Siemens sinumerik 840D sl Operating Manual page 668

Ladder Viewer and Ladder add-on (828D only)
20.11 Inserting and editing networks
Procedure
668
1. An interrupt routine has been selected.
2. Press the "Edit" softkey.
3. Position the cursor on a network.
4. Press the "Insert network" softkey.
- OR -
Press the <INSERT> key.
A new, empty network is inserted behind the network in which the
cursor is positioned.
5. Position the cursor on the desired element below the network title and
press the "Insert operation" softkey.
The "Insert Operation" window appears.
6. Select the desired bit operation (NC contact or NO contact) or
assignment and press the "OK" softkey.
7. Press the "Insert operand" softkey.
8. Enter the logic operation or the command and press the <INPUT> key
to complete the entry.
9. Position the cursor on the operation that you want to delete and press
the "Delete operation" softkey.
- OR -
Position the cursor on the title of the network that you want to delete
and press the "Delete network" softkey.
- OR -
Press the <DEL> key.
The network, including all the logic operations and operands, or the
selected operation is deleted.
Operating Manual, 07/2010, 6FC5398-8CP40-0BA0
Turning