Figure 3-16: Rs-232-Multidrop Pca Host/Analyzer Interconnect Diagram - Teledyne T700 Operation Manual

Teledyne API – Model T700 Dynamic Dilution Calibrator
11. On the rear panel of each analyzer, adjust the DCE DTE switch (see Figure 3-4 and
Host
RS-232 port
Analyzer
COM2
RS-232
Figure 3-16: RS-232-Multidrop PCA Host
12. BEFORE communicating from the host, power on the instruments and check that the
13. Next, in the SETUP>MORE>COMM>COM1 menu (do not use the COM2 menu for
14. Press/select ENTER to accept the changed settings, and ensure that COM1 MODE now
15. Press/select SET> to go to the COM1 BAUD RATE menu and ensure it reads the same
06873B DCN6388
Section 5.1) so that the green and the red LEDs (RX and TX) of the COM1 connector
(labeled RS232) are both lit. (Ensure you are using the correct RS-232 cables internally
wired specifically for RS-232 communication; see Table 1-1, "Communication Cables"
and Section 3.3.1.7: Connecting the Communications Interfaces, "RS-232 Connection").
Analyzer
COM2
RS-232
Machine ID code is unique for each (Section 4.7.1).
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.
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.
shows 35.
for all instruments (edit as needed so that all instruments are set at the same baud rate).
Analyzer
COM2
RS-232
/
Analyzer Interconnect Diagram
Getting Started
Female DB9
Male DB9
Last Analyzer
COM2
RS-232
Ensure jumper is
installed between

JP2 pins 21 22 in
last instrument of
multidrop chain.
53