Key facts
- Brand
- Siemens
- Model
- LOGO! OBA4
- Category
- Automation control Equipment
- Industry
- Industrial
- Documents
- 3
- Languages
- ZH
- Last added
- 2026-10-03
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Siemens LOGO! OBA4 User Manual
This manual covers the complete setup of the LOGO! OBA4 series, including hardware installation, wiring diagrams, and connection to power and I/O modules. Detailed instructions guide users through programming with LOGO! Soft Comfort, configuring function blocks, and using special functions such as timers, counters, and analog modules.
Safety guidelines, technical support contacts, and regulatory information are also included, ensuring safe operation and maintenance of the device in industrial environments. This manual is written in Chinese.
All Siemens LOGO! OBA4 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
Which software is used to program the LOGO! controller?
Programming is performed with LOGO! Soft Comfort, which runs on Windows, Linux and macOS.
Which operating systems can be used with LOGO! Soft Comfort?
The software runs on Windows, Linux and Mac OS X.
Which LOGO! series does this manual cover?
The manual is intended for the OBA4 series of LOGO! devices.
What safety symbols are used in the manual?
The manual uses Danger, Warning, and Caution symbols to indicate levels of risk.