Phase 19: PLC Fundamentals
This phase contains 5 sections and 42 checklist topics. Use the interactive phase page to track your own learning progress.
ONLY START PLC AFTER THE PREVIOUS PHASES ARE COMFORTABLE.
- What is PLC?
- Why PLC?
- Relay logic vs PLC
- PLC applications
- Advantages
- Limitations
Hardware
- CPU
- Power supply
- DI
- DO
- AI
- AO
- Communication module
- Expansion module
- And 3 more checklist topics
PLC operation
- Scan cycle
- Input scan
- Program execution
- Output update
- Communication
- Diagnostics
- Scan time
Memory
- Bit
- Byte
- Word
- Integer
- Real/float
- Boolean
- Data type
- Tag
- And 2 more checklist topics
PLC selection
- I/O quantity
- Digital/analog requirements
- CPU memory
- Scan performance
- Communication
- Expansion
- Environment
- Redundancy need