- FESTO-L2-PLC2 is Festo's PLC Technology II (Allen Bradley or Siemens) credential, administered by NC3 and now called Applied PLC, Level 2.
- Training covers 6 units and 5 labs, and builds directly on PLC fundamentals.
- Certification requires both a written assessment and a practical assessment at a verified facility with an independent proctor.
- Students need at least 70% plus completed hands-on labs; the student certification charge is USD 0 under NC3 benefits.
What FESTO-L2-PLC2 Actually Is
FESTO-L2-PLC2 refers to Level 2: Advanced Mechatronics PLC Technology II: Allen Bradley or Siemens, an industry certification governed by Festo and administered through the National Coalition of Certification Centers (NC3). It is a skills credential for people who already understand basic programmable logic controller concepts and need to prove they can program, modify, document, network and troubleshoot a real PLC-controlled system on either an Allen-Bradley or a Siemens platform.
The word "Level 2" matters. The credential sits above the PLC fundamentals course and builds directly on it. It is also not the separate Level 3 Advanced PLC credential, so candidates should not assume the topics, depth or hardware expectations of that higher program apply here. If you are still deciding whether you are ready, the FESTO-L2-PLC2 requirements guide walks through prerequisites in more detail.
Unlike a purely written certification, this one is closely tied to a training pathway. The curriculum contains 6 units and 5 labs, and the labs are not optional extras: completing all hands-on labs is a condition of certification for students. That design reflects what employers actually want from someone who touches a controller on a production floor.
The Name Problem: Legacy Label vs. Current Title
If you have searched for this credential and found confusing or inconsistent naming, you are not alone. The identifier "FESTO-L2-PLC2", the legacy credential name and the domain you may have found it through are all retained for continuity. The current issuer, however, describes the same PLC Technology II (Allen Bradley or Siemens) scope as Applied PLC, Level 2.
| Label | What It Refers To |
|---|---|
| FESTO-L2-PLC2 | Identifier used on this site for the Level 2 PLC Technology II credential |
| Level 2: Advanced Mechatronics PLC Technology II | Legacy credential name for the same scope |
| Applied PLC, Level 2 | Current issuer wording for the PLC Technology II (Allen Bradley or Siemens) scope |
| Advanced PLC, Level 3 | A separate credential; not the same as FESTO-L2-PLC2 |
The practical takeaway: when you check Festo's or NC3's current materials, look for "Applied PLC" and "PLC Technology II" rather than expecting the older "Advanced Mechatronics" phrasing. For more on the terminology, see our explainers on what FESTO-L2-PLC2 means and what it stands for.
The Seven Preparation Topics
The issuer's scope document lists seven preparation topics. These are curriculum headings, not a weighted exam blueprint, and no official domain weighting or exhaustive exam-coverage claim has been verified. Treat them as the map of what you must be able to do, and give each one real attention. For a deeper walkthrough, read the complete guide to all 7 content areas.
Domain 1: Ladder Logic Programming
The foundation. You should be fluent in building and reading rung-based logic for real machine behavior.
- Contacts, coils and the logic of seal-in and interlock circuits
- Timers and counters used to sequence machine actions
- Reading existing logic and predicting how it will execute
Domain 2: Basic PLC Operations and Programming Functions
Understanding how the controller itself behaves, not just what you draw on screen.
- The scan cycle and how inputs, logic and outputs are processed
- Addressing and tag structure on your chosen platform
- Core instruction types beyond simple relay logic, such as comparison and math functions
Domain 3: Uploading and Downloading PLC Programs
Moving programs between a computer and a controller safely and correctly.
- Establishing communications between programming software and the processor
- Understanding the difference between uploading and downloading, and the consequences of choosing wrongly
- Backing up programs before changes are made
Domain 4: Program Modifications and Testing
Changing working logic without breaking the machine.
- Online versus offline editing and the risks of each
- Verifying changes against expected machine behavior
- Documenting what was changed and why
Domain 5: Human Machine Interface (HMI) Design
Building the operator-facing layer that connects to PLC data.
- Linking screen objects to controller tags
- Designing clear indicators, buttons and status displays
- Considering what an operator needs to see during normal and fault conditions
Domain 6: Basic Networking Concepts for Industrial Systems
How controllers, panels and devices talk to each other.
- Industrial network fundamentals and device addressing
- How communication settings affect whether devices can connect
- Recognizing the difference between a program fault and a communication fault
Domain 7: System Troubleshooting and Fault Diagnosis
The skill employers prize most, and the one that ties everything together.
- Systematic isolation of faults across inputs, logic, outputs and communications
- Using online monitoring to watch logic state in real time
- Distinguishing wiring, device, program and network problems
How the Assessment Works
NC3's certification process requires both written and practical competency. The two parts are delivered differently:
- Written assessment: Questions are delivered through NC3Certs.com. They are randomized and automatically graded, so you should not expect two candidates to see an identical sequence.
