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2231-A power supply labview communication

2200-20-5, 2200-30-5, 2200-32-3, 2200-60-2, 2200-72-1, 2220-30-1, 2230-30-1
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sufyank1
Posts: 1
Joined: December 25th, 2020, 10:59 pm
Country: India

2231-A power supply labview communication

Post by sufyank1 » December 25th, 2020, 11:12 pm

Hello,
I am using a CH340 based USB to DB9 converter inorder to communicate with the power supply via serial communication. Even after installing the specific drivers for the converter, I am not able to receive any response from the Power supply, neither through labview nor serial terminals like putty, NI MAX VISA test panel.

Is the keithley converter necessary to communicate with the device? I am attaching screenshots for your reference, please advise.
Attachments
visa.PNG
visa.PNG (4.04 KiB) Viewed 305 times
query.PNG
query.PNG (37.71 KiB) Viewed 305 times
dev_man.PNG
dev_man.PNG (7.99 KiB) Viewed 305 times

Andrea C
Keithley Applications
Keithley Applications
Posts: 1564
Joined: October 15th, 2010, 10:35 am
Country: United States
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Re: 2231-A power supply labview communication

Post by Andrea C » December 30th, 2020, 11:00 am

check the pin out of the CH340 to the DB9 on the rear of the 2231A power supply.
See the attached PDF document for some general info.
Attachments
2231A-30-3_no_util.pdf
2231A RS-232
(365.39 KiB) Downloaded 32 times

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