USC-C5-RA28 Unitronics Unistream PLC with 14 digital/2 analog inputs, 8 relay and 2 analog outputs

Why Choose the Unitronics USC-C5-RA28 UniStream PLC?

The Unitronics USC-C5-RA28 is a compact DIN-rail mounted UniStream programmable logic controller from the UniStream C5 Standard series. Designed for modern industrial automation systems, it combines powerful PLC processing, built-in I/O and advanced networking capabilities in a single controller, enabling engineers to simplify machine architecture while maintaining high performance and scalability.

The controller includes a versatile integrated I/O configuration with 14 digital inputs, 2 analogue inputs, 2 temperature inputs, 8 relay outputs and 2 analogue outputs. This allows direct connection to sensors, RTD or thermocouple temperature probes, control valves and actuators without requiring additional modules for many applications.

UniStream PLCs also provide extensive communication and automation capabilities including Ethernet networking, industrial protocol support, remote monitoring and cloud connectivity through Unitronics UniCloud. These features make the USC-C5-RA28 suitable for industrial control systems requiring reliable connectivity and remote diagnostics.

Key Features

• DIN-rail mounted UniStream PLC controller for industrial automation.
• 14 digital inputs (24 V DC sink/source).
• 2 analogue inputs supporting 0–10 V or 0–20 mA signals.
• 2 temperature inputs supporting RTD or thermocouple sensors.
• 8 relay outputs for switching industrial loads.
• 2 analogue outputs configurable for voltage or current control signals.
• Dual Ethernet ports for industrial networking.
• USB host and USB device ports for programming and peripheral devices.
• Supports industrial protocols including Modbus TCP/RTU, EtherNet/IP and CANopen.
• UniCloud connectivity for IIoT monitoring and remote access.

Technical Specifications

• Manufacturer: Unitronics
• Series: UniStream C5 Standard
• Model: USC-C5-RA28
• Controller type: DIN-rail programmable logic controller
• Power supply: 24 V DC
• Operating voltage range: approx. 20.4–28.8 V DC
• Digital inputs: 14 (24 V DC sink/source)
• Analogue inputs: 2 (0–10 V / 0–20 mA, 14-bit resolution)
• Temperature inputs: 2 (RTD / thermocouple)
• Relay outputs: 8
• Analogue outputs: 2 (0–10 V / ñ10 V / 0–20 mA / 4–20 mA)
• Communication ports: 2 — Ethernet (RJ45), 1 — USB host, 1 — USB device
• Internal memory: approx. 512 MB RAM, 3 GB system memory, 1 GB user memory
• External storage: microSD / microSDHC up to 32 GB
• Expansion capability: up to 2,048 I/O points via Uni-I/O modules
• Remote I/O: up to 8 UniStream remote I/O adapters
• Mounting: 35 mm DIN rail
• Operating temperature: −20 °C to +55 °C
• Protection rating: IP20 / NEMA 1

Typical Applications

• Industrial machine automation.
• Process monitoring and control systems.
• Temperature-controlled production equipment.
• Material handling and conveyor systems.
• Industrial data acquisition and remote monitoring.