Truth Table 2I/1O - Siemens SIMOCODE pro System Manual

Logic modules
11.3

Truth table 2I/1O

Description
The truth table 2I/1O consists of:
• 2 plugs
• One logic component
• One socket.
You can choose from four possible input conditions the ones with which to
generate an output signal.
Overall, there are two truth tables (7 and 8) available for BU2.
Schematic
The following schematic shows the "Truth Table for 2I/1O" logic modules
Input 1
Input 2
Fig. 11-5: "Truth Table for 2I/1O" logic modules
Example
You want to implement the following circuit:
Circuit:
Fig. 11-6: Example of truth table 2I/1O
11-6
Truth Table 7 2I/1O
Output
S1 S2
Q1 Q1 switches with:
S1 or S2
Input 1
Truth Table 8 2I/1O
Input 2
Truth table, input conditions colored in gray:
S1= S2=
Input 1 Input 2
0 0
0 1
1 0
1 1
GWA 4NEB 631 6050-22 DS 03
Output
Q1=
Output
0
1
1
1
SIMOCODE pro