PLC & DCS & SCADAJuniorcommon

IEC 61131-3 Ladder Diagram (LD) Programming

Updated 18 May 2026

Contents & prerequisites

Prerequisites

PLC vs. DCS vs. SCADA: Architecture Comparison

Unlocks

DCS Architecture: Controllers, I/O, Historian, HMI

Article in preparation

IEC 61131-3 Ladder Diagram (LD) Programming

Learning

PreviousIEC 61131-3 Function Block Diagram (FBD)NextIEC 61131-3 Sequential Function Chart (SFC)

Evidence

Public projects engineers linked to IEC 61131-3 Ladder Diagram (LD) Programming.

Add evidence

No engineer has linked a project to this topic yet. Built something that proves it? Add the project and tag it with plc-dcs-iec-61131-3-ladder-diagram-ld-programming — it then shows here and on your public profile.