Attention
IronPLC implements many parts of the IEC 61131-3 standard and is working toward full Structured Text support. Key features still missing include arrays and structures. Try it out in the IronPLC Playground.
Ladder DiagramΒΆ
Ladder Diagram (LD) is a graphical programming language based on relay logic diagrams. It represents logic as a series of rungs connecting a left power rail to a right power rail, with contacts and coils that implement boolean logic.
Element |
Description |
Status |
|---|---|---|
Horizontal logic lines |
Not yet supported |
|
Normally open and normally closed contacts |
Not yet supported |
|
Output, set, and reset coils |
Not yet supported |
|
Parallel and series connections |
Not yet supported |
IEC 61131-3 |
Section 3.2 |
Support |
Not yet supported |