I see some youtube videos and one post here showing how it is possible to tune the PID with an RS232 cable on a HBS86 driver, but what about a HSS86? Is that possible? What is the difference between the 2 drivers?

Drivers I'm looking at here, HSS86 seems to be the only type easily available here.

https://www.ebay.co.uk/itm/UK-3-Sets...C/401726827393