Posts Tagged pactware

Changing the COM port for a USB HART modem in Pactware

Posted by danstips in Communications, Configuration, HART, Troubleshooting on November 4, 2015

Written by: Dan Weise

I couldn’t communicate with a HART device. The configuration software I was using, Pactware, thought the USB HART modem was on COM 3, while Windows’ Device Manager showed it was actually on COM 6.

COM Port Post

COM Port Post 2

To change the COM port in Pactware to COM 6, I right clicked COM 3 and selected Parameter:

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