Figure 2-11. Rs-232-Multidrop Pca Host/Calibrator Interconnect Diagram - Teledyne T750 User Manual

Host
RS-232 port
Calibrator
COM2
RS-232
Figure 2-11. RS-232-Multidrop PCA Host
7. Before communicating from the host, power on the instruments and check
8. Next, in the Setup>Comm>COM1 menu (do not use the COM2 menu for
9. Also check the COM1 Baud Rate to ensure it reads the same for all
Note
RS-485 C
ONNECTION
As delivered from the factory, COM2 is configured for RS-232 communications. This port
can be reconfigured for operation as a non-isolated, half-duplex RS-485 port. Using COM2
for RS-485 communication disables the USB port. To reconfigure this port for RS-485
communication, please contact the factory.
083730750B DCN8606
Calibrator Calibrator
COM2
RS-232
that the Machine ID code is unique for each.
a. Navigate to Setup>Vars>Instrument ID.
b. to change the identification number, select the VAR, press the Edit
button and use the keypad to assign a new ID
c. Press/select ENTER to accept the new ID for that instrument.
multidrop), use the Edit button to set COM1 Quiet Mode and COM1 Multidrop
to ENABLED; then press the Accept button.
instruments (edit if needed and press the Accept button).
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 calibrator, and testing it before setting up the
rest of the chain.
COM2
RS-232
JP2 pins 21
/
Calibrator Interconnect Diagram
Female DB9
Male DB9
Last Calibrator
COM2
RS-232
Ensure jumper is
installed between
↔
22 in
last instrument of
multidrop chain.
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