We are pleased to offer LabVIEW^â drivers for most of the computer controllable instruments in our product range, available by free download from this site.

What's Included?
In accordance with National Instrument's recommendations, all drivers that operate instruments via GPIB or RS232 serial interfaces use the NI VISA software extensions. The advantage of this is that they are portable to any platform supported by LabVIEW and NI VISA, not only the PC, and that it is possible to build systems using multiple instances of the same instrument. For example, two model 7265's used for ratiometric spectroscopy can be operated from the same program. Drivers for the models 3820, 3830, Eclipse and FastFlight-2 use an underlying ActiveX control for instrument communication, and hence will only work on computers running Windows.

Each driver includes a basic VI to handle communications to and from the instrument. This generally takes the form of a VISA Write/Read VI that will write any of the commands listed in an instrument's instruction manual to the instrument and handles the response, if any. Complex responses, such as curve downloads and responses to compound commands are decoded correctly, and the VI operates via either the RS232 or GPIB interfaces. It also generally determines the instrument's status (e.g. overload and reference lock) and makes these available as Boolean outputs.

Other basic VI's are supplied to open and close VISA sessions, to determine the instrument's status, firmware revision and perform a reset operation.

The next level of VI's support the different instrument controls and read the required outputs. These VI's are unusual since they have the capacity to save the last setting sent to the instrument so that if called repeatedly they do not generate unnecessary commands over the interface, thereby speeding up programs that use them.

At the top level the drivers include some Application Examples and a Getting Started VI. The latter operates essentially as a "static interface" routine, and is a good template to use for building your own program, while the Application Examples generally take the form of a soft front panel and show how the lower level VIs can be combined to yield a useful program.

Software Requirements - Drivers for LabVIEW version 8.2
In order to use the drivers you will need LabVIEW version 8.2 or later.

Software Requirements - Drivers for LabVIEW version 7.1
In order to use the drivers you will need LabVIEW version 7.1 or later.

Software Requirements - Drivers for LabVIEW version 6.0
In order to use the drivers you will need LabVIEW version 6.0 or later.

Software Requirements - Drivers for LabVIEW version 4.0
In order to use the drivers you will need LabVIEW version 4.0.1 or later.

Software Requirements - All Drivers (Except those for the FastFlight-2, Eclipse DSA, Model 9826, Model 9846, Model 3820 and model 3830)
National Instrument's VISA software extensions are required. You should therefore ensure that you have these extensions loaded. On a PC, the quickest way to do this to to check that the file VISA32.DLL is in you windows/system folder. If it is not, try re-installing LabVIEW and check that you choose the option to install VISA, or visit NI's website and download the latest driver. Click here to get to the NI VISA downloads page.

For unlisted instruments we may have a basic, unpublished, driver available. Please e-mail your request to service@signalrecovery.com

Click here to proceed to the downloads page

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