USB relays offer simple use
An
Audon Electronics product story
Edited by the Engineeringtalk editorial team
Oct 12, 2007
The UDIN range consists of a USB interface, a micro-controller and relay outputs and/or opto-isolator inputs.
Audon Electronics' UDIN range of low-cost USB relays are digital I/O units for desktop, panel or industrial DIN rail mounting.
They feature mains rated relays capable of switching mains 3A and fully opto-isolated digital inputs.
They do not require any external PSU.
All units come with both virtual com port drivers so that they can be used with most legacy software packages or with a .DLL for direct programming.
Supplied with cable, test programs and programming examples.
The UDIN range consists of a USB interface, a micro-controller and relay outputs and/or opto-isolator inputs.
The UDIN units are controlled by simple ASCII commands.
The USB interface handles the USB protocols and presents the ASCII commands to the micro-controller as serial data.
The micro-controller then uses the commands to control the relays or report back input status.
There are four models in the range.
The UDIN-8R has eight relays, the UDIN-8I has eight opto-isolated inputs and the UDIN-44 has four relays and four opto-isolated inputs.
The UDIN-16A which has four mains-rated 16A relays and four opto-isolated inputs.
Most software packages that can send or receive ASCII data to a RS232 port should be able to control the UDIN range.
The UDIN units comes with a virtual com port driver, which installs a virtual com port on the PC.
Software can then send and receive ASCII data to and from this virtual com port and thus to the UDIN unit.
Typical packages that can be used include Windows HyperTerminal, data acquisition packages such as Profilab, DAQFactory, LabView, DasyLab, VEE and TestPoint, and most Scada Software packages.
Programmers can bypass the VCP route and use direct .DLL function calls instead.
The UDIN units are supplied with a test application complete with all source code.
Drivers are available for the Windows operating system, Linux, MAC and Win CE.NET.
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