SMA Sensorbox - Manual (Page 43)

SMA Solar Technology AG Startup
Installation Guide Sensorbox-IEN100914 43
7.5.3 Connecting the RS485 Power Injector to the
Sunny SensorBox
RS485 Power Injector
1. Remove about 4 cm of cable sleeve from the
RS485 Power Injector end of the RS485
communication cable.
2. Shorten the cable shield by 1.5 cm.
3. Pull back the cable shield and cover with conductive
adhesive film. This is where the shield clamp will be
attached later.
4. Shorten unused wires until flush with the cable sleeve.
5. Strip approx. 6 mm of insulation from the wires.
6. Connect the wires with the plug.
Write down the color of the wires:
+12V ________________________
GND ________________________
D+ ________________________
D - ________________________
7. Insert the plug into the "RS485+Power OUT" socket
of the RS485 Power Injector.
☑ The RS485 Power Injector is connected.
NOTICE!
Short circuit due to faulty wiring.
The RS485 Power Injector must be connected directly to the Sunny SensorBox. To avoid
the possibility of a short circuit, do not connect any other RS485 bus node between these
two devices.