Concept V2.5

Lesson 16 Objectives:After completing this lesson, the learner will be

able to: Program, download and test logic using the LD

Editor. Demonstrate an understanding of LD Logic.

Concept V2.5

Creating a Ladder Diagram Section

Concept V2.5

Ladder Diagram Editor Example

Concept V2.5

Ladder Diagram Programming Objects

Concept V2.5

Connecting Objects

All contacts can be connected in sequence (AND-BOOL)

All contacts can be connected in parallel (OR-BOOL)

All contacts can be connected in both, parallel and sequence

The network must be connected to the power rail

The power rail refers to the data type BOOL

FFB's can be inserted at any position of the network

Coils have to be connected to contacts or FFB-outputs

The right and left side of a coil always has the same value!

At coils with negation or transition the value will be stored in the associated variable

Vertical short must be used for parallel connection

Concept V2.5

The Toolbar

Concept V2.5