PLC Sequencer Logic

Explore some of the essential sequencer instructions used in PLC ladder logic programming. Learn how to work with sequencer output, compare, and load instructions in this course.

Introduction

• Getting to know PLC sequencers
• What you should know before watching
• LogixPro PLC Simulator software

1. PLC Sequencer Output Instruction (SQO)

• Intro to sequencer instructions
• Sequencer output instruction (SQO)
• SQO parameters, part 1
• SQO parameters, part 2
• SQO operation example
• Example motor and pilot lights
• Ladder logic for motor and pilot lights
• Motor and pilot lights software demo
• Motor and pilot lights challenge
• Motor and pilot lights solution

2. SQO Examples

• Example dishwasher sequence
• Dishwasher sequence truth table
• Dishwasher sequence ladder logic
• Dishwasher software demo
• Dishwasher SQO challenge
• Dishwasher SQO solution
• Traffic lights example
• Traffic light sequence truth table
• Traffic light ladder logic
• Traffic light software demo
• Traffic light SQO challenge
• Traffic light SQO solution

3.PLC Sequencer Compare Instruction (SQC)

• Sequencer compare instruction (SQC)
• Instruction SQC parameter
• Example: Three-machine products
• Three-machine truth table
• Three-machine ladder logic
• Three-machine software demo
• SQC instruction challenge
• SQC instruction solution

4. PLC Sequencer Load Instruction (SQL)

• Sequencer load instruction (SQL)
• Instruction (SQL) parameter
• Illustrate operation of SQL
• Example of SQL
• SQL ladder logic
• SQL demo
• SQL instruction challenge
• SQL instruction solution

5. Final Challenge

• Final challenge introduction
• Car wash process
• Car wash truth table
• Car wash solution, part 1
• Car wash solution, part 2
• Sequencer things to consider

Conclusion

• Next steps