S7-200 Micro Plc - Siemens Simatic S7-200 System Manual

Preface
Purpose
The S7-200 series is a line of micro-programmable logic controllers (Micro PLCs) that can
control a variety of automation applications. Compact design, low cost, and a powerful
instruction set make the S7-200 controllers a perfect solution for controlling small
applications. The wide variety of CPU sizes and voltages, and the multiple programming
options available, give you the flexibility you need to solve your automation problems.
This manual provides information about installing and programming the S7-200 Micro PLCs,
including the following topics:
Installing and wiring the S7-200 CPU and expansion I/O modules, and installing the
STEP 7-Micro/WIN software
Designing and entering a program
Understanding the CPU operations, such as data types and addressing modes, the CPU
scan cycle, password-protection, and network communication
This manual also includes descriptions and examples for the programming instructions,
typical execution times for the instructions, and the data sheets for the S7-200 equipment.
Audience
This manual is designed for engineers, programmers, installers, and electricians who have a
general knowledge of programmable logic controllers.
Scope of the Manual
The information contained in this manual pertains in particular to the following products:
S7-200 CPU models: CPU 212 Release 1.01, CPU 214 Release 1.01,
CPU 215 Release 1.02, and CPU 216 Release 1.02
Version 2.1 of STEP 7-Micro/WIN programming software packages:
– STEP 7-Micro/WIN 16 for the 16-bit Windows 3.1x
– STEP 7-Micro/WIN 32 for the 32-bit Windows 95 and Windows NT
Agency Approvals
The SIMATIC S7-200 series meets the standards and regulations of the following agencies:
European Community (CE) Low Voltage Directive 73/23/EEC
European Community (CE) EMC Directive 89/336/EEC
Underwriters Laboratories, Inc.: UL 508 Listed (Industrial Control Equipment)
Canadian Standards Association: CSA C22.2 Number 142 Certified (Process Control
Equipment)
Factory Mutual Research: FM Class I, Division 2, Groups A, B, C, & D Hazardous
Locations, T4A
VDE 0160: Electronic equipment for use in electrical power installations
Refer to Appendix A for compliance information.
S7-200 Programmable Controller System Manual
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