Why Choose the Unitronics USC-B5-B1 UniStream PLC Controller?
The Unitronics USC-B5-B1 is a powerful UniStream® PLC CPU controller designed for advanced industrial automation, machine control and process applications. As part of the UniStream Standard Series, this controller delivers exceptional processing power, extensive communication capabilities and Virtual HMI functionality, enabling engineers to create sophisticated automation systems without requiring a dedicated operator panel.
Built for demanding industrial environments, the USC-B5-B1 combines high-speed PLC performance with extensive networking support, including Ethernet/IP, Modbus TCP, EtherCAT and numerous industrial communication protocols. Its scalable architecture allows seamless integration with distributed I/O systems, drives, HMIs and enterprise-level networks.
Featuring 512 MB RAM, 3 GB system memory, 1 GB user memory, dual Ethernet ports and support for up to 2048 I/O points, the USC-B5-B1 provides a future-proof automation platform suitable for machine builders, OEMs and industrial control engineers.
Key Advantages
High-performance PLC CPU controller for advanced automation systems.
Virtual HMI functionality for remote monitoring and operation.
Dual Ethernet ports for industrial networking.
Supports Ethernet/IP, Modbus TCP, EtherCAT, BACnet, CANopen and more.
Expandable architecture supporting up to 2048 I/O points.
Suitable for machine control, process automation and Industry 4.0 applications.
Key Features
Unitronics UniStream Standard PLC.
PLC CPU module without built-in I/O.
512 MB RAM.
3 GB system ROM and 1 GB user ROM.
2 × Ethernet RJ45 ports.
USB host and USB programming ports.
Support for UniCloud remote connectivity.
Virtual HMI support via PC, mobile device or display.
MicroSD card support.
DIN rail mounting.
Advanced PLC Control with Virtual HMI
The USC-B5-B1 combines PLC processing and HMI functionality within a single controller platform. Through Virtual HMI technology, operators can access machine interfaces from PCs, tablets, smartphones or dedicated displays, reducing hardware costs while improving operational flexibility.
Its extensive communication support enables seamless integration with modern industrial networks, remote I/O systems and cloud-based monitoring platforms. The controller is ideal for manufacturers seeking scalable automation solutions that support future expansion and Industry 4.0 initiatives.
The USC-B5-B1 is a PLC CPU controller used for industrial automation, machine control, process monitoring and advanced communication applications.
Does the USC-B5-B1 include built-in I/O?
No. The USC-B5-B1 is a CPU controller module without integrated I/O and is designed to work with local and remote expansion modules.
What communication protocols are supported?
The controller supports Ethernet/IP, EtherCAT, Modbus TCP, BACnet, CANopen, KNX, RS-232, RS-485 and additional industrial communication protocols.
What is Virtual HMI?
Virtual HMI allows operators to view and control machine interfaces remotely using PCs, tablets, smartphones or compatible displays without requiring a dedicated HMI panel.
How many I/O points can the controller support?
The USC-B5-B1 supports expansion to approximately 2048 I/O points through local and remote I/O systems.
Trusted for Advanced Industrial Automation
Unitronics UniStream controllers are trusted worldwide by automation engineers, machine builders and system integrators for powerful processing, advanced networking capabilities and flexible industrial control solutions.
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.
Can you help specify the correct part?
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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...