SMA SUNNY ISLAND 8.0H - Starting the Generator without Autostart Function; Stopping the Generator without Autostart Function

6 Electrical Connection SMA Solar Technology AG
46 SI80H-60H-OffGrid-IA-en-11 Installation Manual
6.15.2 Connecting the Sunny Remote Control
A data cable is included with the Sunny Remote Control for connection purposes. If the data cable is
not long enough, you can use a long CAT5e-FTP patch cable with an RJ45 plug instead.
Cable requirements:
☐ The length of the data cable must not exceed 20 m.
☐ The data cable must correspond to the CAT5e classification.
Requirement:
☐ The cable feed-through plate must be removed (see Section 6.15.1).
• Lead the RJ45 data cable through the enclosure opening of the cable feed-through plate and
plug it into the Display socket.
6.15.3 Connecting the Cable for Internal Communication between
Clusters
In a cluster, the inverters communicate internally via a black RJ45 data cable.
Requirements:
☐ The total length of the communication bus must not exceed 30 m.
☐ The cable feed-through plate must be removed (see Section 6.15.1).
1. Remove the terminator from the ComSyncOut socket in the master and plug it into the
ComSyncIn socket.
2. Connect the master with slave 1:
• Lead the RJ45 data cable through the enclosure opening of the cable feed-through plate of
the master and plug it into the ComSyncOut socket.
• Lead the other end of the RJ45 data cable through the enclosure opening of the cable feed-
through plate of slave 1 and plug it into the ComSyncIn socket.
3. If the cluster consists of two off-grid inverters, leave the terminator plugged into the ComSynOut
socket of slave 1.
4. If the cluster consists of three off-grid inverters, connect slave 1 to slave 2:
• Remove the terminator from the ComSyncOut socket of slave 1.
• Lead the RJ45 data cable through the enclosure opening for the cable feed-through plate of
slave 1 and plug it into the ComSyncOut socket.
• Lead the other end of the RJ45 data cable through the enclosure opening of the cable feed-
through plate of slave 2 and plug it into the ComSyncIn socket.
• Leave the terminator plugged into the ComSyncOut socket of slave 2.