ladder
2 posts
One Rung or Five? How to Count Networks in Ladder Logic
A network is one output, not one condition. The reset-latch example shows why the same behaviour can be one rung or two, and how timers and math count.
What Is a Function Block Diagram (FBD)? Ladder's Sibling, Explained
The IEC 61131-3 function block diagram explained: blocks, pins and wires flowing left to right, how it relates to ladder logic, and where each view wins.