Blog

SIMATIC AX Tank Control Logic: From Empty Blocks to Tested Behavior

July 31, 2026

Build readable SIMATIC AX tank control logic with analog scaling, protected Manual and Automatic modes, pump priming, fault recovery, and AxUnit tests.

SIMATIC AX Tank Demo: Building the Software Skeleton

July 21, 2026

Build a compiling SIMATIC AX software skeleton with named UDTs, mapping functions, function block instances, global data, and a clear main-program scan order.

SIMATIC AX Tank Demo: GitHub, TIA Selection Tool, and Hardware Configuration

July 10, 2026

Follow a SIMATIC AX tank demo from GitHub and TIA Selection Tool to a compiling S7-1200 G2 hardware configuration and I/O mapping.

SIMATIC AX Tank Control Demo: Requirements and I/O Baseline

July 7, 2026

Article 19 of the Studying SIMATIC AX series. A practical tank-control demo starts with a process diagram, requirements review, operating modes, and a first I/O baseline.

Function Block Encapsulation in TIA Portal - Clear Interfaces and Private State

July 2, 2026

How to draw the boundary around a TIA Portal function block: visible Inputs, Outputs, InOut interfaces, private Static and Temp state, diagnostics, and safer changes.