3: Using a remote interface Model 2450 Interactive SourceMeter® Instrument
3-6 2450-900-01 Rev. C / December 2013
Install LXI Discovery Browser software on your computer
You can use the LXI Discovery Browser to identify the IP addresses of LXI-certified instruments.
Once identified, you can double-click the IP address in the LXI Discovery Browser to open the web
interface for the instrument.
The Keithley LXI Discovery Browser is available on the instrument CD. It is also available on the
Keithley Instruments website
(http://www.keithley.com).
To locate the Keithley LXI Discovery Browser on the Keithley website:
1. Select the Support tab.
2. In the model number box, type 2450.
3. From the list, select Software and click the search icon. A list of software applications for the
instrument is displayed.
4. See the readme file included with the application for more information.
For more information about the LXI Consortium, see the LXI Consortium website
(http://www.lxistandard.org/).
Run the LXI Discovery Browser
To run the LXI Discovery Browser software:
1. From the Windows Start menu, select Keithley Instruments.
2. Select LXI Discovery Browser, and then double-click LXI Discovery Browser. The Keithley LXI
Discovery Browser window is displayed.
The Browser displays the instruments that it finds on the network and their associated IP
addresses.
3. Double-click an IP address in the LXI Discovery Browser dialog box. The instrument web page for
that instrument opens.
For information about using the web page, see the "Web Interface" topic in the Model 2450 Reference
Manual.
USB communications
To use the rear-panel USB port, you must have the Virtual Instrument Software Architecture (VISA)
layer on the host computer. See "How to install the Keithley I/O Layer" in the Model 2450 Reference
Manual for more information.
VISA contains a USB class driver for the USB Test and Measurement Class (USBTMC) protocol that,
once installed, allows the Microsoft
®
Windows
®
operating system to recognize the instrument.
When you connect a USB device that implements the USBTMC or USBTMC-USB488 protocol to the
computer, the VISA driver automatically detects the device. Note that the VISA driver only
automatically recognizes USBTMC and USBTMC-USB488 devices. It does not recognize other USB
devices, such as printers, scanners, and storage devices.
In this section, "USB instruments" refers to devices that implement the USBTMC or
USBTMC-USB488 protocol.
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