Siemens SIMATIC S5 Manual page 147

Programming the IP 265 with COM 265
Inserting a language element
Move the cursor to the connecting line in which the language element is to be inserted (omit in
the case of an empty segment).
Select the language element to be inserted from the choices given on the menu line and press
the associated function key.
Example:
Initial situation
&
I 0.0
I 0.1
Inserting a binary input
You may insert additional inputs (as many as 8) for language elements AND, OR and XOR.
Move the cursor to an input of the language element for which an additional input is to be
generated.
Select the "Insert" function in the function key menu by pressing function key <F3>.
Example:
Initial situation
&
I 0.0
I 0.1
9-42
Keyboard entry
">=1"
F2
Q 0.5
Keyboard entry
"Insert"
F3
Q 0.5
Result
I 0.0
>=1
I 0.1
I 0.0
I 0.1
IP 265
&
Q 0.5
Result
&
Q 0.5
EWA 4NEB 812 6130-02a