7½ Digit Multimeter User's Manual Section 3:
DMM7510-900-01 Rev. C / September 2019 3-9
Communicate with the instrument
For the instrument to communicate with the USB device, you must use NI-VISA
TM
. VISA requires a
resource string in the following format to connect to the correct USB instrument:
USB0::0x05e6::0x7510::[serial number]::INSTR
Where:
• 0x05e6: The Keithley vendor ID
• 0x7510: The instrument model number
• [serial number]: The serial number of the instrument (the serial number is also on the rear
panel)
• INSTR: Use the USBTMC protocol
The resource string is displayed on the bottom right of the System Communications screen. Select
Menu, then Communication to open the System Communications menu and select the USB tab.
You can also retrieve the resource string by running the Keithley Configuration Panel, which
automatically detects all instruments connected to the computer.
If you installed the Keithley I/O Layer, you can access the Keithley Configuration Panel through the
Microsoft
®
Windows
®
Start menu.
To use the Keithley Configuration Panel to determine the VISA resource string:
1. Select Start > Keithley Instruments > Keithley Configuration Panel. The Select Operation
dialog box is displayed.
Figure 16: Select Operation dialog box