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CommunicationsTeledyne API – Model T300/T300M CO Analyzer
Teledyne Analytical Instruments 142
Figure 6-2: COMM Port Baud Rate
6.2.3. COM PORT TESTING
The serial ports can be tested for correct connection and output in the COMM menu.
This test sends a string of 256 ‘w’ characters to the selected COM port. While the test is
running, the red LED labeled TX for that COM port on the instrument’s rear panel
analyzer should flicker.
To initiate the test, access the COMMUNICATIONS Menu (SETUP>MORE>COMM),
then press:
Select
COMM
te
s
SETUP X.X COMMUNICATIONS MENU
ID INET COM1 COM2 EXIT
SETUP X.X COM1 : TEST PORT
<SET TEST EXIT
SETUP X.X TRANSMITTING TO COM1
<SET TEST EXIT
SETUP X.X COM1 MODE:0
SET> EDIT EXIT
SETUP X.X COM1 BAUD RATE:19200
<SET SET> EDIT EXIT
EXIT
re
t
COMM
Test runs
automatically
Figure 6-3: COMM – COM1 Test Port