Teledyne 300 instruction manual Signal I/O, Diagnostic Tests, Test #, Nominal Value, Name

The TEST button is used to scroll through the test measurements until the one of interest is displayed. To turn the test on press the OFF/ON button. Viewing test measurements in the diagnostic mode is especially useful for viewing the results of a diagnostic test.

The PREV button goes to the previous diagnostic test. When pressed, the CPU turns the current diagnostic test OFF if it is ON. The NEXT button goes to the next diagnostic test. When pressed, the CPU turns the current diagnostic test OFF if it is ON. The EXIT button exits the diagnostic mode and turns all the diagnostic tests OFF. This ensures that a diagnostic test is not accidentally left ON. A message is also sent to the RS-232 channel to indicate that the diagnostic mode has been exited.

DIAGNOSTIC TESTS

Test #	Name	Signal	Nominal Value
1	NONE	No output	0 mV
2	CO MEASURE	CO detector measure value	4500 mV
3	CO REFERENCE	CO detector reference	4200 mV
		value
4	SAMP PRESS	Sample pressure	125 mV
5	SAMP FLOW	Sample flow	3000 mV
6	SAMP TEMP	Sample temperature	3000 mV
7	BENCH TEMP	Optical bench temperature	3900 mV
8	WHEEL TEMP	Outputs filter wheel temp.	3900 mV
9	CHASSIS TEMP	Outputs Chassis temp	2740 mV
10	DCPS VOLT	Outputs DC power	2500 mV
11	DAS AVERAGE	Current DAS average	Any

TABLE 5.1

5.2.1 Signal I/O

The signal I/O diagnostic mode gives the user access to the digital and analog inputs and outputs on the V/F board. The digital outputs can be controlled through the keyboard. Any signals manually changed through the signal I/O menu will remain in effect until you leave the signal I/O menu. At that time the analyzer will regain control of these signals. To enter the signal I/O test mode, press SETUP-MORE-DIAG-ENTR. When the diagnostic mode is entered, a message is sent to the RS-232 channel indicating entry into the diagnostic mode. Use the PREV and NEXT buttons to scroll through the signals. Edit buttons will appear for the signals that can be controlled by the user. Press JUMP to skip to a specific I/O Signal.

Table 5.2 below lists the I/O signals available for the M300:

P/N 02163G1 Teledyne API Model 300 CO Analyzer Instruction Manual - Page 54