Siemens SIMATIC STEP 7 V5.2 User Manual

Creating a Program in OB1
4-13
STEP 7 Getting Started
A
5E00171228-01
Programming an OR Function in Function Block Diagram
Insert a new network.
Select the input area again for the OR
function.
Insert an OR box (≥1) and an
assignment (=).
The addresses are still missing in the
OR function. Proceed in the same way
as for the AND function.
Enter "Key_3" for the upper input,
"Key_4" for the lower input, and
"Red_Light" for the assignment.
Save the block.

Siemens SIMATIC STEP 7 V5.2 Specifications

General

Brand	Siemens
Model	SIMATIC STEP 7 V5.2
Category	Industrial Equipment
Language	English