Interior View

A

DC-in slot for DC connection

B

Jack for connecting the ribbon cable for the connection of the communication assembly to the Power Unit.

C

COM slot with inserted ribbon cables to connect communication assembly and battery interface module with Power Unit

D

Slot for slim ribbon cable to connect Power Unit with battery interface module

E

Auxiliary battery (3.6 V, 2600 mAh, size: AA / 14500)

After switching the black-start switch, energy is made available from the auxiliary battery in order to switch the battery and therefore also the inverter on when they are in sleep mode. The auxiliary battery is designed to function for the entire service life of the product and must not be replaced when used in the usual manner.

F

Slot AC-out for direct connection to utility grid or automatic transfer switch

G

SPS slot for connecting the secure power supply outlet

H

Communication assembly

I

Battery Interface Module

J

Jack to connect switch for secure power supply operation or switch for black start function

K

No function

L

Network ports A and B for connecting a router or network switch and for connecting an SMA Energy Meter

M

USB port for connecting a USB flash drive (for service purposes)

N

Grounding point for the grounding conductor of the utility grid, the outlet for secure power supply operation and, if necessary, an additional grounding or for the equipotential bonding

O

Shield clamps for the connection of the cable shields of the RS485 communication cables

P

Shield clamps for the connection of the cable shields of the battery communication cables

Q

Grounding point for grounding the battery/batteries

R

Jacks BAT1 to BAT4 for the connection of the battery communication cable and the communication cable of the automatic transfer switch

S

Jack DISPLAY for the LED assembly connection in the enclosure lid of the Connection Unit

T

Terminal blocks for DC connection