USER MANUAL APS 6.0

Ladder Logic Program Basics
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4 Ladder Logic Program Basics
This chapter discusses the basic operation of ladder logic programs. T opics include:
• understanding ladder logic programs
• types of ladder logic connections
• application example – 4-rung ladder logic program
For a more detailed introduction to ladder logic programming, refer to the APS
Quick Start for New Users . This guide is intended for the first time user.