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Data acquisition is the process of sampling signals that measure real world physical conditions and converting the resulting samples into digital numeric values that can be manipulated by a computer. Data acquisition systems, abbreviated by the acronyms DAS or DAQ, typically convert analog waveforms into digital values for processing. The components of data acquisition systems include:
– Sensors, to convert physical parameters to electrical signals.
– Signal conditioning circuitry, to convert sensor signals into a form that can be converted to digital values.
– Analog-to-digital converters, to convert conditioned sensor signals to digital values.
|Part Number||Output High Drive Current||Input Load Current||Power Requirements||Action|
|1781-PXB1201||200uA (Vout=2.5 V dc)||± 10 mA||+5V: 400 mA (typical)||Add Quote||4|
|1781-PXB241||200µA (Vout=2.5 V dc)||+10 mA||+5V: 400 mA (typical)||Add Quote||1|
|1781-PXB481||+5V: 400 mA (typical)||20 uA||+5 VDC from computer bus (ext. 1A fast-blow fuse recommended)||Add Quote||2|
|1781-PXB721||200uA (Vout=2.5 V dc)||± 10 mA||+5V: 400 mA (typical)||Add Quote||3|