Load Symbols - Siemens SINUMERIK 840D sl Operating Manual

Alarms, error messages, and system alarms
21.5 PLC and NC variables
21.5.3

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 SINUMERIK Operate.
Preparing PLC data
Save the generated files in the /oem/sinumerik/plc/symbols directory.
Procedure
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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".
4. 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.
5. Press the "OK" softkey.
You return to the "NC/PLC variables" window.
6. Restart the SINUMERIK Operate in order to activate the files.
Operating Manual, 09/2011, 6FC5398-7CP40-2BA0
Milling