Relay (240#) - SMA SUNNY ISLAND 3.0M Operating Manual

SMA Solar Technology AG

13.2.2.4 Relay (240#)

241# General
No. Name
241.01 Rly1Op
241.02 Rly2Op
241.07 Ex-
tPwrDerMinTm
241.08 Ex-
tPwrDerDltVtg
241.01 Rly1Op: Operating mode of the multifunction relay 1
Value Explanation
Off Off; the multifunction relay is always in idle mode.
On On; the multifunction relay is permanently activated.
AutoGn Automatic generator request: the Sunny Island automatically requests the generator. In the
event of a generator request, the multifunction relay is activated.
AutoLodExt 1‑level load shedding
When the generator is connected, the Sunny Island stops the load shedding. When the loads
are to be shed, the multifunction relay is deactivated.
AutoLod1Soc 1‑level load shedding or first level of 2-level load shedding
When the upper SOC threshold is reached, the Sunny Island ends load shedding. When the
loads are to be shed, the multifunction relay is deactivated.
AutoLod2Soc Second level of 2‑level load shedding
When the upper SOC threshold is reached, the Sunny Island ends load shedding. When the
loads are to be shed, the multifunction relay is deactivated.
Tm1 Timer 1
The Sunny Island controls external processes time-dependently. When the set time
#243 Timer is reached, the multifunction relay is activated.
Operating Manual
Description
Operating mode of the multifunc-
tion relay 1
Multifunction relay 2 function
Minimum time for
ExtPwrDer of the multifunction
relays in minutes
Voltage difference for the
ExtPwrDer function of the multi-
function relay in V
The voltage difference corre-
sponds to the cell voltage of the
battery.
13 Parameters in Sunny Remote Control
Value Explanation
Value and description see fol-
lowing table 241.01 Rly1Op:
Operating mode of the multi-
function relay 1
Value and description see fol-
lowing table 241.01 Rly1Op:
Operating mode of the multi-
function relay 1
0 min to 600 min
0 V to 0.40 V
SI30M-44M-60H-80H-BE-en-33
Default
Value
✓ ✓ AutoGn
✓ ✓ AutoLod
Ext
✓ ✓ 10 min
✓ ✓ 0.15 V
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