I bought a few of these YD8116 modules mainly for turnouts. For slow motion switch machines it only takes a press of the 'Pgm' button and 1 turnout command to set all addresses for all 8 turnouts as Iain says. Since I use Tortoise switch machines I also needed to buy 4 YD6940 adapters. That works well.
However...
If it's signals you want to configure then the manual recommends either:
- the YD9101 which is a USB to ES-Link config board
or
- a module with an ES-IN connector on it. That module would also need a YD9601ES-Link adapter to connect the modules together side by side.
In fact it's the YD9100 on the website that is for sale. I bought one just to see what the config looked like after pressing the Pgm button. There are tons of config options for signals which I will be using some time in the future. The YD9100 comes with a YD6910ES-LINK adapter so it's probably the easier choice.
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So to summarize in case that was as clear as mud- you can configure the YD8116 for slow motion switch machines without anything special but if you want to configure signals then you need something with an ES-IN connector on it and a YD9601ES-Link adapter OR just buy a YD9100 which isn't expensive.
Oldngrey