Plcbus OH2 binding?

The Plcbus binding isn’t in the OH2 Distro anymore (was it ever ?)
Tried installing version 1.9.0.b3
but ends in the following error :
Failed installing ‘openhab-binding-“plcbus”’: No matching features for openhab-binding-“plcbus”/0.0.0
Anyone who has Plcbus working in OH2 ?