boolean LCN_AddGroup (int $InstanceID, int $Group)
Instance ID; the ID of the splitter instance, not the device instance
Group number (1..255)
If the command succeeds, it returns TRUE, otherwise FALSE.
Adds the device with ID InstanceID to the group with group number Group.
//The device with ID 12345 is added to group 123 LCN_AddGroup(12345, 123);