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Teledyne API Model 200AU NO
X
Analyzer Instruction Manual, 02293, Rev. F
5-37
Table 5-21: RS-232 Diagnostic Command Summary
Command Description
Command Description
D [id] LIST Prints all I/O signal values. See Table 9-4 for Signal I/O definitions.
D [id] name=value Examines or sets I/O signal. For a list of signal names see Table 9-4.
Must issue D ENTER SIG command before using this command.
D [id] LIST NAMES Prints names of all diagnostic tests.
D [id] ENTER SIG
D [id] ENTER OT
D [id] ENTER ET
Executes SIGNAL I/O diagnostic test.
Executes Optic Test diagnostic test.
Executes Elect Test diagnostic test.
Example of Ozone Generator diagnostic is in Section 5.5.6.
Use D EXIT to leave these diagnostic modes.
D [id] EXIT Must use this command to exit SIG, ET or OT Diagnostic modes
D [id] RESET Resets analyzer software (same as power on).
D [id] RESET RAM Resets analyzer software and erases RAM. Erases NO, NO
x
, NO
2
conc
values. Keeps setup variables and calibration. (same as installing new
software version)
D [id] RESET EEPROM Resets analyzer software and erases RAM and EEPROM. Returns all
setup variables to factory defaults, resets calibration, Pre-reactor values.
5.5.7 DAS Commands and Message
The M200AU contains a flexible and powerful built in data acquisition system (DAS) that
enables the analyzer to store concentration data as well as diagnostic parameters in its battery
backed memory. This information can be printed out through the RS-232 port. The diagnostic
data can be used for performing “Predictive Diagnostics” and trending to determine when
maintenance and servicing will be required.
To print out the properties of all of the data channels enter:
D PRINT
To print the properties of just a single data channel enter:
D PRINT "name”
For example to print the properties of the CONC data channel enter:
D PRINT “CONC”