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Getting Started
Host
RS-232 port
Analyzer
COM2
RS-232
Figure 3-17:
•
The Instrument ID's should not be duplicated.
Note
•
The (communication) Host instrument can only address one instrument at a time.
Note
60
Analyzer
COM2
RS-232
RS-232-Multidrop PCA Host
7. BEFORE communicating from the host, power on the instruments and check that
the Machine ID code is unique for each (Section 5.7.1).
a. In the SETUP Mode menu go to SETUP>MORE>COMM>ID. The default ID is
typically the model number or "0".
b. to change the identification number, press the button below the digit to be
changed.
c. Press/select ENTER to accept the new ID for that instrument.
8. Next, in the SETUP>MORE>COMM>COM1 menu (do not use the COM2 menu for
multidrop), edit the COM1 MODE parameter as follows: press/select EDIT and set
only QUIET MODE, COMPUTER MODE, and MULTIDROP MODE to ON. Do not
change any other settings.
9. Press/select ENTER to accept the changed settings, and ensure that COM1 MODE
now shows 35.
10. Press/select SET> to go to the COM1 BAUD RATE menu and ensure it reads the
same for all instruments (edit as needed so that all instruments are set at the same
baud rate).
Teledyne API recommends setting up the first link, between the Host and
the first analyzer, and testing it before setting up the rest of the chain.
Teledyne API – Model T300/T300M CO Analyzer
Analyzer
COM2
RS-232
/
Analyzer Interconnect Diagram
Female DB9
Male DB9
Last Analyzer
COM2
RS-232
Ensure jumper is
installed between
↔
JP2 pins 21
22 in
last instrument of
multidrop chain.
06864B DCN6314
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Table of Contents
Troubleshooting
