Now that you've been introduced to the more common input and output devices that make up a ladder diagram, next time we'll explore in more depth how 2- and 3- wire control circuits tie the control ...

The IDE itself supports programming ladder diagrams, functional block diagrams, and other programming systems covered under the IEC 61131-3 standard.

Ladder logic still has the edge in visual troubleshooting, but the shear efficiency and interoperability of higher-level languages will be enticing.

In the case of ladder logic, logic functions are implemented by developing a ladder diagram. Named for its resemblance to a ladder, the diagram consists of two vertical rails connected by several ...