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Operating Instructions
Host
RS-232 port
Analyzer
COM2
RS-232
Figure 4-10:
RS-232-Multidrop Host-to-Analyzer Interconnect Diagram
124
Analyzer
COM2
RS-232
7. BEFORE communicating from the host, power on the instruments and check
that the Machine ID (Section 4.11.1) is unique for each. On the front panel
menu, use SETUP>MORE>COMM>ID. The default ID is typically the model
number or "0"; to change the 4-digit identification number, press the button
below the digit to be changed; once changed, 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).
NOTES:
The (communication) Host instrument can address only one instrument at a
time, each by its unique ID (see Step 7 above).
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 T360/T360M Operation Manual
Analyzer
COM2
RS-232
Female DB9
Male DB9
Last Analyzer
COM2
RS-232
Ensure jumper is
installed between
JP2 pins 21
22 in
last instrument of
multidrop chain.
07272B DCN6552
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