Maximum I/O Configurations For S7-200 Cpus - Siemens SIMATIC S7-200 System Manual

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Table 1-3

Maximum I/O Configurations for S7-200 CPUs

Module
CPU 221
CPU 222
Max Digital In/Out
CPU
2 x EM 223 DI16/DO16 x DC24V
or
2 x EM 223 DI16/DO16 x DC24V/Rly
Max Analog In
CPU
2 x EM 235 AI4/AQ1
Max Analog Out
CPU
2 x EM 232 AQ2
CPU 224
Max Digital In/Rly Out
CPU
4 x EM 223 DI16/DO16 x DC24V/Rly
2 x EM 221 DI8 x DC24V
Max Digital In/DC Out
CPU
4 x EM 223 DI16/DO16 x DC24V
Digital In/Max Rly Out
CPU
4 x EM 223 DI16/DO16 x DC24V/Rly
1 x EM 222 DO8 x Rly
CPU 226
Max Digital In/Rly Out
CPU
6 x EM 223 DI16/DO16 x DC24V/Rly
1 x EM 223 DI8/DO8 x DC24V/Rly
Max Digital In/DC Out
CPU
6 x EM 223 DI16/DO16 x DC24V
1 x EM 221 DI8 x DC24V
CPU 224 or CPU 226
Max Analog In
CPU
7 x EM 235 AI4/AQ1
Max Analog Out
CPU
7 x EM 232 AQ2
S7-200 Programmable Controller System Manual
A5E00066097-02
Digital
5V ma
Inputs
No expansion possible
+340
8
-320 or
32
-300
>0
Total =
40
+340
8
-60
Total =
>0
8
+340
8
-40
Total =
>0
8
+660
14
-600
64
-60
16
Total =
=0
94
+660
14
-640
64
Total =
>0
78
+660
14
-600
64
-40
Total =
>0
78
+1000
24
-900
96
-80
8
Total =
>0
128
+1000
24
-960
96
-30
8
Total =
>0
128
>660
14 (24)
-210
Total =
>0
14 (24)
>660
14 (24)
-140
Total =
>0
14 (24)
Introducing the S7-200 Micro PLC
Digital
Analog
Outputs
Inputs
6
32
38
6
8
6
8
6
0
6
0
10
64
74
10
64
74
10
64
8
82
16
96
8
120
16
96
112
10 (16)
28
10 (16)
28
10 (16)
0
10 (16)
0
Analog
Outputs
2
2
4
4
7
7
14
14
1-9

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