[80] OUTPUT
DEF INT PHASE
EXTOPEN(RESULT,"LOCAL_DRIVE/my_file.txt","SYN","SHARED")
IF RESULT > 0
MSG("error for EXTOPEN:" << RESULT)
ELSE
EXTDEVICE=TRUE
ENDIF
PHASE=4
IF EXTDEVICE
OUTPUT=SPRINT("end of phase: %D",PHASE)
WRITE(RESULT,"LOCAL_DRIVE/my_file.txt",OUTPUT)
ENDIF
Parameter 1: Variable for returning the error value
Type: INT
Values: 0 No error
16 Invalid external path has been programmed
21 Error when closing the external device
Parameter 2: Symbolic identifier for the external device/file to be
closed
For a description see under
Note:
The identifier must be identical to the identifier specified in the
command!
EXTOPEN
Programming Manual, 03/2013, 6FC5398-2BP40-3BA1
!
EXTOPEN
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