Thanks to Howartp pointing me to “zwavescenecontroller.indigoplugin” I’m getting so close but need clarification about how to correctly Manage Associations ?
The RFWDC is clearly recognized. (Group 1-5) as buttons with the sixth button apparently defaulting to (255) as ALL OFF
With Manage Associations I get a dialog as follows
but when I actuate ( group 1) of KS5 I see no log recording or device response ?
Modifying Configuration parameters dialog is a bit intimidating and I don’t know what to enter in Parameter Index and beyond.
what to read ? where to go from here.
The plug in also allowed for the first time recognition of both relays within a ZWN-RSM2 
labeled R1 & R2
