Figure 4-10.Multidrop Pca Host/Analyzer Interconnect Diagram - Teledyne T101 Operation Manual

Operating Instructions
Host
RS-232 port
Analyzer
COM2
RS-232

Figure 4-10.Multidrop PCA Host/Analyzer Interconnect Diagram

Teledyne ML recommends setting up the first link between the Host and the first analyzer and testing it
The (communication) Host instrument can address only one instrument at a time, each by its unique ID
118
Analyzer
COM2
RS-232
7. BEFORE communicating from the host, power on the instruments and
check that the Instrument ID code is unique for each (see 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.
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).
before setting up the rest of the chain.
(see step 7 above).
Teledyne ML – T101 Operation Manual
Analyzer
COM2
RS-232
Note
Female DB9
Male DB9
Last Analyzer
COM2
RS-232
Ensure jumper is
installed between
↔
JP2 pins 21 22
in last instrument
of multidrop chain.