LogixPro has shaped two decades of North American PLC coursework. It also looks like Windows XP, is locked to legacy SLC 500, and vendor sales are paused. Here is what to use instead if you are starting from scratch today.
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Opening honesty
A generation of technicians learned ladder logic on LogixPro. If your college uses it and your instructor grades LogixPro project files directly, keep using LogixPro — you cannot fight the assignment. This page is for everyone else: the self-taught learner, the career-changer, the student whose school has moved on, and anyone who wants to get past SLC 500 into modern ControlLogix-style code.
Background
LogixPro 500 is a commercial Windows-based PLC simulator from TheLearningPit, distributed in North America primarily through Canadu. It simulates an Allen-Bradley SLC 500 environment with multiple built-in scenario panels — traffic light, silo, batch mixer, I/O simulator, door — and a ladder editor that mirrors legacy RSLogix 500 addressing (I:1/0, O:2/0, B3:0/0).
It has been widely used in US and Canadian technical colleges since roughly 2000. Individual licences sold through educational resellers for around $66.60; institutional site licences are separate. Development has slowed in recent years and new-sales availability is currently inconsistent while a new release is pending.
Strengths
Traffic light, silo, batch mixer, door — the same scenario library has been refined by instructors over 20 years. The assignments are proven.
If your exam requires SLC 500 addressing (I:1/0, O:2/0, B3:0/0), LogixPro gets the syntax exactly right. That precision matters for legacy-focused curricula.
Instructors know it. College IT knows how to deploy it. Existing site licences still work. Swapping it out is not a no-brainer mid-semester.
Where it falls short
The interface looks like Windows XP. Learners accustomed to modern web tooling find it hostile.
No ControlLogix, no CompactLogix, no Studio 5000 tag-based workflow, no Siemens, no IEC 61131-3. The job market has moved on; LogixPro has not.
Mac, Linux, and Chromebook users are shut out. Many community colleges have moved away from Windows labs; LogixPro has not followed.
TheLearningPit / Canadu has paused new LogixPro sales pending a new release. Individual learners trying to buy it right now often cannot.
Generic SLC 500 only. No practice for the AB ControlLogix tag model or Siemens #Tag conventions that actually show up in today's job interviews.
Built for instructor-graded projects, not self-paced interview prep.
Feature comparison
| Feature | LogixPro | Ours |
|---|---|---|
| Platform | Windows | Any browser (Mac, Linux, Chromebook, Windows) |
| Price | ~$66.60 per licence (where available) | Free tier + Pro monthly |
| Availability | Vendor sales paused | Always available |
| Dialects | SLC 500 only | IEC, AB ControlLogix-style, Siemens |
| Languages | Ladder | Ladder, ST, FBD, SFC |
| Scenario count | ~6 built-in panels | 40 scored scenarios |
| UI era | Windows XP-style | Modern responsive web |
| Auto-grading | Instructor-dependent | Built-in, scenario-specific test cases |
| Interview timer | No | Yes (Pro) |
| PDF portfolio export | No | Yes (Pro) |
Familiar scenarios
Third options
The exact LogixPro canon scenario — auto-graded, free, in your browser.
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