Siemens sinumerik 840D sl Operating Manual page 664

Ladder Viewer and Ladder add-on (828D only)
20.8 Editing the local variable table
664
6. Press the "Attach line" softkey if you want to add a further variable and
enter the data.
- OR -
Select the relevant variable and press the "Delete line" softkey to
remove the variable from the list.
Operating Manual, 07/2010, 6FC5398-8CP40-0BA0
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