Why Choose the Unitronics V120-22-T38 PLC + HMI Controller?
The Unitronics V120-22-T38 is a powerful all-in-one programmable logic controller (PLC) with integrated HMI, designed to provide advanced machine control, monitoring and automation in a compact package. Part of the highly regarded Unitronics Vision120 series, this controller combines a graphical operator interface, onboard I/O and communication capabilities into a single cost-effective solution.
Designed for OEMs, machine builders and industrial automation engineers, the V120-22-T38 simplifies control system architecture by eliminating the need for separate PLC and HMI devices. Its integrated display and keypad enable operators to monitor machine status, adjust settings and interact directly with the application.
Featuring 22 digital inputs, 16 transistor outputs, dual RS232/RS485 communication ports and a 24 V DC power supply, the V120-22-T38 is ideal for a wide range of industrial control applications. The controller can also be expanded with additional I/O modules, making it suitable for both small and medium-sized automation systems.
Key Advantages
Integrated PLC and HMI in a single compact device.
22 digital inputs and 16 transistor outputs onboard.
Large graphical display with user-friendly keypad interface.
Dual RS232/RS485 communication ports for flexible connectivity.
Supports expansion of up to 256 I/O points.
Suitable for machine automation, process control and OEM equipment.
Reduces panel space, wiring complexity and installation costs.
Key Features
Unitronics Vision120 series controller.
128 × 64 pixel monochrome graphic LCD display.
16-key sealed membrane keypad.
22 digital inputs including high-speed counter inputs.
16 transistor outputs including high-speed outputs.
Dual configurable RS232 / RS485 communication ports.
Real-time clock with battery backup.
Support for Modbus, CANopen and industrial networking.
Expandable with local and remote I/O modules.
Integrated HMI screens, recipes, data logging and alarms.
Integrated PLC and HMI for Efficient Automation
The Unitronics V120-22-T38 combines machine control and operator interaction within a single controller, reducing hardware requirements while improving usability. The integrated graphic display enables real-time visualisation of machine processes, alarms, production data and operational parameters.
With advanced communications, data logging, recipe management and networking support, the Vision120 platform provides a scalable automation solution suitable for both standalone machines and networked industrial systems. Its flexible I/O configuration and expansion capabilities allow the controller to adapt as machine requirements evolve.
Typical Applications
Packaging and labelling machinery.
Material handling and conveyor systems.
Water treatment and pumping stations.
Food and beverage processing equipment.
OEM machine control panels.
Industrial process automation.
HVAC and building management systems.
Production monitoring and control applications.
Technical Specifications
Voltage
24 V
IP Rating
IP65
Series
Vision120
Product type
PLC with integrated HMI
Supply voltage
24 V DC
Digital inputs
22
Digital outputs
16 transistor outputs
Display
128 × 64 pixel monochrome graphic LCD
Keypad
16-key membrane keypad
Application memory
448 KB
Data tables
120 KB RAM / 64 KB Flash
Communication ports
2 × RS232/RS485
Real-time clock
Yes
I/O expansion
Up to 256 I/O points
Protection rating
IP65 front panel mounted
Operating temperature
0°C to 50°C
Mounting
Panel or DIN rail installation
Weight
Approx. 270 g
Frequently Asked Questions
What is the Unitronics V120-22-T38?
The V120-22-T38 is a programmable logic controller with an integrated graphical HMI, combining machine control, monitoring and operator interface functions in a single device.
How many inputs and outputs does the controller provide?
The controller includes 22 digital inputs and 16 transistor outputs as standard.
What communication ports are available?
The unit includes two configurable RS232/RS485 serial communication ports for PLC communications and industrial networking.
Can the V120-22-T38 be expanded?
Yes. The controller supports expansion modules and can be expanded to support up to 256 I/O points depending on the application requirements.
What industries commonly use this controller?
The controller is widely used in manufacturing, packaging, material handling, water treatment, HVAC and OEM machinery applications.
Trusted by Automation Engineers Worldwide
Unitronics Vision controllers are trusted globally for delivering reliable PLC control, integrated HMI functionality and flexible communication capabilities in a compact, cost-effective automation platform.
Voltage
24 V
IP Rating
IP65
Series
Vision120
Product type
PLC with integrated HMI
Supply voltage
24 V DC
Digital inputs
22
Digital outputs
16 transistor outputs
Display
128 × 64 pixel monochrome graphic LCD
Keypad
16-key membrane keypad
Application memory
448 KB
Data tables
120 KB RAM / 64 KB Flash
Communication ports
2 × RS232/RS485
Real-time clock
Yes
I/O expansion
Up to 256 I/O points
Protection rating
IP65 front panel mounted
Operating temperature
0°C to 50°C
Mounting
Panel or DIN rail installation
Weight
Approx. 270 g
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
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.
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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...