A family of programming languages for programmable logic controllers (PLCs). Of the three graphical and two textual languages, ladder logic (see example below) was the first language and widely used.

Automation Control Platform (ACP) supports Ladder Diagram, Function Block Diagram, Sequential Function Chart, Structured Text and Instruction List plus Flow Chart. December 18, 2008 - Open Systems ...

The PLCopen Motion Control Specification harmonizes the access of motion-control functionality across platforms, explains Eelco van der Wal, managing director of PLCopen (www.plcopen.org), Zaltbommel, ...

Abstract: In the domain of Programmable Logic Controller (PLC) programming, converting a Ladder Diagram (LD) into a Sequential Function Chart (SFC) is an inherently challenging problem, primarily due ...

Programmable Logic Controller (PLC) - A PLC with support for ladder logic programming. PLC Programming Software - Software like RSLogix, TIA Portal, or CX-Programmer. Computer System - To run the PLC ...

Abstract: Sequential function chart formalism is one of the 5 languages for PLC (programmable logic controller) programming described in the IEC 61161-3 standard. Many PLC vendors integrate their own ...