Configuration and operation
4.9 STEP 7 configuration
CP 1242-7 GPRS V2
Operating Instructions, 10/2016, C79000-G8976-C311-02
63
Assigning data points to their data source
After creating it, you assign a new data point to its data source. Depending on the data type
of the data point a PLC tag can serve as the data source.
For the assignment you have the following options:
● Click on the table symbol
in the cell of the "PLC tag" column.
All configured PLC tags and the tags of the created data blocks are displayed. Select the
required data source with the mouse or keyboard.
● Click the symbol
.
A selection list of the configured PLC Tags and the blocks is displayed. From the relevant
table, select the required data source.
● In the name box of the PLC tag, enter part of the name of the required data source.
All configured PLC tags and tags of the data blocks whose names contain the letters you
have entered are displayed.
Select the required data source.
Note
Assignment of parameter values to PLC tags
The mechanisms described here also apply when you need to assign the value of a
parameter to a PLC tag. The input boxes fro the PLC tag (e.g.: PLC ta
g for partner status
support the functions described here for selecting the PLC tag.
Arranging and copying objects
As with many other programs in the data point or message editor you can also arrange the
columns, sort the table according to your requirements and copy and insert objects.
● Arrange columns
If you click on a column header with the left mouse button pressed, you can move the
column.
● Sorting objects
If you click briefly with the left mouse button on a column header, you can sort the objects
of the table in ascending or descending order according to the entries in this column. The
sorting is indicated by an arrow in the column header.
After sorting in descending order of a column the sorting can be turned off by clicking on
the column header again.
● Adapting the column width
You call this function using the shortcut menu that opens when you click on a column
header with the right mouse key.
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