SM70-J-R20 Unitronics Samba 7″ colour touchscreen HMI and PLC with onboard I/O configurations
Unitronics SM70-J-R20 Samba PLC with integrated 7 inch colour touchscreen HMI, 12 digital inputs, 2 analogue inputs and 8 relay outputs for industrial automation applications.
SKU:SM70-J-R20Alt SKU:SM70JR20MPN:SM70-J-R20
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Why Choose the Unitronics SM70-J-R20 PLC with Integrated Touchscreen HMI?
The Unitronics SM70-J-R20 is a powerful PLC with integrated 7-inch colour touchscreen HMI, designed to deliver advanced machine control, process automation and operator interface functionality within a single compact platform. As part of the highly regarded Unitronics Samba series, it combines a programmable logic controller, full-colour HMI and onboard I/O, helping reduce hardware costs, simplify wiring and minimise panel space requirements.
Designed for OEM machine builders, automation engineers and control panel manufacturers, the SM70-J-R20 provides a large, high-resolution touchscreen display alongside flexible control capabilities. Its all-in-one architecture allows PLC logic and HMI applications to be developed within the same programming environment, streamlining project development and maintenance.
Featuring 12 digital inputs, 2 analogue inputs and 8 relay outputs, the SM70-J-R20 is ideal for packaging equipment, material handling systems, HVAC applications, water treatment plants and industrial process automation. Operating from a 24 VDC power supply, it supports additional communication options including Ethernet, RS485 and CANbus through optional expansion modules.
Key Advantages
Integrated PLC and 7-inch colour touchscreen HMI.
12 digital inputs and 8 relay outputs.
Built-in analogue input capability.
Large touchscreen improves operator visibility and control.
Reduces wiring complexity and installation costs.
Supports Ethernet, serial and CANbus communication expansion.
Suitable for OEM, industrial and process automation applications.
Key Features
Unitronics Samba PLC + HMI platform.
7-inch TFT colour touchscreen display.
800 × 480 pixel display resolution.
12 digital inputs including high-speed counter input.
2 analogue inputs.
8 relay outputs.
USB programming port.
Real-time clock with battery backup.
MODBUS communication support.
Programming via Unitronics VisiLogic software.
Technical Specifications
Manufacturer: Unitronics
Series: Samba PLC + HMI
Model: SM70-J-R20
Product type: PLC with integrated touchscreen HMI
Supply voltage: 24 VDC
Display size: 7-inch TFT colour touchscreen
Display resolution: 800 × 480 pixels
Digital inputs: 12
Analogue inputs: 2
Relay outputs: 8
High-speed counter: 1 integrated HSC input
Communication: USB, optional Ethernet, RS232/RS485 and CANbus
Protection rating: IP66 / NEMA 4X front panel
Operating temperature: 0°C to 50°C
Dimensions (H × W × D): Approx. 210 × 146.4 × 42.3 mm
Battery backup: Approximately 7 years typical
Mounting type: Panel mount
Large Screen Automation Control Made Simple
The SM70-J-R20 combines powerful PLC functionality with a large touchscreen interface, providing operators with clear visualisation of machine status, alarms, production information and process parameters. The integrated design reduces hardware requirements while improving usability and system reliability.
Unitronics VisiLogic software enables engineers to develop PLC ladder logic and HMI applications within a single environment. Advanced functionality includes data logging, PID control, alarm management, recipe handling, remote communications and industrial networking support.
Typical Applications
Packaging and production machinery.
Material handling and conveyor systems.
HVAC and building automation.
Water treatment and pumping stations.
Food and beverage processing equipment.
Industrial process control systems.
OEM machine automation projects.
Technical Specifications
Voltage
24 V
IP Rating
IP66
Series
Samba PLC + HMI
Product type
PLC with integrated touchscreen HMI
Supply voltage
24 VDC
Display size
7-inch TFT colour touchscreen
Display resolution
800 × 480 pixels
Digital inputs
12
Analogue inputs
2
Relay outputs
8
High-speed counter
1 integrated HSC input
Protection rating
IP66 / NEMA 4X front panel
Operating temperature
0°C to 50°C
Dimensions (H × W × D)
Approx. 210 × 146.4 × 42.3 mm
Battery backup
Approximately 7 years typical
Mounting type
Panel mount
Frequently Asked Questions
What is the Unitronics SM70-J-R20 used for?
The SM70-J-R20 is used for industrial automation applications requiring integrated PLC control and a large touchscreen operator interface.
How many inputs and outputs does the controller provide?
The controller includes 12 digital inputs, 2 analogue inputs and 8 relay outputs.
What size display does the controller feature?
The SM70-J-R20 features a 7-inch TFT colour touchscreen display with an 800 × 480 pixel resolution.
Can communication options be expanded?
Yes. Optional Ethernet, RS232/RS485 and CANbus modules can be installed to provide additional connectivity.
What software is used to program the controller?
The controller is programmed using Unitronics VisiLogic software, allowing PLC programming and HMI development within a single engineering environment.
Trusted by Automation Engineers Worldwide
The Unitronics Samba series is widely used by machine builders and automation professionals seeking reliable PLC control, integrated touchscreen operation and flexible communications within a cost-effective industrial platform.
Voltage
24 V
IP Rating
IP66
Series
Samba PLC + HMI
Product type
PLC with integrated touchscreen HMI
Supply voltage
24 VDC
Display size
7-inch TFT colour touchscreen
Display resolution
800 × 480 pixels
Digital inputs
12
Analogue inputs
2
Relay outputs
8
High-speed counter
1 integrated HSC input
Protection rating
IP66 / NEMA 4X front panel
Operating temperature
0°C to 50°C
Dimensions (H × W × D)
Approx. 210 × 146.4 × 42.3 mm
Battery backup
Approximately 7 years typical
Mounting type
Panel mount
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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
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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.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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.
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...
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...