Using USBTMC instruments in ATEasy 7.0

Knowledge Base Article # Q200125

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Summary This article discusses the methods used to access USB instruments that comply with the USBTMC standard, from within ATEasy 7.0
ATEasy 7.0 has the capability to control two types of USB devices, USBTMC instruments and USB RAW instruments.

The following steps will outline how to install, configure, and use the Keithley 2100 USBTMC DMM instrument - this procedure can be applied to other USBTMC instruments:
  • Plug your USBTMC device into an available USB port on your PC
  • When Windows finds the new hardware, install either the VISA  (if you have installed NI VISA for example) USBTMC driver or the Geotest HW driver
The Geotest HW driver inf file can be found in Program FIiles\Geotest\HW\Hw.inf

Using USBTMC instruments in ATEasy 7.0
  • From within ATEasy, verify that the driver module you want to use supports USBTMC by checking the driver properties. Make sure the USBTMC and USB checkboxes are set
Using USBTMC instruments in ATEasy 7.0
  • Insert the appropriate driver into your System module
Using USBTMC instruments in ATEasy 7.0
  • Right click on the driver shortcut and go to the properties to select "USB" within the interfaces tab. Select your USBTMC device in the drop down menu labled "Device".
Using USBTMC instruments in ATEasy 7.0
  • Make sure the Vendor ID, Device ID, and Serial Number match your device.
Using USBTMC instruments in ATEasy 7.0
  • Your USBTMC device can now be used in ATEasy by accessing the configured driver.
Using USBTMC instruments in ATEasy 7.0

USBTMC devices can also be accessed using the built in ATEasy internal procedures for USB such as USBOpen(), USBSetup(), USBSend(), etc. More information can be found in the ATEasy help under the USB heading.
Article Date 12/2/2008
Keywords ATEasy, USB, USBTMC, VISA

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