SMA Sensorbox User Manual
Page 55
SMA Solar Technology AG
Startup
Installation Guide
Sensorbox-IEN100914
55
7.6.3 Connecting the Sunny SensorBox to the SMA Power Injector
with Bluetooth
SMA Power Injector with Bluetooth
1. Remove 4 cm of cable sheath from the RS485
communication cable that is connected to the SMA
Power Injector with Bluetooth.
2. Strip approx. 6 mm of insulation from four wires.
3. Shorten the unused wires and the cable shield until flush with the cable sleeve.
4. Connect the wires with the plug.
Write down the color of the wires:
+12V ________________________
GND ________________________
D+ ________________________
D - ________________________
5. Insert the plug into the "DEVICE" socket of the SMA Power Injector with Bluetooth.
6. Route the RS485 communication cable from the SMA Power Injector with Bluetooth to the
Sunny SensorBox.
Sunny SensorBox
7. Open the Sunny SensorBox (see page 61).
8. Unscrew the cable gland's lock nut on the bottom right of the Sunny SensorBox and remove the
filler plugs.
NOTICE!
Damage to the SMA Power Injector with Bluetooth or the bracket.
The SMA Power Injector with Bluetooth can loosen itself from the bracket and fall off.
• Be sure to hold the SMA Power Injector with Bluetooth firmly in place when removing
or inserting cables.
NOTICE!
If connected improperly, the SMA Power Injector with Bluetooth will not work
properly.
Only one Sunny SensorBox may be connected to the "DEVICE" socket.
• Do not connect any other devices to the "DEVICE" socket.