Skip to content

JoeGuardian Automation

Industrial Automation, PLC, VFD, and Troubleshooting

  • Home
  • Blog
  • About

3. How the PLC Scan Cycle Works


May 19, 2026 JoeGuardian 0

How the PLC Scan Cycle Works

The PLC scan cycle is one of the most important fundamentals to understand in industrial automation.

A PLC does not normally read an input, solve one …

Read More

2. Main Parts of a PLC System


May 11, 2026 JoeGuardian 0

A PLC system is made of several hardware and software components that work together to control an industrial machine or process.

At a basic level, a PLC system receives information from …

Read More

Recent Post

  • 19. PLC Forcing: When to Use It and When Not To
  • 18. Program Control Instructions: JSR, MCR, JMP, and Fault Routine
  • 17. High-Speed Counters and Encoders
  • 16. PLC Counters: CTU, CTD, and One-Shots
  • 2. FANUC Teach Pendant Navigation: The Screens Every Technician Must Know

Categories

  • Analog Signals
  • Automation Technician Roadmap (1 of 41)
  • Cybersecurity
  • HMI \ SCADA Fundamentals
  • Industrial Electricity
  • Industrial Instrumentation
  • Industrial Motor Control (1 of 22)
  • Industrial Pneumatics
  • Industrial Robotics
  • Industrial Safety
  • Industrial Sensors (1 of 15)
  • Industrial Troubleshooting (1 of 13)
  • Intrinsic Safety
  • Ladder Logic
  • Motion Control
  • PLC Basics
  • PLC Foundations
  • PLC Programming
  • PLC Troubleshooting
  • Variable Frequency Drives (1 of 19)