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© National Instruments Corporation 2-1 NI 6238/6239 User Manual
2
DAQ System Overview
Figure 2-1 shows a typical DAQ system, which includes sensors,
transducers, cables that connect the various devices to the accessories, the
M Series device, programming software, and PC. The following sections
cover the components of a typical DAQ system.
Figure 2-1. Components of a Typical DAQ System
DAQ Hardware
DAQ hardware digitizes input signals, performs D/A conversions to
generate analog output signals, and measures and controls digital I/O
signals. Figure 2-2 features the components of the NI 6238/6239 devices.
Sensors and
Transducers
DAQ
Hardware
Personal
Computer
DAQ
Software
Cables and
Accessories