Inverter Address Configuration - ABB VSN700 Product Manual

VSN700 Data Logger Product Manual

Inverter address configuration

ABB's legacy Power-One inverters (PVI, UNO, TRIO) may only use, or are configured to use, a
proprietary communication protocol called Aurora Protocol. To monitor these inverters with a
Residential or Commercial model VSN700, they must be attached to the Secondary RS-485 port
on the data logger. ABB inverters (PVS, PRO, TRIO) may only use, or are configured to use,
Modbus RTU protocol and must be attached to the Primary RS-485 port on Commercial data
loggers. Modbus devices are not supported by the Residential data logger. The RS-485 ports on
the Max version data logger are configurable for either protocol. In any case, all inverters
connected in a daisy chain must use, or be configured to use, the same communication protocol
and protocol settings. For systems with multiple inverters, each inverter in a daisy chain must be
manually assigned a different RS-485 address. Refer to the inverter manual(s) for instructions on
how to set inverter addresses and exact inverter connection points. Write down the serial number
and RS-485 address for each inverter so you can determine which inverter is which on the
monitoring system.
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