Siemens SINUMERIK 828D

Example
CP("D:\source.mpf","E:\target.mpf")
; Copy from source.mpf to E:\tar-
get.mpf
IF FILE_ERR > 0 ; Query whether error has occurred
IF FILE_ERR == 1 ; Query specific error numbers and
output associated error text
VAR5 = "Drive/path not available"
ELSE
IF FILE_ERR == 2
VAR5 = "Path/file access error"
ELSE
IF FILE_ERR == 3
VAR5 = "incorrect file name"
ENDIF
ENDIF
ENDIF
ELSE
VAR5 = "All OK" ; If no errors have occurred in CP
(or GC), "All OK" is output
ENDIF
5.21 FOC variable
Description
With
the variable FOC, the input focus (current active input/output field) is controlled in a dialog.
The reaction of the cursor left, right, up, down as well as PGUP, PGDN are predefined.
Note
The FOC function must not be initiated as a result of a navigation event. The cursor position
may only be changed in softkey PRESS methods, CHANGE methods, etc.
The
FOC function cannot be applied to variables with input mode wr = 0 and wr = 4 or to Help
variables.
Programming
Syntax: FOC
Description: The variable can be read and written.
Variables
5.21 FOC variable
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