The S7-1200 series is a compact, low‑cost programmable logic controller designed for a wide range of automation applications. This system manual is intended for engineers, programmers, installers and electricians who work with the S7‑1200 PLC.
The document covers product overview, installation steps, PLC concepts, device configuration, programming concepts, instruction writing, PROFINET and point‑to‑point communication, online and diagnostic tools, and a full set of technical specifications. This manual is written in Chinese.
The manual uses warning symbols, including a warning triangle, to indicate hazards that could cause personal injury.
It applies to STEP 7 Basic V10.5 and the S7‑1200 product series.
Technical support is available at http://www.siemens.com/automation/support-request.