Product category: Sensors and Data Acquisition
News Release from: Winsystems | Subject: PCM-ADIO
Edited by the Electronicstalk Editorial Team on 5 April 2004
Embedded module takes acquisition onboard
Winsystems reckons the PCM-ADIO is the most flexible PC/104 industrial data acquisition module on the market, combining all the key elements of a total data acquisition system on a single board
This includes a 32-channel, 16bit analogue-to-digital (A/D) convertor, four-channel, 12bit digital-to-analogue (D/A) convertor, 16 lines of digital I/O and event trigger control. An onboard microprocessor controls the input ranges, input configurations, conversion rates, FIFO depth, output ranges, calibration, and digital I/O settings without the use of clumsy jumpers or potentiometers.
This article was originally published on Electronicstalk on 5 April 2004 at 8.00am (UK)
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This board targets industrial applications that require a variety of sources from thermocouples, bridges, and monitored system voltages representing parameters such as temperature, pressure, acceleration, humidity, frequency, vibration, weight, flow rates and current with little or no external signal conditioning circuitry.
Plus it has digital and analogue outputs for process control applications.
The unique quality of this board is in its flexibility and accuracy.
A Triscend TE520 configurable SoC provides the intelligence and flexibility.
It allows each channel to be independently configured as single ended or differential input, eight different input ranges, variable conversion intervals, and allocation of the 32Kbyte FIFO by a simple command structure.
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Embedded board promises long availability
The EBC-855-G is an EBX-compatible, Intel 1GHz ultra-low-power, Celeron (Dothan core) single board computer
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CF cards are targeted for applications that need industrial-grade reliability, industry-standard compatibility and IDE hard disk drive emulation for program and data storage
This means that on-the-fly, the board can change to different calibrated input configurations to any mode without a time penalty.
The automatic conversion rate is programmable from channel to channel which improves program efficiency, data handling and processing time.
It also controls all four fully independent analogue output channels and the digital I/O mix.
The analogue section of the board has been carefully designed with ultra-low-noise power supplies and a low drift voltage reference.
These are critical for accurate measurements with a 16bit resolution.
Also, special layout techniques and low drift resistor networks are used to maintain the precision, accuracy, and long-term stability of this board.
The input ranges are 1.25, 2.5, 5 and 10V, either unipolar or bipolar.
There are no missing codes and the measurements are monotonic over the full temperature range from -40 to +85C.
Four independent 12bit D/A convertors are on the board.
Each channel can be updated or cleared either independently or simultaneously.
The output voltage ranges are 0-5, 0-10, +/-2.5, +/-5 and +/-10V.
There are 16 lines of digital I/O organised into two 8bit bytes configured as either input or output.
The lines are TTL-compatible and can source and sink 12mA.
List price for the PCM-ADIO is $765 and delivery is stock to 3 weeks.
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