Simply put, Brownfield refers to Legacy or older equipment while Greenfield refers to new installations. Most likely Greenfield installations have some sort of connected IIoT services.
Brownfield describes most Industrial installations. Brownfield factories are also likely peppered with some newer Greenfield or semi-Greenfield equipment. Conscious excels in bringing everything together in a Hybrid approach. A Conscious unit can be mounted to an older electric motor while another Conscious Smart Sensor unit is mounted to a new piece of equipment with both reporting to your dashboard. Both the Brownfield and Greenfield equipment communicates to the Conscious Dashboard which you can view at any time from a Tablet, PC, or Mobile Phone.