Side-by-Side Routine Comparison
Upload two Allen-Bradley L5X routine exports and instantly see what changed. Logic Compare highlights added, removed, modified, and unchanged rungs with color-coded diffs, AI-powered change summaries, and exportable PDF reports. Normalize whitespace and case sensitivity for cleaner comparisons.
How It Works
Upload
Upload two L5X routine exports
Compare
Review color-coded side-by-side diff
Report
Export comparison report as PDF
Built for engineers like you
Reviewing changes a contractor made to a production routine before accepting the updated program
Upload original and modified L5X, instantly see every rung change with AI summary explaining the impact.
Comparing a running program against the last known-good backup after a production issue
Upload both versions, identify unauthorized or accidental changes that may have caused the problem.
Documenting changes between project milestones for a formal change management process
Generate PDF diff reports for each milestone comparison to attach to change control records.
No automated way to compare two versions of a PLC routine and see exactly what changed.
What PLCflow Does
- Upload two L5X routine exports
- Review color-coded side-by-side diff
- Export comparison report as PDF
Before & After
See the difference PLCflow makes on a real project.
- Open both routine versions in Studio 5000 side by side
- Scroll through hundreds of rungs comparing visually
- Manually note differences in a spreadsheet or email
- Easy to miss subtle changes buried in long routines
- Upload two L5X routine exports
- Instantly see all differences color-coded by type
- Read AI-generated summary of key changes
- Export PDF report for documentation or review
Engineered for Complexity
Purpose-built capabilities for industrial-scale projects.
Color-Coded Diff View
Added, removed, modified, and unchanged rungs are clearly highlighted with distinct colors for instant visual comprehension.
AI Change Summaries
AI-powered plain-English summaries explain what changed between versions and why it matters.
PDF Export
Export comparison reports in context mode (changes plus surrounding rungs) or full mode (entire routine) for documentation and review meetings.
Normalization Options
Ignore whitespace differences and case sensitivity to focus on the structural logic changes that actually matter.
Try Logic Compare with a 14-day Pro trial
No credit card required. Import your first file and generate production-ready output in under a minute.