The product 6ES7870-1AB01-0YA1 from Siemens is a specialized software license for automation technology, designed for use with the SIMATIC S7 system. This single license allows for the installation of a MODBUS Slave V3.1, optimized for communication in industrial automation applications. The software is available in multiple languages, supporting German, English, and French. It is compatible with STEP 7 from version 4.02 and requires specific hardware dongles to ensure functionality. The license is intended for use in industrial automation and provides a reliable solution for integrating Modbus protocols into existing systems.

• Supports MODBUS protocol with RTU message format
• Compatible with STEP 7 from version 4.02
• Multilingual user interface (de, en, fr)
• Requires specific hardware dongles for use.