Compatibility of A6-PN Series with Siemens PLC Technology Object V3.1

The A6-PN series supports PROFINET control and is fully compatible with Siemens 200/300/1200/1500 series PLCs. The Technology Object V3.1 in Siemens PLCs is a functional module integrated within the TIA Portal software, designed to simplify and standardize the configuration, programming, and diagnosis of motion control functions.

V3.1 refers to the version number of this Technology Object function. It is typically associated with specific versions of TIA Portal and PLC firmware. Newer versions generally offer more features, better performance, and a more user-friendly interface.

However, over time, V4.0, being a version with significantly enhanced performance, is undoubtedly more widely used today than the older V3.0/V3.1. Furthermore, the V4.0 version brings substantial improvements in core functions such as motion control, communication, and diagnostics. For new projects, choosing V4.0 is undoubtedly the better option. Therefore, when pairing a Technology Object with the A6-PN series, we recommend using the V4.0 version, as the older V3.1 may potentially cause compatibility issues.

Updated on: 30/10/2025