Browse by topic

siemens s7-1200

4 articles tagged “siemens s7-1200”.

Flat vector diagram of an S7-1200 PLC connected to a TIA Portal laptop screen displaying a diagnostic buffer table with color-coded fault code entries
siemens s7-1200plc fault codestia portal

S7-1200 Diagnostic Buffer: Read Fault Codes Fast

Learn how to read the S7-1200 diagnostic buffer in TIA Portal, decode Siemens fault codes, and fix CPU stops in minutes with a field-tested workflow.

Aug 7, 2026 · 9 min read

Flat vector diagram of S7-1200 TON TOF and TONR IEC timer function blocks connected to a PLC CPU icon
siemens s7-1200tia portalplc timers

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

Flat vector diagram showing S7-1200 Global DB shared across multiple function blocks versus an Instance DB attached to a single function block in TIA Portal
siemens s7-1200tia portaldata blocks

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

Flat vector diagram of an S7-1200 PLC with SM 1231 analog input module wired to a 4-20 mA transmitter, showing raw count and scaled engineering unit values
siemens s7-1200analog inputtia portal

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

← All articles