Profile: System Devices Uk Ltd. provides support and products from Opto22, Epson robotics, Maple Terminals, Acromag, Aaxeon and Brentek. Our Opto 22 manufactures hardware and software products that link all kinds of electrical, mechanical & electronic devices and machines to networks & computers. Ethernet IO and programmable automation controllers are just a few of the programmable controller and distributed IO systems that we provide. Our portfolio of products covers the whole range and of hardware and software used in data acquisition, automation control, process automation and SCADA control systems.