Siemens SINUMERIK 840Di Function Manual page 1275

Fig. 2-27
Scrolling
A scroll bar is displayed if it is not possible to display all variables in the window. The
remaining variables can be reached by scrolling (page up/down).
Variables in multi-dimensional structures
If variables are selected from multidimensional structures, then the column and/or line
number as well as the area number must be entered so that the variables can be addressed.
The required numbers can be found in the NC variables documentation.
References:
/LIS/ Lists; Variables
By entering a zero (0) as the block number or the line or column index, it is possible to use
the variable in the S7 PLC as a pointer to these data. When reading or writing these data via
the functions "PUT" and "GET", the optional parameters "UnitX", "ColumnX" and "LineX"
must be filled with the necessary information.
Fig. 2-28
PLC Basic Program Solution Line (P3 sl)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Screen with complete list and selected variables
Entry field for line, column and block no.
2.11 General conditions and NC-VAR_Selector
Detailed Description
2-81