- Practical assessment: Performed in a verified facility or lab, using required lab equipment. An independent proctor checks your identity and remains present throughout.
What is not publicly verified is just as important. No public question count, written-exam time limit, practical-assessment duration or pass rate has been confirmed. You may see an older Festo Level 1/2 PLC sheet that mentions 16 hours, but that figure is an estimated course duration, not the timing of either assessment. If a third-party site confidently quotes exam length or a pass percentage, treat it skeptically. Our pass-rate article explains what can and cannot be said from available data, and the difficulty guide covers how to judge your readiness without invented numbers.
Key Takeaway
Because the practical component happens in a proctored lab on required equipment, hands-on repetition matters more than memorization. Be able to program, download, modify, monitor and troubleshoot on the actual platform your lab uses.
Eligibility, Training and Cost
Under the NC3 End User License Agreement, students must meet several conditions to certify:
- Receive training from an actively certified instructor
- Use the required lab equipment
- Complete all hands-on labs
- Achieve at least 70%
Instructors are held to a higher bar: they need 80% and must recertify every three years. Students, by contrast, do not need to recertify. You may see conflicting education or continuing-education renewal flags on third-party occupational databases such as O*NET; current NC3 student rules govern over those.
What does it cost?
Under NC3 Participation Benefits, the student certification charge is USD 0. That does not mean the whole pathway is free. Tuition, institutional access and instructor-training charges are separate and depend on the school or training center. The full picture is broken down in the certification cost guide, and the passing score article expands on the 70% threshold.
| Item | Student | Instructor |
|---|---|---|
| Minimum score | At least 70% | 80% |
| Recertification | Not required | Every three years |
| Certification charge | USD 0 (NC3 Participation Benefits) | Instructor-training charges are separate |
| Labs | All hands-on labs required | Must be actively certified to teach |
Retesting Rules
NC3 limits retesting to three administrations within a year. The policy also specifies a 100-day wait before additional attempts may be awarded. The public wording does not define the interval between each permitted attempt, so if you fail an attempt, ask your instructor or testing center how soon you may retest rather than assuming a specific waiting period.
Who Values It and What the Wage Data Means
The credential targets the kind of work done by electro-mechanical and mechatronics technicians and technologists: maintaining, programming and troubleshooting automated equipment. Typical employers include manufacturers, packaging and processing plants, distribution centers with automated material handling, and contract maintenance firms. Many candidates come through community colleges, technical schools and apprenticeship-style programs that already use Festo training equipment.
On compensation, the BLS Occupational Outlook Handbook reports a USD 73,900 May 2025 median annual wage for electro-mechanical and mechatronics technologists and technicians. That figure is an occupational benchmark. It does not measure a salary premium from holding this specific Festo credential, and nobody should claim it does. The credential's value is better framed as evidence of verified, hands-on PLC competency that can make you a more credible candidate. See the salary guide, the ROI analysis and the jobs overview for how to weigh this in practice.
For comparison only: PMMI offers a separate PLCs 2 certification test with its own syllabus. That syllabus does not define Festo PLC II coverage, so do not use one to study for the other.
A Domain-Ordered Preparation Sequence
Rather than a generic schedule, order your preparation by dependency. Each domain below makes the next one easier, and troubleshooting comes last because it draws on everything else. Adjust the pace to your course calendar.
Ladder Logic and PLC Operations (Domains 1-2)
- Rebuild seal-in, interlock, timer and counter circuits from memory
- Trace the scan cycle on paper until you can predict output behavior
Upload/Download and Modifications (Domains 3-4)
- Practice backup, download and online-edit routines on the lab hardware
- Make a change, test it, and write a short change record
HMI and Networking (Domains 5-6)
- Build a simple screen tied to controller tags
- Verify communication settings and practice isolating a connection problem
Troubleshooting and Full Review (Domain 7)
- Work through faults across inputs, logic, outputs and communications
- Rehearse a complete practical run, then take timed practice questions
For a fuller plan, use the first-attempt study guide and keep the one-page cheat sheet handy for last-minute review. When you want exam-style repetition on the written side, work through the questions on the main practice test site, and use its results to decide which domain deserves extra lab time.
Frequently Asked Questions
It identifies Level 2: Advanced Mechatronics PLC Technology II: Allen Bradley or Siemens, a Festo credential administered by NC3. The current issuer calls the same scope Applied PLC, Level 2. See what it stands for for more.
No. FESTO-L2-PLC2 is the Level 2 PLC Technology II scope. The Level 3 Advanced PLC credential is separate and should not be confused with it.
Yes. NC3 requires both written and practical competency. The practical assessment takes place in a verified facility or lab with an independent proctor who verifies identity and stays throughout.
The student certification charge is USD 0 under NC3 Participation Benefits. Tuition, institutional access and instructor-training charges are separate, so your total cost depends on your school or training center.
No public question count, written-exam time limit, practical duration or pass rate has been verified. The confirmed requirement is that students need at least 70% along with completed hands-on labs. Read more about the certification for context.