Siemens SIMATIC S7 System Manual page 170

Program instructions
7.1 Bit logic
FBD AND/OR input assignment
The editor feature described in the following table is active only if an input stub is selected
and colored red, inside the FBD box cursor.
Input option
Add input
Remove input
See also
Bit logic input examples (Page 182)
Logic stack overview (Page 172)
170
Place cursor
On box
On box and bottom input
Tool button
System Manual, V2.3, 07/2017, A5E03822230-AF
Shortcut key
+
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S7-200 SMART