Why Choose the Unitronics V350-35-R34 Vision350 PLC + HMI?
The Unitronics V350-35-R34 is a powerful PLC + HMI controller that combines advanced programmable logic control, integrated I/O and a vibrant 3.5-inch colour touchscreen within a single compact platform. As part of the highly regarded Vision350 series, it is designed to simplify machine automation while reducing control panel space, wiring complexity and system costs.
The controller features an intuitive colour touchscreen interface, onboard digital and analogue I/O, integrated communication ports and support for extensive expansion capabilities. This all-in-one architecture makes the V350-35-R34 an excellent choice for machine builders, OEM manufacturers and industrial automation engineers seeking a flexible and scalable control solution.
With 22 onboard inputs, 12 relay outputs, built-in RS232/RS485 communications and support for expansion up to 512 I/O points, the V350-35-R34 is suitable for a wide range of industrial control, process automation and machine monitoring applications.
Key Advantages
Integrated PLC and colour touchscreen HMI.
22 onboard inputs and 12 relay outputs.
Built-in analogue input capability.
3.5-inch TFT colour touchscreen display.
Supports expansion up to 512 I/O points.
Integrated RS232 and RS485 communications.
Suitable for industrial machinery and process control.
Reduces wiring, installation time and panel space requirements.
Advanced Machine Control with Integrated Visualisation
The Unitronics V350-35-R34 combines powerful PLC functionality and operator visualisation within a single device. Engineers can develop complete automation projects using Unitronics software, integrating ladder logic, alarms, trends, recipes and touchscreen graphics into one application.
The integrated I/O and communication capabilities enable direct connection to sensors, switches, relays, drives and process equipment, while optional Ethernet and CANbus modules allow integration into larger industrial networks and distributed control systems.
Typical Applications
OEM machinery and equipment manufacturing.
Packaging and production systems.
Material handling and conveyor control.
Water and wastewater treatment plants.
Food and beverage processing equipment.
Building management systems.
Industrial process automation and monitoring.
Technical Specifications
Current
2 A
Voltage
24 V
IP Rating
IP65
Series
Vision350
Product type
PLC + HMI controller
Display type
TFT colour touchscreen
Display size
3.5 inch
Display resolution
320 × 240 pixels
Colours
65,536 colours
Digital inputs
19 standard inputs
High-speed inputs
3 HSC / encoder inputs
Analogue inputs
2 configurable inputs
Relay outputs
12
Supply voltage
24 V DC nominal
Operating voltage range
20.4-28.8 V DC
Communication ports
RS232, RS485, Mini-USB
Memory
1 MB application memory
I/O expansion
Up to 512 I/O points
Protection rating
IP65 / IP66 / NEMA 4X front panel
Operating temperature
0°C to +50°C
Mounting type
Panel mounting
Dimensions
Approx. 114.1 × 109 × 68 mm
Frequently Asked Questions
What is the Unitronics V350-35-R34 used for?
The V350-35-R34 is an integrated PLC and touchscreen HMI controller used for machine control, process automation and industrial monitoring applications.
How many onboard inputs and outputs are included?
The controller provides 22 onboard inputs including high-speed inputs and analogue capability, along with 12 relay outputs.
Does the controller include analogue inputs?
Yes. Two configurable inputs can be used as analogue inputs supporting 0-10 V, 0-20 mA and 4-20 mA signals.
Can the V350-35-R34 be expanded?
Yes. The controller supports local and remote expansion modules and can support up to 512 I/O points.
What communication ports are available?
The unit includes RS232, RS485 and Mini-USB communications, with optional Ethernet and CANbus expansion available.
Trusted by Automation Engineers Worldwide
The Unitronics Vision350 series is widely deployed in industrial automation applications where engineers require integrated control, operator interaction, reliable communications and flexible expansion capabilities.
Current
2 A
Voltage
24 V
IP Rating
IP65
Series
Vision350
Product type
PLC + HMI controller
Display type
TFT colour touchscreen
Display size
3.5 inch
Display resolution
320 × 240 pixels
Colours
65,536 colours
Digital inputs
19 standard inputs
High-speed inputs
3 HSC / encoder inputs
Analogue inputs
2 configurable inputs
Relay outputs
12
Supply voltage
24 V DC nominal
Operating voltage range
20.4-28.8 V DC
Communication ports
RS232, RS485, Mini-USB
Memory
1 MB application memory
I/O expansion
Up to 512 I/O points
Protection rating
IP65 / IP66 / NEMA 4X front panel
Operating temperature
0°C to +50°C
Mounting type
Panel mounting
Dimensions
Approx. 114.1 × 109 × 68 mm
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...