Skip to content

JoeGuardian Automation

Industrial Automation, PLC, VFD, and Troubleshooting

  • Home
  • Blog
  • About

Advanced PLC Logic Structure: State Machines


May 21, 2026 JoeGuardian 0

Building Professional and Industrial Ladder Logic with State Machines, Subroutines, and Status Codes

In a basic PLC program, it is common to organize the logic using a simple structure:

Input BufferingMode SelectionRequestsPermissivesInterlocksCommandsFault …

Read More

Recent Post

  • 14. Sensor Wiring Best Practices for Industrial Automation
  • 13. Sensor Troubleshooting: When the PLC Does Not See the Input
  • 12. PNP, NPN, Sourcing, and Sinking Made Simple
  • 11. Industrial Sensors: The Eyes and Ears of the PLC
  • 10. Grounding and Bonding in Control Panels

Categories

  • Analog Signals
  • Automation Technician Roadmap
  • Cybersecurity
  • HMI \ SCADA Fundamentals
  • Industrial Instrumentation
  • Industrial Motor Control (Series 1 to 22)
  • Industrial Safety
  • Industrial Sensors ( Series 0 to 15)
  • Industrial Troubleshooting
  • Intrinsic Safety
  • Ladder Logic
  • Motion Control
  • PLC Basics
  • PLC Foundations
  • PLC Programming
  • PLC Troubleshooting
  • Variable Frequency Drives