This document is a manual for the S7-200 programmable controller system, which covers installation, PLC and programming concepts, instruction set, network communication, troubleshooting, program creation, and technical specifications.
This manual covers the full range of the S7-200 programmable controller family, including CPU models (221, 222, 224, 226, 226XM) and expansion modules. It explains how to install the hardware, configure networking, and develop programs using STEP 7‑Micro/WIN, with detailed sections on PLC concepts, instruction sets, and protocol libraries such as USS and Modbus.
Additional chapters provide safety guidelines, hardware troubleshooting, and a comprehensive technical specifications appendix that lists compliance standards, module specifications, and wiring recommendations. Contact information for Siemens technical support is also included.
| UL Listing | UL 508 Listed (Industrial Control Equipment) |
|---|---|
| CSA Certification | CSA 22.2 No. 142 |
| Network Cable Type | Shielded, twisted pair |
| Loop Resistance | ±115Ω/km |