SMA Sunny Boy Series - Operating Mode: Error Message; Operating Mode: Self-Consumption

Multifunction Relay SMA Solar Technology AG
14 ZusFunktNG-TB-en-25 Technical Description
Selecting the Operating Mode via Bluetooth
3.3.2 Operating Mode: Error Message
To use the multifunction relay as fault indicator contact, you only need to select the operating mode
"FltInd" or "Fault indication". You determine whether the fault indicator displays errors or undisturbed
operation via the type of connection as described in Section 3.2.2"Connection for the Control of a
Load" (page11).
3.3.3 Operating Mode: Self-Consumption
In this operating mode the relay switches after a minimum time, in which the power was above a
certain limiting value. It then remains switched on for a configurable minimum duration.
Parameter Setting via RS485
Name Description Value Explanation Default
value
Operating mode of
the multifunction
relay
Operating mode of
the multifunction
relay
Error message Fault indicator contact Error
message
Self-consumption Power-dependent
control of self-
consumption
Fan control Control of an external
fan
Control via
communication
Control of external
loads via
communication
devices
Battery storage
system
Charging the battery
Switching status of
the grid relay
Display switching
status of the grid relay
Name Description Range Default
value
Mlt.MinOnPwr Minimum start-up power, tripping
level for self-consumption function
100 W to nominal
power
1,500 W
Mlt.MinOnPwrTmm Minimum time for which the minimum
start-up power must be fed in for the
relay to switch
0 min to 1,440 min 30 min
Mlt.MinOnTmm Minimum duration for which the
relay remains switched on
1 min to 1,440 min 120 min