08/2005 Expanding the Operator Interface (BE1)
3 Syntax
© Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl/840D/840Di/810D HMI Installation and Start-Up Guide (IAM) – 08/2005 Edition
BE1/3-77
A screen form, which calls another screen form but remains open
when the second screen form is displayed is known as a master
screen form. A screen form called from a master screen form is
known as a sub-screen form.
The advantage of the MSx parameter is that when screen
forms are replaced, they do not have to be reinitialized every
time because the data and layout of the current screen form
are retained and data transfer is facilitated.
1: The current screen form (master screen form) is interrupted
when the LM function is activated, the new screen form
(sub-screen form) is loaded and displayed. On EXIT, the sub-screen
form is terminated and the program reverts to the interruption point
of the master screen form. The UNLOAD block is not processed in
the master screen form on interruption.
Default setting: 0
VARx List of variables that can be transferred from the master screen form
to the sub-screen form.
Requirement: MS1
Up to 20 variables, each separated by a comma, can be transferred.
Note
Parameter VARx transfers only the value of the variable in each case, i.e.,
variables can be read and written in the sub-screen form, but are not visible in it.
Variables can be returned from the sub-screen form to the master screen form by
means of the EXIT function.
PRESS(HS1)
LM("MASKE2",”C:\CFI\CFI.COM”,1, POSX, POSY,
DIAMETER)
;Interrupt screen form1 and open screen form2. At the same
;time, transfer variables POSX, POSY and DIAMETER.
DLGL("Form2 ended")
;On return from screen form2, the following text appears in the
;dialog line of screen form1: Screen form2 ended.
END_PRESS
LS function
The LS function can be used to display another softkey menu.
LS("identifier"[, "file"][, merge])
where:
Identifier Name of softkey menu
File Path name (HMI file system or NC file system)
of configuration file
Default setting: Actual configuration file
Merge 0: All currently displayed softkeys are deleted - the
newly configured softkeys are entered
1: Merge, i.e., only newly configured softkeys overwrite
existing softkeys, other
Softkeys are retained with their existing functionality
and text
Default setting: 1
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