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4 measurement channels and messages, 1 measurement channels – SMA SB 2800i User Manual

Page 36

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Technical Documentation

Operating Instructions

34

SMA Regelsysteme GmbH

SB2800i-11:FE0504

6.4 Measurement Channels and Messages

If your Sunny Boy 2800i has been equipped with a communication interface, numerous
measurement channels and messages can be acquired. These can help improve the performance
as well as eliminate failures of your plant.

BFR

: System control

SRR

: Current control

6.4.1 Measurement Channels

E-Total

Total power fed to the grid accumulated from the day of installation

Fac

Grid frequency

Störung/Failure

Display of failure type in „ Failure“ state

h-Total

Total sum of operating hours in feeding operation

Iac-Ist

Current fed to the grid

Ipv

Current from PV-panels

Netz-Ein/Power ON

Total number of connections to the grid

Pac

Present output power

Riso

Insulation resistance of PV plant before the connection to the grid

Seriennummer/Serial
number

Serial number of the Sunny Boy

Status/Mode

Display of current operating state

Uac/Vac

Grid voltage

Upv-Ist/Vpv DC

PV input voltage

Upv-Soll /
Vconst-Setpoint

PV setpoint voltage

Zac

Grid impedance