Agilent Technologies FS2010 Guide de l'utilisateur Page 99

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Programming via GPIB and VXI 4
Agilent VISA User’s Guide 99
GPIB-VXI Interfaces Overview
As shown in the following figure, a typical GPIB- VXI
interface consists of a GPIB card (82350 or equivalent) in a
Windows PC that is connected via a GPIB cable to an
E1406A Command Module. The E1406A sends commands to
the VXI instruments in a VXI mainframe. There is no direct
access to the VXI backplane from the PC.
E8491 PC Card
Windows PC
. . .
Interface VISA Name
VISA Name
"VXI0"
VISA Addressing
viOpen (... "VXI0::24::INSTR"...)
VXI Interface (E8491B IEEE-1394 to VXI Module)
Open IO path to VXI instrument at logical address 24 using
E8491 PC Card and E8491 IEEE-1394 to VXI Module
E
8
4
9
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VXI Mainframe
IEEE-1394 to VXI
LA 8 LA 24 LA 16
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