Agilent Technologies L4400 - Manual (Page 45)

Software Installation and Configuration 2
L4400 User’s Guide 33
GPIB Configuration
The following information assumes the GPIB interface card has been
installed in your computer. If necessary, install the card as instructed by
the documentation provided with the card.
The L4400 series instruments are available with an optional GPIB
interface. The steps required to configure L4400 instruments for use over
GPIB include:
• connecting the GPIB cables
• adding the instrument to the GPIB interface configuration (using
Agilent Connection Expert)
• changing the instrument GPIB address (systems with multiple L4400
instruments)
• testing the IO path
Each L4400 series instrument is shipped from the factory with a default
GPIB address of 9. Because instruments on the GPIB bus must have
unique addresses, the L4400 instruments must be turned on one at a time,
and the GPIB address changed before the next instrument is turned on
and added to the configuration.
Connecting the GPIB Cables
GPIB cables can be connected in a “star” (all cables connect directly to the
computer) or “linear” (instrument to instrument) configuration.
For systems with multiple L4400 series instruments, turn on only one
L4400 instrument at this time. If there is another instrument on the bus
at GPIB address 9 (i.e. 34980A), turn off that instrument until the address
of the current L4400 instrument is changed.
Starting Agilent Connection Expert
Start Agilent Connection Expert by clicking the Agilent Control icon and
selecting “Agilent Connection Expert” from the pop- up menu (Figure 2- 5).
The computer interfaces configured during installation of the Agilent IO
libraries are displayed in the left column (Explorer pane) including the
GPIB interface if a GPIB card is installed in your computer.
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