User`s guide

Programming with VISA 3
Agilent VISA User’s Guide 35
Some examples of valid VISA addresses follow.
manufacturer ID Manufacturer’s ID for a USB Test & Measurement
class device
model code Model code of a USB device.
port The port number to use for a TCP/IP Socket
connection.
primary address The primary address of the GPIB device.
secondary address This optional parameter is the secondary address of
the GPIB device. If no secondary address is
specified, none is assumed.
serial number Serial number of a USB device.
USB interface
number
Interface number of a USB device.
VXI logical address Logical address of a VXI instrument within a
mainframe.
Table 8 Examples of Valid VISA Addresses
Address String Description
VXI0::1::INSTR A VXI device at logical address 1 in VXI
interface VXI0.
GPIB-VXI::9::INSTR A VXI device at logical address 9 in a
GPIB-VXI controlled VXI system.
GPIB::1::0::INSTR A GPIB device at primary address 1 and
secondary address 0 in GPIB interface 0.
ASRL1::INSTR A serial device located on port 1.
VXI::MEMACC Board-level register access to the VXI
interface.
GPIB-VXI1::MEMACC Board-level register access to GPIB-VXI
interface number 1.
Table 7 Description of Parameters (continued)