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Arduino-Based PLC Development Setup - Coggle Diagram
Arduino-Based PLC Development Setup
Industrial Control Basics
Concept of Control Systems
Automated decision-making systems
Replace manual operations
Improve efficiency and accuracy
Role of PLC
Monitors input signals
Executes control logic
Drives output devices
Real-World Usage
Assembly lines
Smart factories
Process industries
Hardware Platform Selection
Microcontroller Board
Arduino UNO as main controller
Based on ATmega328P
Handles logic execution
Power Requirements
External DC supply (7–12V)
USB for programming
Stable voltage operation
Alternative Boards
Compatible Arduino clones
Custom development boards
Cost vs performance considerations
Communication Interfaces
Wired Communication
Ethernet module for networking
Stable and reliable connection
Suitable for industrial setups
Wireless Communication
WiFi module for remote access
Supports IoT applications
Reduces wiring complexity
Data Exchange
Device-to-device communication
Remote monitoring systems
Cloud-based integration
Modular Interface System
Expansion Shield
Grove Base Shield integration
Simplifies connections
Supports multiple modules
Sensor Inputs
Push button for manual control
Temperature sensor for environment
Infrared sensor for detection
Output Modules
LED indicators
Relay switches
Audio alert systems
Switching and Load Control
Relay Operation
Electrical switching mechanism
Controls high-power circuits
Provides isolation protection
Multi-Relay Systems
Multiple outputs supported
Independent channel control
Suitable for automation
Use Cases
Motor switching
Lighting automation
Industrial equipment control
Physical Installation Setup
Enclosure System
Protective housing for PLC
Organizes wiring
Prevents damage
Mounting Method
DIN rail installation
Standard industrial practice
Easy maintenance
Internal Components
Terminal connectors
PCB board
Power distribution
Industrial Communication Protocols
Communication Standards
RS232 and RS485 interfaces
Long-distance communication
Noise-resistant transmission
Modbus Integration
Industrial protocol support
Device communication standard
Multi-device networking
Sensor Connectivity
Industrial sensors integration
Real-time data acquisition
Monitoring applications
Software Environment
Development Tools
Arduino IDE for coding
Program upload capability
Serial monitoring
PLC Libraries
plcLib for control logic
Simplifies PLC programming
Enables ladder-like behavior
Supporting Software
Network libraries
Communication drivers
Firmware updates
System Workflow
Input Stage
Collects data from sensors
Converts signals to digital
Stores in memory
Processing Stage
Executes programmed logic
Evaluates conditions
Determines actions
Output Stage
Sends control signals
Activates devices
Completes operation cycle