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7102
User's Guide
10-2
10.1 Serial Communications
The calibrator is installed with an RS-232 serial interface that allows serial digital
communications over fairly long distances. With the serial interface the user may
access any of the functions, parameters and settings discussed in Section 9 with
the exception of the baud rate setting.
10.1.1 Wiring
The serial communications cable attaches
to the calibrator through the DB-9 connector
at the back of the instrument. Figure 8
shows the pin-out of this connector and
suggested cable wiring. To eliminate noise
the serial cable should be shielded with low
resistance between the connector (DB-9)
and the shield. If the unit is used in a heavy
industrial setting, the serial cable must be
limited to ONE METER in length.
10.1.2 Setup
Before operation the serial interface must
first be set up by programming the baud
rate and other configuration parameters.
These parameters are programmed within
the serial interface menu. The serial
interface parameters menu is outlined in
Figure 7 on page 32.
F
Figure 8. Serial Cable Wiring
To enter the serial parameter programming mode first press “EXIT” while
pressing “SET” and release to enter the secondary menu. Press “SET”
repeatedly until the display reads “PAr”. Press “UP” until the serial interface
menu is indicated with “Serial”. Finally press “SET” to enter the serial parameter
menu. In the serial interface parameters menu are the baud rate, the sample
rate, the duplex mode, and the linefeed parameter.
1.888.610.7664 sales@GlobalTestSupply.com
Fluke-Direct.com
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