SMA SUNNY BOY 3.8-US Instructions D'installation page 40

6 Electrical Connection
5. Unlock the terminal points of the 4-pole terminal
block.
6. Connect the conductors of the RS485
communication cables to a 4-pole terminal block. To
this end, insert the conductors into the terminal
points and unlock the terminal points by pressing the
lever down. Observe the terminal block assignment.
7. Make sure that the conductors are plugged into the terminal points tightly by pulling slightly on
the conductors.
8. Insert the 4-pole terminal block for the
communication connection into the jack BATx on the
battery interface module.
9. Press the RS485 communication cable with cable
shield into the shield clamp on the busbar below the
communication assembly.
10. Connect the RS485 cable to the energy meter (see energy meter manual).
40 SBSxx-US-10-IA-xx-11
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Installation Manual