12-11-2009 10:36 AM
Anyone know how to comunicate with a Yokogawa WT500 power analyzer through USB?
I have the Yokogawa LV vi's and have installed the USB driver but the WT500 does not show up in MAX and USB does not seem to be an option in the VISA resourse.
It is not showing up as a comm port either.
Solved! Go to Solution.
12-11-2009 01:25 PM - edited 12-11-2009 01:26 PM
Are you sure that the instrument supports communication over the USB port. The specs on Yokagawa's site only mentions saving measured data to USB memory.
12-11-2009 03:12 PM - edited 12-11-2009 03:15 PM
Got it working...
The USB drivers must be installed as a "USB Test and Measurement Device" not the native "Yokogawa WT500" USB device for VISA and Measurement & Automation Explorer to see it.
So you have to not let Windows just find the drivers and install them.
You have to select "Have Disk", "let me chose driver to install" ,and "Show all compatible devices"
If that makes any sense?
Now in Windows Device Manager it shows up under USB Test and Measurement Devices where before it showed up as Yokagowa USB Device.
12-11-2009 04:01 PM
Yes, that makes sense. Strange that the Yokogawa web site does not mention the USB port for remote control.
03-14-2014 02:01 PM
It works now, thank you for sharing this great solution.
07-16-2014 01:50 PM
01-23-2025 07:17 AM
Thanks a bunch. This still solved it 16 years later.
It also changes the driver to be a USBTMC device. This is why I tend to run all instruments on Ethernet instead to not have to fiddle with a million odd USB driver settings... but good that this worked!