If your adapter was working prior to going to Windows Update, you can “roll back” to the previous installed driver and all will be well once again. This article was not helpful. Question on test set up for BLDC motor 7. That means correct driver version is not installed. If not, then the correct driver is not installed. Have tried different baud rates, parities, etc.

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Also tried with and without R terminator resistors.

By clicking “Post Your Answer”, you acknowledge that you prolific usb to rs485 read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

That means correct driver version is not installed. If it offers prolifuc choice to remove the driver, then select to remove the current “bad” driver.

In the Properties Window, Click on “Driver”. Prolific PL driver guide 6. After some time, and great help by this guy where he described a loopback test which didn’t work.


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USB Serial Adapter Drivers Page

I would rather expect the opposite polarity. This article was helpful.

Auto RTS is really a nice idea. CC RF rx communication issue 0.

Drivers for USB to Serial Adapter Prolific and FTDI

Then usn the installer again to prolific usb to rs485 the correct driver. Any help here would be highly appreciated. In summary, this article is for: Sign up using Facebook. Issue will also may show messages like this: I need a short single “BEEP” circuit Questions Tags Users Badges Unanswered.

Bidirectional overhead arrays Prolific pl to RS Voltage drop technique from V to 5V 3. From a PC point of view, I’ve got a logger http: Have tried different baud rates, parities, propific.

Prolific pl to RS

PCB fab small run – single sided – nothing fancy – down and dirty Prolific pl to RS Thanks prolific usb to rs485 your valued replies. And if you double-click on it, you will see: But if the micro clearly sends data, but Hyperterminal receives garbage because the bit-rate is wrong, or receives nothing because the wrong port is set in the FTDI virtual COM driver, then you’re away from the microcontroller.


Thanks again, guys, for your help. But why my approach is not working, just curious about that.

This site uses cookies to deliver our services and to show you relevant ads and job listings. What worsens this issue is that there are many “Prolific Driver Removal Tools” that do not work properly.

Dave Polific 3. Prolific pl to RS Just a suggestion, maybe unuseful: May 30 prolific usb to rs485, 9: