US5-B5-RA28 Unitronics Unistream 5" HMI and PLC with 14 digital/2 analog inputs, 8 relay and 2 analog outputs

Why Choose the Unitronics US5-B5-RA28 UniStream PLC with Integrated HMI?

The Unitronics US5-B5-RA28 is a compact PLC and touchscreen HMI all-in-one controller from the UniStream Built-in series. It integrates programmable logic control, operator interface and built-in I/O into a single device, reducing panel wiring and simplifying industrial automation system design.

The controller includes a 5 inch colour resistive touchscreen display providing intuitive visualisation of machine status, alarms and process data. Engineers can configure PLC logic, HMI graphics and communications using the UniLogic development environment, enabling complete automation projects to be developed within a single integrated software platform.

The US5-B5-RA28 provides a versatile built-in I/O configuration including 14 digital inputs, 2 analogue inputs, 2 temperature inputs, 8 relay outputs and 2 analogue outputs. This configuration enables direct connection of sensors, actuators and process devices, supporting a wide range of industrial automation tasks.

Key Features

• Integrated PLC and HMI controller with built-in I/O.
• 5 inch colour touchscreen display for operator control.
• 14 digital inputs including high-speed counter channels.
• 2 analogue inputs supporting voltage or current signals.
• 2 temperature inputs for RTD or thermocouple sensors.
• 8 relay outputs for switching industrial loads.
• 2 analogue outputs for process control signals.
• Programmable using the UniLogic integrated automation platform.

Technical Specifications

• Manufacturer: Unitronics
• Series: UniStream Built-in
• Model: US5-B5-RA28
• Controller type: PLC with integrated HMI
• Display size: 5 inch colour resistive touchscreen
• Display resolution: approx. 800 × 480 pixels
• Digital inputs: 14 × 24 V DC sink/source
• High-speed inputs: 2 high-speed counter channels
• Analogue inputs: 2 × (0–10 V / 0–20 mA)
• Temperature inputs: 2 × RTD or thermocouple
• Relay outputs: 8 × SPST relay outputs
• Analogue outputs: 2 × (0–10 V / −10–10 V / 0–20 mA / 4–20 mA)
• Supply voltage: 24 V DC
• Communication ports: Ethernet, USB host and Mini-USB device
• Supported protocols: Ethernet/IP, Modbus TCP, CANopen and serial communications
• I/O expansion: supported via UniStream local or remote I/O modules
• External storage: microSD card support
• Protection rating: IP66 / NEMA 4X front panel
• Mounting: Panel mounted controller

Integrated PLC and HMI Automation

UniStream controllers combine machine control, operator visualisation and industrial networking within a single automation platform. Their integrated architecture reduces hardware footprint while enabling powerful control capabilities and scalable expansion through additional I/O modules.

Typical Applications

• Industrial machine automation and equipment control.
• Manufacturing and production line monitoring.
• Packaging and material handling systems.
• Process monitoring and industrial control applications.
• Utilities, HVAC and infrastructure automation.