User Manual

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56 SPD1000X User Manual
Visual Basic programming examples
Environment: Windows 7 32-bit systerm , Microsoft Visual Basic 6.0
Example Content: Using NI-VISA, access control devices via USBTMC and
TCP/IP, send commands to read the return value.
Follow the steps to complete the example:
1 Open Visual Basic, create a standard application project (Standard EXE).
2 Using the NI-VISA library to set up the project environment, click on the
project's existing tab >> add module. Search for the include folder file
under the NI-VISA installation path in visa32.bas and add the file.
This allows VISA functions and VISA data types to be used in the
program
3、 Add code
（1） Based on USB interface code:
Write Usbtmc_test function.
function USBTMC_test()
This code demonstrates using NI-VISA to send synchronous
read and write commands to a USB Test & Measurement Class