We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
USC-B3-R20 Unitronics Unistream PLC with 10 digital/2 analog inputs and 8 relay outputs with Unicloud included
MPN: USC-C3-R20
Alt. SKU: USCC3R20
Special Price
£551.57
£459.64
Regular Price
£648.90
Why Choose the Unitronics USC-C3-R20 UniStream PLC?
The Unitronics USC-C3-R20 is a compact DIN-rail mounted UniStream programmable logic controller designed for reliable industrial automation and machine control. Part of the UniStream C3 Basic series, this PLC integrates logic processing, networking capabilities and built-in I/O within a single controller, making it ideal for control panels requiring a powerful yet space-efficient automation solution.
The controller provides 10 digital inputs, 2 analogue inputs and 8 relay outputs, allowing direct connection to sensors, switches, valves and actuators without requiring additional I/O modules for many machine applications. It supports both voltage and current analogue signals, providing flexibility for process monitoring and control tasks.
UniStream PLCs also provide extensive communication features including Ethernet networking, industrial protocol support and remote connectivity. The USC-C3-R20 includes built-in connectivity to Unitronics UniCloud, enabling remote monitoring and management of industrial equipment through cloud-based services.
Key Features
- Compact DIN-rail mounted PLC for industrial automation systems.
- 10 digital inputs (24 V DC, sink/source).
- 2 analogue inputs supporting 0–10 V or 0–20 mA signals.
- 8 relay outputs for switching industrial loads.
- Dual Ethernet ports for industrial networking.
- USB host interface for peripheral connectivity.
- Supports communication protocols including Modbus TCP/RTU, EtherNet/IP and CANopen.
- UniCloud connectivity for remote monitoring and IIoT integration.
- Expandable with Uni-COM communication modules and remote I/O adapters.
Technical Specifications
- Manufacturer: Unitronics
- Series: UniStream C3 Basic
- Model: USC-C3-R20
- Controller type: DIN-rail programmable logic controller
- Power supply: 24 V DC
- Operating voltage range: 20.4–28.8 V DC
- Digital inputs: 10 (24 V DC, sink/source)
- Analogue inputs: 2 (0–10 V / 0–20 mA, 12-bit)
- Digital outputs: 8 relay outputs
- Communication ports: 2 — Ethernet (RJ45), USB host
- Internal memory: approx. 256 MB RAM, 3 GB system memory, 1 GB user memory
- Programming software: UniLogic
- Battery: CR2032 lithium backup battery
- Remote I/O support: 1 UniStream remote I/O adapter
- Mounting: 35 mm DIN rail
- Operating temperature: −20 °C to +55 °C
Typical Applications
- Industrial machine automation.
- OEM equipment control systems.
- Manufacturing process monitoring.
- Material handling and conveyor systems.
- Industrial data acquisition and remote monitoring.
Frequently Asked Questions
What is the Unitronics USC-C3-R20?
The USC-C3-R20 is a UniStream DIN-rail programmable logic controller with built-in digital and analogue I/O designed for industrial automation systems.
What built-in I/O does this PLC provide?
The controller includes 10 digital inputs, 2 analogue inputs and 8 relay outputs, enabling direct connection to sensors and industrial equipment.
Does the PLC support Ethernet communication?
Yes. The controller includes two Ethernet ports for industrial networking and protocol communication.
Can the USC-C3-R20 be expanded with additional I/O?
Yes. The PLC supports expansion using UniStream remote I/O modules and communication modules for larger automation systems.
Where is the USC-C3-R20 commonly used?
It is commonly used in machine automation, OEM equipment, manufacturing systems and industrial control panels.
Trusted by Automation Engineers
Unitronics UniStream PLC controllers are widely used by system integrators and machine builders for reliable control, advanced networking capabilities and flexible automation architecture.
| PLC Range | Unitronics Unistream |
|---|---|
| Digital Isolated Input | 10 x Sink/Source |
| Number of analogue inputs | 2 x 0-10V, 0-20mA, 4-20mA, 12 Bit |
| Number of relay outputs | 8 |
| Software Included | Unicloud |
| Manufacturer | Unitronics |
| Manufacturer Part Number | USC-C3-R20 |
| Module type | PLC Only |
| Alternative Product SKU | USCC3R20 |
Write Your Own Review
