tia portal

S7-1200 Timers in TIA Portal: TON, TOF and TONR

Learn how TON, TOF and TONR timers work on the S7-1200 in TIA Portal, including IEC timer data types, instance DBs, preset syntax and real wiring gotchas.

Jul 18, 2026 · 9 min read

S7-1200 Data Blocks: Global vs Instance DB Explained

Global and Instance DBs in the S7-1200 behave very differently. Learn which type to use, how memory is allocated, and how to avoid the classic commissioning mistakes.

Jul 18, 2026 · 9 min read

S7-1200 Analog Inputs: Wiring and TIA Portal Setup

Learn how to wire, configure and scale analog inputs on the Siemens S7-1200 in TIA Portal. Real gotchas, address mapping and working ST code included.

Jul 18, 2026 · 8 min read

PROFINET IO: Controller, Device and AR Explained

PROFINET IO splits the network into Controllers, Devices and Supervisors. Learn how AR and CR objects work, cycle times, and how to configure them in TIA Portal.

Jul 10, 2026 · 9 min read

Structured Text in TIA Portal: A Practical Guide

TIA Portal's SCL editor lets you write structured text on S7-1200 and S7-1500 PLCs. Here's the syntax, real examples, and when to use it instead of ladder.

Jul 9, 2026 · 7 min read

S7-1200 First Program in TIA Portal: Step by Step

Build your first Siemens S7-1200 program in TIA Portal from scratch. CPU selection, hardware config, tag table, ladder rung, and online download all covered.

Jul 8, 2026 · 8 min read

TIA Portal Data Blocks: DB Types and When to Use Each

TIA Portal data blocks come in four distinct types. Knowing which to use and how optimized access changes everything will save you hours of debugging.

Jul 8, 2026 · 8 min read

HMI Programming in TIA Portal: A Practical Guide

Learn HMI programming in TIA Portal: how to build screens, connect PLC tags, configure alarms and wire up navigation buttons that actually work in production.

Jun 28, 2026 · 9 min read