Unitronics designs and markets advanced All-in-One Programmable Logic Controllers (PLCs) with integrated HMIs for industrial automation and control systems.
Zithunzi za Unitronics is a global leader in the development and manufacture of industrial automation products, best known for its pioneering "All-in-One" solution that integrates a Programmable Logic Controller (PLC) with a Human-Machine Interface (HMI) panel. Founded in 1989, the company provides a comprehensive range of control devices that streamline automation tasks by eliminating the need for separate PLC and HMI components, thereby reducing wiring, programming time, and cabinet space.
The company’s product portfolio includes the powerful UniStream series for complex machinery, the Masomphenya series for advanced control, and the Samba series for smaller applications. In addition to hardware, Unitronics offers a unified programming environment—such as VisiLogic and UniLogic—allowing engineers to configure hardware, communications, and HMI designs in a single software platform. Their solutions serve diverse industries including petrochemicals, automotive, food processing, plastics, and energy, backed by a global support network.
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Software such as UniLogic, VisiLogic, and U90 Ladder can be downloaded free of charge from the Technical Library section of the official Unitronics webmalo.
Firmware updates are typically managed through the programming software (e.g., UniLogic or VisiLogic) under the Controller or System menu. Check the Technical Library for the latest OS versions specific to your model.
The Vision series is a well-established line of All-in-One PLCs with HMI for general automation, offering Snap-in I/Os. The UniStream series is a modular, high-performance platform supporting advanced communications, multimedia, and complex control tasks with a modular architecture.
Connection involves using a compatible serial adapter (like the MJ10-22-CS76) and configuring the modem settings in the PLC software via the Modem Services menu. Refer to the specific GSM/GPRS modem user guide for AT command setup.