ClassicLadder vs CODESYS

ClassicLadder — ClassicLadder is an open-source programmable logic controller software that allows users to create ladder logic diagrams for simulating and controlling automation hardware.

CODESYS — CODESYS is an industrial software platform used for developing and runtime systems for programmable logic controllers. It allows creating control applications based on the IEC 61131-3 standard.

ClassicLadder offers Ladder logic programming, Simulation of PLC programs, Communicates with real PLC hardware, Supports multiple PLC protocols, Graphical user interface, while CODESYS provides IEC 61131-3 compliant development environment, Supports all 5 IEC languages (LD, FBD, ST, IL, SFC), Built-in simulation and debugging, Runtime system for PLCs, OPC UA server and client.

ClassicLadder stands out for Free and open source, Cross-platform compatibility, Active community support; CODESYS is known for Compliant with industry standards, Supports multiple PLC brands, Graphical and text-based programming.

Feature	ClassicLadder	CODESYS
Overall Score	N/A	N/A
Primary Category	Development	Development
Pricing	Open Source	N/A

Product Overview

ClassicLadder

Description: ClassicLadder is an open-source programmable logic controller software that allows users to create ladder logic diagrams for simulating and controlling automation hardware.

CODESYS

Description: CODESYS is an industrial software platform used for developing and runtime systems for programmable logic controllers. It allows creating control applications based on the IEC 61131-3 standard.

Key Features Comparison

ClassicLadder Features

• Ladder logic programming
• Simulation of PLC programs
• Communicates with real PLC hardware
• Supports multiple PLC protocols
• Graphical user interface
• Code debugging tools
• Project documentation

CODESYS Features

• IEC 61131-3 compliant development environment
• Supports all 5 IEC languages (LD, FBD, ST, IL, SFC)
• Built-in simulation and debugging
• Runtime system for PLCs
• OPC UA server and client
• Integrated visualization with CODESYS Visualization Editor
• Source code management
• Alarm management
• Recipe management

Pros & Cons Analysis

ClassicLadder

Pros

• Free and open source
• Cross-platform compatibility
• Active community support
• Easy to learn and use
• Powerful simulation features
• Integrates with low-cost PLC hardware

Cons

• Limited hardware support
• No code library or template reuse
• Minimal programming language support
• Lacks some advanced PLC features

CODESYS

Pros

• Compliant with industry standards
• Supports multiple PLC brands
• Graphical and text-based programming
• No licensing fees for the CODESYS runtime
• Large user community

Cons

• Steep learning curve
• Limited technical support compared to vendor-specific software
• Lacks some advanced features of proprietary systems
• Requires target device license from hardware vendor

Pricing Comparison

ClassicLadder

• Open Source

CODESYS

• Not listed