Siemens Simatic S7-200 Programmable Controller

Siemens Simatic S7-200

The S7-200 series of micro-programmable logic controllers (Micro PLCs) can control a wide variety of devices to support your automation needs.
The S7-200 monitors inputs and changes outputs as controlled by the user program, which can include Boolean logic, counting, timing, complex math operations, and communications with other intelligent devices. The compact design, flexible configuration, and powerful instruction set combine to make the S7-200 a perfect solution for controlling a wide variety of applications.

The new features of the SIMATIC S7-200 include two new analog expansion modules.

S7-200 CPUImage result for S7-200 Expansion Modules
The S7-200 CPU combines a microprocessor, an integrated power supply, input circuits, and output circuits in a compact housing to create a powerful Micro PLC.

After you have downloaded your program, the S7-200 contains the logic required to monitor and control the input and output devices in your application.Siemens provides different S7-200 CPU models with a diversity of features and capabilities that help you create effective solutions for your varied applications.

S7-200 Expansion ModulesImage result for S7-200 CPU
To better solve your application requirements, the S7-200 family includes a wide variety of expansion modules. You can use these expansion modules to add additional functionality to the S7-200 CPU. Table 1-2 provides a list of the expansion modules that are currently available. For detailed information about a specific module, see Appendix A.

Comparison of the S7-200 CPU Models

Feature CPU 221 CPU 222 CPU 224 CPU 224XP
CPU 224XPsi
CPU 226
Physical size (mm) 90 x 80 x 62 90 x 80 x 62 120.5 x 80 x 62 140 x 80 x 62 190 x 80 x 62
Program memory:
with run mode edit
without run mode edit
4096 bytes
4096 bytes
4096 bytes
4096 bytes
8192 bytes
12288 bytes
12288 bytes
16384 bytes
16384 bytes
24576 bytes
Data memory 2048 bytes 2048 bytes 8192 bytes 10240 bytes 10240 bytes
Memory backup 50 hours
typical
50 hours
typical
100 hours
typical
100 hours
typical
100 hours
typical
Local on-board I/O
Digital
Analog
6 In/4 Out
8 In/6 Out
14 In/10 Out
14 In/10 Out
2 In/1 Out
24 In/16 Out
Expansion modules 0 modules 2 modules1 7 modules1 7 modules1 7 modules1
High-speed counters
Single phase
Two phase
4 at 30 kHz
2 at 20 kHz
4 at 30 kHz
2 at 20 kHz
6 at 30 kHz
4 at 20 kHz
4 at 30 kHz
2 at 200 kHz
3 at 20 kHz
1 at 100 kHz
6 at 30 kHz
4 at 20 kHz
Pulse outputs (DC) 2 at 20 kHz 2 at 20 kHz 2 at 20 kHz 2 at 100 kHz 2 at 20 kHz
Analog adjustments 1 1 2 2 2
Real-time clock Cartridge Cartridge Built-in Built-in Built-in
Communications ports 1 RS–485 1 RS–485 1 RS–485 2 RS–485 2 RS–485

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