SM35-J-RA22 Unitronics Samba 3.5" colour touchscreen HMI and PLC with onboard I/O configurations

SM35-J-RA22 Unitronics Samba 3.5″ colour touchscreen HMI and PLC with onboard I/O configurations

Unitronics SM35-J-RA22 Samba PLC with integrated 3.5 inch colour touchscreen HMI, 12 digital inputs, 8 relay outputs, analogue I/O and temperature inputs for industrial automation applications.

SKU: SM35-J-RA22Alt SKU: SM35JRA22MPN: SM35-J-RA22
Price
List Price £439.25 ex VAT
Your Price (ex VAT)
£439.25
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

SUBTOTAL (EX VAT) £439.25
Trade pricing is personalised to your account

Manufacturer Lead Time

£439.25

Why Choose the Unitronics SM35-J-RA22 PLC with Integrated Touchscreen HMI?

The Unitronics SM35-J-RA22 is a compact and feature-rich PLC with integrated colour touchscreen HMI, designed to simplify industrial automation, machine control and process monitoring applications. As part of the advanced Unitronics Samba series, it combines a programmable logic controller and operator interface into a single device, reducing wiring complexity, panel space requirements and installation costs.

Designed for OEM machine builders, control panel manufacturers and automation engineers, the SM35-J-RA22 provides powerful control functionality alongside an intuitive 3.5-inch colour touchscreen. The integrated architecture enables rapid deployment of automation projects while providing operators with real-time monitoring, control and diagnostics from a single interface.

Featuring 12 digital inputs, 8 relay outputs, 2 analogue inputs, 2 PT100/thermocouple inputs and 2 analogue outputs, the SM35-J-RA22 offers exceptional flexibility for machine automation, HVAC systems, pumping stations, packaging equipment and industrial process control applications. Its rugged industrial design ensures dependable operation in demanding environments.

Key Advantages

  • Integrated PLC and colour touchscreen HMI in a single compact controller.
  • 3.5-inch TFT colour touchscreen display for intuitive operation.
  • 12 digital inputs and 8 relay outputs for versatile machine control.
  • Built-in analogue, PT100 and thermocouple inputs.
  • 2 analogue outputs for process control applications.
  • Supports MODBUS and optional Ethernet, CANbus and serial communications.
  • Reduces panel space, wiring and overall system costs.

Key Features

  • Unitronics Samba PLC + HMI platform.
  • 3.5-inch TFT full-colour touchscreen display.
  • 320 × 240 pixel resolution.
  • 12 digital inputs including high-speed counter input.
  • 8 relay outputs.
  • 2 analogue inputs for voltage and current signals.
  • 2 PT100 / thermocouple temperature inputs.
  • 2 analogue outputs.
  • Integrated RS232 programming port.
  • Expandable communications with Ethernet, CANbus and RS485 modules.

Advanced Automation in a Compact Platform

The SM35-J-RA22 combines powerful PLC control with an integrated touchscreen HMI, enabling operators to manage machine functions, process variables and alarms from a single interface. This all-in-one design reduces system complexity while improving usability and maintenance efficiency.

Using Unitronics VisiLogic software, engineers can develop both PLC logic and HMI applications within a single programming environment. This simplifies development and commissioning while providing advanced features such as data logging, alarms, PID control, recipe management and remote communication capabilities.

Typical Applications

  • Packaging and assembly machinery.
  • OEM machine automation.
  • Pumps and water treatment systems.
  • HVAC and building automation.
  • Food and beverage processing equipment.
  • Industrial process monitoring and control.
  • Material handling and conveyor systems.

Technical Specifications

Tick the specs you need, then view products that match.

Analogue I/O 2 AI / 2 AO
Product Series Unitronics Samba
Screen Size 3.5"
Coil / Supply Voltage 24 V DC
Display Colour touchscreen
Digital Inputs 12
Digital Outputs 8
Voltage 24 V
IP Rating IP66
Series Samba PLC + HMI
Product type PLC with integrated touchscreen HMI
Supply voltage 24 VDC
Operating voltage range 20.4 to 28.8 VDC
Display size 3.5-inch TFT colour touchscreen
Display resolution 320 × 240 pixels
Digital inputs 12
Analogue inputs 2
Temperature inputs 2 PT100 / Thermocouple inputs
Relay outputs 8
Analogue outputs 2
Protection rating IP65 / NEMA 4X front panel
Operating temperature 0°C to 50°C
Dimensions (H × W × D) 109 × 114.1 × 68 mm
Weight Approx. 0.4 kg

Frequently Asked Questions

What is the Unitronics SM35-J-RA22 used for?

The SM35-J-RA22 is used for industrial automation and machine control applications requiring integrated PLC functionality and touchscreen operator control.

How many inputs and outputs are included?

The controller includes 12 digital inputs, 2 analogue inputs, 2 PT100/thermocouple inputs, 8 relay outputs and 2 analogue outputs.

What display does the controller feature?

The unit includes a 3.5-inch TFT colour touchscreen display with a 320 × 240 pixel resolution.

Can the controller support Ethernet communication?

Yes. Optional Ethernet, RS485 and CANbus communication modules can be added to expand connectivity.

What software is used to program the controller?

The SM35-J-RA22 is programmed using Unitronics VisiLogic software, which enables both PLC programming and HMI development within a single platform.

Trusted by Automation Engineers Worldwide

Unitronics Samba controllers are widely used by OEMs, machine builders and automation professionals who require reliable PLC control, integrated HMI functionality and flexible communications in a compact industrial controller.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Priority sourcing and supply support

 Flexible payment terms for qualifying organisations

 Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...