Load Mask (Lm) - Siemens SINUMERIK 828D Commissioning Manual
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6.3.23
Load Mask (LM)
Description
The LM function loads a new dialog. Depending on the mode of the dialog change (see table
below), a message dialog can also be implemented with this function.
Master dialog / sub-dialog
A dialog, which calls another dialog, but is not ended itself, is referred to as a master dialog.
A dialog that is called by a master dialog is referred to as a sub-dialog.
Programming
Syntax:
Description:
Parameter:
Note
Parameter VARx transfers only the value of the variable in each case, i.e. variables can be
read and written in the sub-dialog, but are not visible in it. Variables can be returned from the
sub-dialog to the master dialog by means of the EXIT function.
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("Identifier"[,"File"] [,MSx [, VARx] ] )
LM
Loads a dialog
Identifier
Name of the dialog to be loaded
File
Path name (HMI file system or NC file system) of the configura‐
tion file; default setting: Current configuration file
MSx
Mode of dialog change
0: (Default setting) The current dialog is rejected, the new dialog
is loaded and displayed. EXIT will send you back to the standard
application. You can use the MSx parameter to determine
whether or not the current dialog should be terminated when
changing dialogs. If the current dialog is retained, variables can
be transferred to the new dialog.
The advantage of the MSx parameter is that the dialogs do not
always need to be reinitialized when they are changed. Instead,
the data and layout of the current dialog are retained and data
transfer is made easier.
1: The current master dialog is interrupted when the LM function
is initiated. The new sub-dialog is loaded and displayed (e.g. for
the implementation of a message dialog). EXIT will end the sub-
dialog and return to the point at which the master dialog was
interrupted.
In the master dialog, the UNLOAD block is not processed during
the interruption.
VARx
Precondition: MS1
List of variables which can be transferred from the master dialog
to the sub-dialog. Up to 20 variables, each separated by a com‐
ma, can be transferred.
Programming commands
6.3 Functions
135
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