PV Powered 2500 Guía de instalación descargar pdf (Pagina 60)

The Communication Interface SMA Technologie AG

Page 60 SB25_30-11:SE0307 Installation Guide

11.1 Connection of the Communication Interface

1. Open the inverter as described in section 7.1.

2. Guide the PG screw fitting over the communication cable.

3. Thread the cable through the cable feed-through (A) on the Sunny Boy.

4. Screw the PG screw fitting onto the Sunny Boy.

5. Sheathe the cable inside the Sunny Boy using the silicone tube provided. The

silicone tube is imperative for safety reasons. Without this silicone tube, the

interface is not to be operated.

6. Lay the cable in area (B) as shown in the figure to the right.

7. Ground the cable shield at the PE connector (C) if the connection plan of the

communication device indicates this as necessary.

8. Connect the communication wires to the screw terminal strip (D) as described in

the connection plan of the communication device. Note down the connector color

coding for the respective pin numbers. Connecting the receiver incorrectly can

cause the devices to be damaged.

- Pin 2 color:

- Pin 3 color:

- Pin 5 color:

- Pin 7 color:

9. Connect the jumpers (E) if the connection plan of the communication device

indicates this as necessary. The table shown to the right provides an overview of

the jumper functions.

10. Plug the communication interface onto the board (F).

11. Close the Sunny Boy as described in section 7.2.

Warning!

When opening the Sunny Boy, follow all the safety instructions as

described in section 3.

Electrostatic discharges are an acute danger to the Sunny Boy and to the

communication interface. Ground yourself by touching PE before removing the

communication interface from the packaging, and before touching any

components within the Sunny Boy.

Read the communication device manual before beginning installation work.

Further wiring details can be found there.

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PV Powered 2500 Guía de instalación Pagina 60