Teledyne gfc 7000ta operation manual COM Port Testing

Operating Instructions Model GFC7000TA Carbon Dioxide Analyzer

6.11.9. COM Port Testing

The serial ports can be tested for correct connection and output in the com menu. This test sends a string of 256 ‘w’ characters to the selected COM port. While the test is running, the red LED on the rear panel of the analyzer should flicker.

To initiate the test press the following touchscreen button sequence.

SAMPLE*	RANGE = 500.000 PPM	CO2 =X.XXX
< TST TST > CAL		SETUP
SETUP X.X PRIMARY SETUP MENU
CFG DAS RNGE PASS CLK MORE		EXIT
SETUP X.X SECONDARY SETUP MENU
COMM VARS DIAG		EXIT

Select which

COM port to test.

SETUP X.X	COMMUNICATIONS MENU
ID INET	COM1 COM2	EXIT
SETUP X.X	COM1 MODE:0
SET>	EDIT	EXIT
SETUP X.X	COM1 BAUD RATE:19200
<SET SET>	EDIT	EXIT
SETUP X.X	COM1 : TEST PORT
<SET	TEST	EXIT
SETUP X.X	TRANSMITTING TO COM1		EXIT returns to
<SET	TEST	EXIT	COMM menu
	Test runs
	automatically

Teledyne Analytical Instruments 117