OpenPLC vs RSLogix 500/5000

Comprehensive comparison of two leading PLC programming platforms

OpenPLC Project (Open Source)Rockwell Automation / Allen-Bradley (Legacy)Updated 2025

OpenPLC

OpenPLC Project (Open Source)

55
Overall Score
Price:free
Learning:intermediate
Adoption:10%

Completely FREE - no costs ever

RSLogix 500/5000

Rockwell Automation / Allen-Bradley (Legacy)

76
Overall Score
Price:$$
Learning:intermediate
Adoption:75%

Massive installed base - many jobs still require it

Overall Winner

RSLogix 500/5000 leads with an overall score of 76/100

RSLogix 500/5000 is the stronger overall choice with better community support. However, OpenPLC may be preferable if you prioritize pricing or if you're already committed to the OpenPLC Project (Open Source) ecosystem.

Score Breakdown

CategoryOpenPLCRSLogix 500/5000
Overall
55
76
Pricing
100
70
Ease of Use
50
60
Features
63
74
Industry Adoption
18
85
Community Support
94
100
Career Value
23
74

💰Pricing Comparison

OpenPLC (free) is significantly more affordable than RSLogix 500/5000 ($$). OpenPLC costs between $0 and $0, while RSLogix 500/5000 ranges from $1,000 to $10,000.

📚Learning Curve

RSLogix 500/5000 (rated 5/10) is easier to learn than OpenPLC (rated 6/10). RSLogix 500/5000 typically takes 2-4 months to learn, while OpenPLC requires 3-6 months. This makes RSLogix 500/5000 better for beginners.

⚙️Features & Capabilities

OpenPLC offers 11 key features. RSLogix 500/5000 provides 10 key features with safety programming, motion control. OpenPLC offers a comprehensive feature set for industrial automation.

🏭Industry Adoption

RSLogix 500/5000 has 75% market adoption compared to OpenPLC's 10%. RSLogix 500/5000 dominates in North America, Latin America, while OpenPLC is strongest in Global (primarily education and research). RSLogix 500/5000's higher adoption means more job opportunities and community resources.

🔌Hardware Compatibility

OpenPLC is designed specifically for Generic/Open Hardware hardware, while RSLogix 500/5000 works with Allen-Bradley, Rockwell Automation PLCs. Both are vendor-specific solutions optimized for their respective hardware ecosystems.

💼Career Prospects

RSLogix 500/5000 offers stronger career prospects with 75% market adoption and official certification programs. OpenPLC has 10% adoption and is growing in market presence. For maximum employability, RSLogix 500/5000 expertise is more in-demand.

OpenPLC Overview

Key Strengths

  • Completely FREE - no costs ever
  • Open source - fully customizable
  • Runs on inexpensive hardware (Raspberry Pi)
  • Perfect for learning without financial investment

Limitations

  • Not suitable for commercial/industrial use
  • No official support (community only)
  • Limited features compared to commercial PLCs

Best For

Students learning PLC programmingHobbyists and DIY automationHome automation projects

RSLogix 500/5000 Overview

Key Strengths

  • Massive installed base - many jobs still require it
  • Well-understood and documented
  • Stable, mature platform
  • Simpler interface than Studio 5000 for basic tasks

Limitations

  • No longer actively developed (legacy software)
  • Being phased out in favor of Studio 5000
  • Won't work with newer PLC hardware

Best For

Maintaining existing MicroLogix/SLC 500 systemsCompanies with large legacy installationsLearning fundamentals before Studio 5000

Recommendations

For Beginners

Both are suitable

For Professionals

RSLogix 500/5000

Budget-Constrained

OpenPLC

Enterprise Use

RSLogix 500/5000

Frequently Asked Questions

Which is better: OpenPLC or RSLogix 500/5000?

RSLogix 500/5000 is the stronger overall choice with better community support. However, OpenPLC may be preferable if you prioritize pricing or if you're already committed to the OpenPLC Project (Open Source) ecosystem.

What is the price difference between OpenPLC and RSLogix 500/5000?

OpenPLC (free) is significantly more affordable than RSLogix 500/5000 ($$). OpenPLC costs between $0 and $0, while RSLogix 500/5000 ranges from $1,000 to $10,000.

Which is easier to learn: OpenPLC or RSLogix 500/5000?

RSLogix 500/5000 (rated 5/10) is easier to learn than OpenPLC (rated 6/10). RSLogix 500/5000 typically takes 2-4 months to learn, while OpenPLC requires 3-6 months. This makes RSLogix 500/5000 better for beginners.

Which has better career prospects?

RSLogix 500/5000 offers stronger career prospects with 75% market adoption and official certification programs. OpenPLC has 10% adoption and is growing in market presence. For maximum employability, RSLogix 500/5000 expertise is more in-demand.

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