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E 41) – SMA Sensorbox User Manual

Page 41

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SMA Solar Technology AG

Startup

Installation Guide

Sensorbox-IEN100914

41

7.5.2 Connecting the RS485-Power Injector to an RS485 Bus Node

RS485 Bus Node

1. Connect the cables to the RS485 bus nodes as described in the RS485 bus node manual.

RS485 Power Injector

2. Remove about 4 cm of cable sleeve from the RS485

Power Injector end of the RS485 communication
cable.

3. Shorten the cable shield by 1.5 cm.
4. Pull back the cable shield and cover with conductive

adhesive film. This is where the shield clamp will be
attached later.

5. Shorten unused wires until flush with the cable sleeve.
6. Strip approx. 6 mm of insulation from the wires.

Connection layout and system wiring
See the RS485 cabling plan poster for the connection layout and system wiring.