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Teledyne API - Model 200EH/EM Operation Manual Theory of Operation
227
10.7. SOFTWARE OPERATION
The M200EH/EM NO
X
analyzer’s core module is a high performance, 386-based microcomputer running a
version of DOS. On top of the DOS shell, special software developed by Teledyne Instruments interprets user
commands from various interfaces, performs procedures and tasks, stores data in the CPU’s memory devices
and calculates the concentrations of NO
X
in the sample gas. Figure 10-10-29 shows a block diagram of this
software functionality.
Figure 10-10-29: Schematic of Basic Software Operation
04521C (DCN5731)