Section 3: Using a remote interface
Model 2450 Interactive SourceMeter® Instrument User's Manual
3-8
2450-900-01 Rev. A / June 2013
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::0x2450::[serial number]::[INSTR]
Where:
•
0x05e6
: The Keithley vendor ID
•
0x2450
: 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
To determine these parameters, you can run 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. Click
Start > Programs > Keithley Instruments > Keithley Configuration Panel
. The Select
Operation dialog box is displayed.
2. Select
Add
.
3. Click
Next
. The Select Communication Bus dialog box is displayed.
