OEM version of popular LabJack U12 Data Acquisition.
Now available from Audon Electronics is a board-only
OEM version of the popular USB based LabJack
U12 USB data acquisition and control device.
The Labjack U12 features 8 single ended or 4 differential analogue
inputs, 2 analogue outputs, 20 digital I/O including a 32 bit counter
and watchdog timer. The LabJack U12 has a ±10V input range
at 12-bit resolution. Differential channels can make use of the low
noise precision amplifier with gains of 1,2,4,8,16,20, giving an
input range down to ±1V. Data can be streamed to disk at 1kHz
and a bursts mode allows over 4000 samples to de taken at a
8kHz rate. The two 0-10V analogue output channels can be
updated at a 50Hz rate with 10-bit resolution.
The LabJack has 20 digital I/O channels which can be individually
configured as input or output. There is also one 32-bit counter
available on the LabJack U12, capable of counting frequencies
up to 1 MHz. The LabJack U12 also has a watchdog timer
function available which can change the states of digital I/O
if the LabJack does not successfully communicate with the
PC within a specified time-out period. This function could be
used to reboot the PC allowing for reliable unattended operation.
All this from a simple plug-and-play USB device.
The OEM version consists of a populated circuit board with the
usual screw terminals replaced with DIL headers. It does not
come with an enclosure, USB cable or a software CD. However,
all software and a dimensional drawing is available from Audon's
website. The OEM version is ideal for users who wish to add the
U12's functionality to their own equipment or have an extremely
cost-sensitive application in mind.
Software support for the U12 is very extensive. There is an
easy-to-use DLL and ActiveX and LabView VI's. There are also
freely available examples in Visual Basic, C++, Borland C,
PowerBasic, MatLab, Delphi, LabVIEW, TestPoint, VEE,
DAQFactory, LabWindows, Perl, Java, DasyLab and even Excel.
There is also driver information for Linux and Apple Mac users.
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October 2004
