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A PLC trainer kit is one of the best ways to learn automation practically.

You can watch PLC tutorials for hours, but real learning starts when you actually wire inputs, connect outputs, test sensors, make mistakes, and troubleshoot your own logic.

A good PLC trainer kit can help you learn:

PLC inputs
PLC outputs
Ladder logic
Timers and counters
HMI basics
Sensor wiring
Relay outputs
Analog signals
Ethernet communication
Small automation projects
Troubleshooting methods

If you want to learn PLC programming seriously, I think a small training kit is much better than only using simulation software.

Simulation is useful, but real wiring teaches you things that software alone cannot.

Below are 5 PLC trainer kits I would consider for beginners, students, electricians, maintenance technicians, and automation learners.

Important Note Before Buying

Before buying a PLC trainer kit, check the software first.

Some PLCs use free software.
Some use paid software.
Some kits include software.
Some kits require you to download it separately.
Some older PLCs may only work with older Windows versions.

This matters a lot.

A cheap PLC kit is not always cheap if the software is difficult to get or expensive.

Also check:

Power supply included or not
Programming cable included or not
Input and output type
Relay or transistor outputs
Analog input/output included or not
HMI included or not
Ethernet port included or not
Training lessons included or not

For beginners, I would rather choose a kit that is easy to start with, even if it is not the most industrially advanced option.

1. Arduino PLC Starter Kit AKX00051 — Best Modern Beginner PLC Kit

Best for: beginners, makers, students, IoT automation learning
Affiliate link: [Arduino PLC Starter Kit [AKX00051]]

The Arduino PLC Starter Kit AKX00051 is a modern learning kit based around the Arduino Opta PLC.

The Amazon listing describes it as an all-in-one educational solution for industrial automation, with the Arduino Opta PLC, digital and analog I/O support, sensors, actuators, relays, communication modules, Wi-Fi, Bluetooth, cloud integration, and over 20 hours of online learning content.

Why I recommend it

I like this one for beginners because it feels more modern than many old PLC training kits.

It is useful for:

PLC learning
Basic I/O projects
IoT automation
Cloud monitoring
Sensor projects
Small smart factory examples
Students and makers
Structured training content

The biggest advantage is that it is designed as a learning kit, not just a loose PLC with wires.

If someone is starting from zero, guided learning content is very valuable.

Main weakness

It is Arduino-based, so it may not match what you see in every factory.

If your goal is specifically Siemens TIA Portal or Allen-Bradley ladder logic, this may not be the exact system you want.

But for understanding automation concepts, it is a very interesting starter option.

2. Siemens S7-1200 PLC Trainer Kit — Best for TIA Portal Learning

Best for: Siemens PLC learning, TIA Portal practice, industrial automation students
Affiliate link: [Siemens S7 1200 PLC Trainer]

The Siemens S7-1200 PLC Trainer Kit is one of the most relevant options if you want to learn real industrial PLC programming.

One Amazon listing describes this trainer as using a Siemens S7-1200 CPU 1212C with Ethernet, onboard I/O, analog input, analog output, discrete inputs, discrete outputs, power switch, Ethernet/PROFINET programming cable, and TIA Portal Basic software.

Why I recommend it

I recommend this one if your goal is to learn Siemens.

Siemens PLCs are very common in industrial automation, and TIA Portal is a major platform.

This type of trainer is useful for:

TIA Portal learning
Siemens ladder logic
PLC input/output practice
PROFINET / Ethernet basics
Analog signal practice
Small automation projects
Maintenance technician training
Industrial automation learning

If your future goal is factory maintenance, electrical panel work, or automation engineering, Siemens S7-1200 practice is very useful.

Main weakness

Price and software.

Siemens kits can be much more expensive than simple beginner PLC kits. You also need to check carefully what software version is included and whether it works with your computer.

For a serious learner, it can be worth it. For casual learning, it may be too much.

3. Allen-Bradley Micro820 / Micro850 PLC Training Kit — Best for Connected Components Workbench

Best for: Allen-Bradley learning, HMI practice, portable PLC training
Affiliate link: [Allen Bradley Micro820]

There are several PLC training kits compatible with Allen-Bradley Micro800 controllers.

One Amazon listing describes a kit built with a Micro820 PLC processor and PanelView Micro800 HMI, with Ethernet programmability, durable case construction, Connected Components Workbench programming, and PLC lessons included.

Another listing describes a similar trainer with a Micro850 PLC processor, PanelView Micro800 HMI, Ethernet network programmability, and included lessons.

Why I recommend it

I recommend this type of kit if you want to learn Allen-Bradley-style automation.

It is useful for:

PLC programming
HMI screens
Ethernet communication
Basic machine control
Input/output wiring
Training projects
Portable practice
Maintenance training

The HMI is a big advantage.

Many beginners learn PLC logic but ignore HMI screens. In real factories, PLC + HMI work together all the time.

Learning both is much more practical.

Main weakness

These kits can be expensive.

