System
2-10 72A-1898 Rev. A 11/01
Monday, November 26, 2001 1:09 pm
Triggers The TDR9000 comes with Trigger Input and Trigger Output capabilities.
Trigger Input Trigger Input has three possible sources, selected in the Trigger Source
field, that begin recordings:
None(Internal)
AUX Contact An input that comes in through an Auxiliary
Contact triggers the test.
Trigger In An input that comes in through the Trigger In
connection of the System module and is
conditioned by a delay time, starts the TDR9000
test.
Trigger Output Trigger Output enables the user to operate a circuit breaker using an
input generated by the TDR9000, as connected through the Trigger Out
connectors of the System module.
Serial Interface
Serial communication is via the electrically-isolated PC RS-232
connection and the RS-232 connection on the IBM compatible laptop.
The baud rate of this connection is set at 38.4 kbits/sec. Doble supplies a
twenty-five foot, double-shielded cable for connecting this interface.
Printer
The TDR9000 can be ordered with a Pentax
PocketJet II
™
thermal
printer. The printer provides print outs of Test Plans, tabular results and
graphical results in the field. For easy storage and transport, the printer is
mounted in the Instrument cover. When in use, the printer is connected
to the PC’s parallel port.
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