Siemens LOGO! OBA4 User Manual

The Siemens LOGO! OBA4 user manual provides installation, wiring, programming, safety and support information for the LOGO! programmable controller.

Brand: Siemens
Category: Automation control Equipment
Document type: User Manual
Language: Chinese
Pages: 216
File format: PDF
File size: 4.3 MB
Published: 03 October, 2026
Updated: 03 October, 2026
Model: LOGO! OBA4
MD5 checksum: 541150CD0BFDA82E17DDC0F2009D1474
PDF: Siemens LOGO! OBA4 User Manual PDF

About this 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.

What's inside

Introduction
Installation and Wiring
Programming
Functions
Configuration
Software
Applications
Appendix

Specifications

Number of function blocks	130
Display characters	4 x 12 characters

Frequently asked questions

Which software is used to program the LOGO! controller?

Programming is performed with LOGO! Soft Comfort, which runs on Windows, Linux and macOS.

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