4 connecting the data cable in the sunny central, Connecting the data cable in the sunny central – SMA SSM16-11 User Manual
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6 Electrical Connection
SMA Solar Technology AG
38
SSM16-24-IA-IEN105120
Installation Guide
S
Figure 14: Connection of the data cables between the Sunny String-Monitors
1. Strip 8 mm from each wire in the data cable.
2. Remove the sticker from the communication terminal strip.
3. Connect the wires of the data cable to the connection terminals. Observe the terminal
allocation.
4. Conduct the wiring between the individual Sunny String-Monitors in a bus. Observe the terminal
allocation of the data cable.
6.5.4 Connecting the Data Cable in the Sunny Central
For the Sunny Central 100/200/250/350 and the Sunny Central in the HE--11 series the Sunny
String-Monitor data cable is connected to the hub. There are two communications connections to
which up to 10 Piggy-Backs each can be connected for data processing.
For the Sunny Centrals in the CP and HE-20 series the Sunny String‑Monitor can be connected to a
dedicated terminal strip (please consult the installation guides for the relevant central inverters for how
to connect the Sunny String-Monitors to the Sunny Centrals of the CP and HE-20 series). There are
three communications connections to which up to 10 Piggy-Backs each can be connected for data
processing.