Setting The Functions Of The Multifunction Relays - SMA SUNNY ISLAND 3.0M Installation Manual

SMA Solar Technology AG
10. Switch off the Sunny Island and open the BatFuse load-break
switch quickly.
11. Connect the BatCur+ insulated measuring conductor on the side
for connecting the BatFuse.
12. Connect the BatCur– insulated measuring conductor on the side
for connecting the battery.
13. Close the BatFuse load-break switch quickly and switch on the Sunny Island.
8.1.5

Setting the Functions of the Multifunction Relays

The multifunction relays of the master are preset in an SMA Flexible Storage System and cannot be changed.
In multicluster systems with Multicluster Box 12 (MC-BOX-12.3-20), multifunction relays 1 and 2 in the master of the main
cluster and multifunction relay 1 in slave 1 of the main cluster are set permanently.
Note the function of the multifunction relays in the following table during the electrical connection (see Section 7.4,
page 28).
Table for configuring the operating modes of the multifunction relay (for your own notes):
Multifunction relay
Relay 1 of
Sunny Island inverter/
master
Relay 2 of
Sunny Island inverter/
master
Relay 1 of Slave 1
Relay 2 of Slave 1
Installation manual
Parameter
241.01 Rly1Op
241.02 Rly2Op
244.01 Rly1OpSlv1
244.02 Rly2OpSlv1
Value
SI30M-44M-60H-80H-IA-en-32
8 Commissioning
Function/output
71