Ladder diagram Flashcards
1
Q
What is a ladder diagram?
What do they show?
How are they arranged?
A
Type of electrical schematic representing circuit clearly.
They only show control devices (no power devices)
Arranged in orderly rows like rungs on a ladder, with a positive (power) and negative side.
2
Q
What are conductors?
A
Electrical wires that connect the control circuit
3
Q
What are inputs?
A
Performers of logic functions of outputs
4
Q
How should you label the ladder diagram?
A
All with function abbreviation and numbers (rungs as well)
5
Q
What are rules?
A
Only one load per rung (parallel)
When a pushbutton has more than one contact, a dashed line is drawn to show connection
