Load Symbols - Siemens SINUMERIK 828D Operating Manual

Alarms, error messages, and system alarms
20.5 PLC and NC variables
20.5.3

Load symbols

PLC data can also be edited via symbols.
To do this, the symbol tables and texts for the symbols in the PLC project must have been
suitably prepared (STEP7) and made available in the HMI sl.
Preparing PLC data
Save the generated files in the /oem/sinumerik/plc/symbols directory.
Procedure
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4. Position the cursor on the template folder for variable screen forms in
which your actual screen form should be saved and press the "OK"
softkey.
The "Save screen: Name" window opens.
5. Enter the name for the file and press the "OK" softkey.
A message in the status line informs you that the screen form was
saved in the specified folder.
If a file with the same name already exists, they you will receive a
prompt.
6. Press the "Load screen" softkey.
The "Load screen" window opens and displays the sample folder for
the variable screen forms.
7. Select the desired file and press the "OK" softkey.
You return to the variable view. The list of all of the predefined NC and
PLC variables is displayed.
1. The variable view is opened.
2. Press the ">>" and "Load icons" softkeys.
The "Import PLC symbols: *.snh" window opens.
3. In the folder "/oem/sinumerik/plc/symbols", select the "PlcSym.snh"
file to import the symbols and then click on "OK".
In the folder "/oem/sinumerik/plc/symbols", select the "PlcSym.snt" file
to import the symbols and then press the "OK" softkey.
You will obtain an appropriate note if the tables were successfully
imported.
Operating Manual, 06/2009, 6FC5398-7CP20-0BA0
HMI sl Milling