Also, always check software access. Connected Components Workbench is commonly used with Micro800 PLCs, but you should confirm the current download and licensing situation before buying.

4. Migro Professional PLC Developer and Training Starter Kit — Best Budget Ladder Logic Trainer

Best for: ladder logic basics, simple input/output practice, cheaper PLC learning
Affiliate link: [Professional PLC Developer and Training Starter Kit]

The Migro Professional PLC Developer and Training Starter Kit is a more budget-friendly PLC trainer option.

The Amazon listing describes it as a programmable ladder logic controller kit with 12 DC inputs, 8 relay outputs, USB or RS232 programming interface, open software, programming and hardware manual, 24V operation, included power supply, and a bonus ladder logic training course.

Why I recommend it

I recommend this one if your main goal is to learn basic PLC logic without spending Siemens or Allen-Bradley money.

It is useful for:

Ladder logic basics
Inputs and outputs
Relay output practice
Lighting control examples
Simple automation projects
Beginner PLC wiring
PLC logic experiments

For learning basic concepts, you do not always need the most expensive PLC.

You need something that lets you write logic, wire inputs, turn outputs on and off, and understand how PLC scan logic works.

Main weakness

It is not the same as learning a major industrial platform like Siemens TIA Portal or Allen-Bradley Studio 5000.

It may be great for basic ladder logic, but it will not fully prepare you for a specific factory PLC ecosystem.

5. FX3U / HMI PLC Training Practice Box — Best All-in-One Practice Box

Best for: compact PLC + HMI practice, teaching, self-study
Affiliate link: [Customized FX3U PLC Training Kit]

Some FX3U-style training kits are sold as complete practice boxes with PLC and HMI hardware.

One Amazon listing describes a customized FX3U PLC training kit with a test practice box, HMI touch screen, beginner/professional learning use, and teaching/self-study applications.

Other FX3U training kit listings mention hands-on PLC programming practice, AD/DA conversion, and Modbus RTU communication.

Why I recommend it

I like the idea of these kits because they are more complete than a bare PLC.

They can be useful for:

PLC programming
HMI practice
Analog input/output basics
Modbus RTU learning
Small automation simulations
Teaching environments
Self-study practice

Having switches, lamps, HMI, and wiring already built into a box can make practice easier.

You can focus more on logic and less on building the trainer from zero.

Main weakness

Be careful with compatibility and documentation.

Many FX3U-style kits are not official Mitsubishi kits. Some may use compatible or clone PLCs. That does not automatically make them useless for learning, but you should know what you are buying.

If your goal is professional Mitsubishi work, check the exact PLC model, software, cable, manuals, and support before buying.

My Final Recommendation

If you want a modern beginner kit with learning content, I would choose the Arduino PLC Starter Kit.

If you want to learn Siemens and TIA Portal, I would choose the Siemens S7-1200 PLC Trainer Kit.

If you want to learn Allen-Bradley-style PLC + HMI basics, I would look at a Micro820 or Micro850 PLC training kit.

If you want a cheaper ladder logic trainer, I would choose the Migro Professional PLC Developer Kit.

If you want an all-in-one practice box with HMI, I would look at an FX3U / HMI PLC training practice box.

My personal pick for serious industrial learning would be the Siemens S7-1200 trainer, especially if your goal is factory automation and TIA Portal.

For a beginner with a smaller budget, I would start with a cheaper PLC trainer or Arduino PLC kit, then upgrade later.

What to Look for When Buying a PLC Trainer Kit

When choosing a PLC trainer kit, check:

PLC brand
Programming software
Software cost
Programming cable included
Power supply included
Input voltage
Output type
Relay or transistor outputs
Number of inputs and outputs
Analog input/output
Ethernet port
HMI included
Training lessons included
Manuals and documentation
Replacement parts
Support and community
Windows compatibility
DIN rail mounting
Safety of wiring

For beginners, I would especially check:

Can I download the software easily?
Does it include a power supply?
Does it include a programming cable?
Are there lessons or examples?
Can I wire real inputs and outputs?
Can I learn HMI basics?
Is the kit too advanced for my current level?

The best PLC trainer is not always the most expensive one.

The best one is the kit you will actually use.

Why PLC Trainer Kits Are Worth Buying

PLC programming is practical.

You need to understand software, but you also need to understand wiring.

A trainer kit helps connect both sides.

You can write a simple ladder logic program, press a real switch, see a real output turn on, change a timer value, test an HMI button, or troubleshoot a wiring mistake.

That is how automation starts to make sense.

A PLC trainer kit is useful for:

Students
Electricians
Maintenance technicians
Panel builders
Automation beginners
People changing careers
PLC tutorial creators
Self-study learners

If you only use simulation, you may miss important practical details.

Real inputs and outputs teach you polarity, common terminals, relay contacts, wiring mistakes, voltage checks, and troubleshooting.

That is why I think a PLC trainer kit is one of the best investments for learning industrial automation.