Siemens SINUMERIK 840D SL Operating Manual page 668

Ladder Viewer and Ladder add-on (828D only)
21.12 Inserting and editing networks
Column
Column 1
Column 2
(optional)
Column 3
(only possible if no assign, set or reset
operations were specified in the second
column)
Note
Logical AND (serial contact) and logical OR (parallel contact) are not possible.
The bit combinations comprise one or several logical operations and the assignment to an
output / bit memory.
If the cursor is moved further to the left with the arrow key, the type of assignment or a logic
operation can be selected. A further logic operation cannot be placed to the right of an
assignment. A network must always be terminated with an assignment.
References
For further information about PLC programming, please refer to:
Function Manual Basic Functions, PLC for SINUMERIK 828D (P4)
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 -
Operation
NO contact
•
NC contact
•
NOT
Rising edge
Falling edge
Assign
Set
Reset
Assign
Set
Reset
Operating Manual, 02/2012, 6FC5398-7CP40-3BA0
-| |-
-|/|-
-|NOT|-
-|P|-
-|N|-
-( )
-(S)
-(R)
-( )
-(S)
-(R)
Milling