Which meters can Rhino read over RS485 Modbus?

Modbus RTU over RS485 is the most common industrial metering interface in commercial buildings, and the one Rhino sees most often. The meter exposes a two-wire serial bus, and devices on that bus answer requests for numbered registers.

It is also the interface behind the strongest claim Rhino makes about compatibility: because the protocol is open and the access point speaks it natively, any Modbus RTU meter can be read, whether or not the model appears below.

What differs between one Modbus meter and the next is the register map, which says where each value sits. That is configuration work at onboarding, not a compatibility question.