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.
Data acquisition applications are usually controlled by software programs developed using various general purpose programming languages such as Assembly, BASIC, C, C++, C#, Fortran, Java, LabVIEW, Lisp, Pascal, etc. Stand-alone data acquisition systems are often called data loggers.
There are also open-source software packages providing all the necessary tools to acquire data from different hardware equipment. These tools come from the scientific community where complex experiment requires fast, flexible and adaptable software. Those packages are usually custom fit but more general DAQ package like the Maximum Integrated Data Acquisition System can be easily tailored and is used in several physics experiments worldwide
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5-layer, 100Base-T I/O, Data Acquisition and Control Cube with PowerPC CPU and SD slotDiscover
5-layer enclosure; room for 3 I/O layers; CPU + GigE/1000Base-T NIC; PowerPC 400 Mhz CPUDiscover
8-layer, 100Base-T I/O, Data Acquisition and Control Cube with PowerPC CPU and SD slotDiscover
8-layer enclosure; room for 6 I/O layers; CPU + GigE/1000Base-T NIC; PowerPC 400 Mhz CPUDiscover
FLATRACK™ Ethernet I/O DAQ Platform, 4-slotDiscover
3U Gigabit Ethernet Data Acquisition and control rack, 12-slotDiscover
PowerDNR HalfRACK, 6 slotsDiscover
Rugged, Mil/Aero style 6-slot I/O chassisDiscover
ARINC 429 Interface board with 12 RX channelsDiscover
24-channel ARINC 429 InterfaceDiscover
16-channel TX ARINC 429 InterfaceDiscover
ARINC 429 Interface board with 6 TX and 6 RX channelsDiscover
ARINC-708/453/WxPD interface with two TX and two RX channels.Discover
2-Channel AFDX®/ARINC-664 InterfaceDiscover
24-channel, 16-bit, 100 kS/s aggregate, analog input, data acquisitionDiscover
12-channel, 16-bit, 16 kS/s aggregate, analog input, data acquisition boardDiscover