Logic Blocks With The Bool Data Type; F_And4 - Siemens SIMATIC S7 F Manual

Fail-Safe Blocks
8.7

Logic Blocks with the BOOL Data Type

Block

F_AND4

F_OR4
F_XOR2
F_NOT
F_2OUT3
F_XOUTY
8.7.1 F_AND4
Function
This block links the inputs by means of AND. The output OUT is 1 if all the inputs
are 1. Otherwise, the output is 0. The output OUTN corresponds to the negating
output OUT.
Truth Table
IN1 IN2
0 0
0 0
0 0
0 0
0 1
0 1
0 1
0 1
1 0
1 0
1 0
1 0
1 1
1 1
1 1
1 1
Fail-Safe Systems
A5E00085588-03
Description
AND logic operation on four inputs
OR logic operation on four inputs
XOR logic operation on two inputs
NOT logic operation
Binary selection 2 out of 3
Binary selection X out of Y
IN3 IN4
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
OUT OUTN
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
0 1
1 0
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