Specifications

CPU and Input/Output Configuration
6-3
S7-200 Programmable Controller System Manual
C79000-G7076-C233-01
Examples of Local and Expansion I/O
Figure 6-1 and Figure 6-2 provide examples that show how different hardware
configurations affect the I/O numbering. Notice that some of the configurations
contain gaps in the addressing that cannot be used by your program.
CPU 221
I0.0 Q0.0
I0.1 Q0.1
I0.2 Q0.2
I0.3 Q0.3
I0.4
I0.5
Process-image I/O register assigned to physical I/O:
Figure 6-1 I/O Numbering Examples for a CPU 221
Module 0 Module 1 Module 3
I0.0 Q0.0
I0.1 Q0.1
I0.2 Q0.2
I0.3 Q0.3
I0.4 Q0.4
I0.5 Q0.5
I0.6 Q0.6
I0.7 Q0.7
I1.0 Q1.0
I1.1 Q1.1
I1.2
I1.3
I1.4
I1.5
I2.0 Q2.0
I2.1 Q2.1
I2.2 Q2.2
I2.3 Q2.3
I3.0
I3.1
I3.2
I3.3
I3.4
I3.5
I3.6
I3.7
Q3.0
Q3.1
Q3.2
Q3.3
Q3.4
Q3.5
Q3.6
Q3.7
CPU 224
8
Out
8
In
4 In /
4 Out
Process-image I/O register assigned to physical I/O:
Figure 6-2 I/O Numbering Examples for a CPU 224