SUNNY WEBBOX - User Manual - SMA Solar Technology AG
SUNNY WEBBOX - User Manual - SMA Solar Technology AG
SUNNY WEBBOX - User Manual - SMA Solar Technology AG
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<strong>SMA</strong> <strong>Solar</strong> <strong>Technology</strong> <strong>AG</strong> Commissioning<br />
6.8.2 Connecting the Sunny WebBox to the RS485 Communication<br />
Bus<br />
This section describes how to connect the Sunny WebBox to the RS485 communication bus. It will be<br />
assumed that the Sunny WebBox is located at the end of the RS485 communication bus.<br />
RS485 cabling and pin assignment in the system<br />
See the RS485 cabling plan poster for the system cabling and pin assignment.<br />
1. Connect cables to the RS485 bus nodes as described in the bus node manual.<br />
2. Remove 40 cm from the cable sleeve of the RS485<br />
communication cable on the side of the Sunny<br />
WebBox.<br />
3. Remove shielding until flush with cable sleeve.<br />
4. Strip approx. 6 mm of insulation from the ends of the conductors.<br />
Connect the insulated conductors of the cable to the plug connector correctly<br />
Note the color of the insulated conductors of the communication cable.<br />
2 | D+ ________________________<br />
5 | GND ________________________<br />
7 | D- ________________________<br />
<strong>User</strong> <strong>Manual</strong> SWebBox-BEN111033 37
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