SMA SUNNY SENSORBOX Installation Manual page 52

Startup
3. Unscrew the lock nut of the cable gland at the top
right of the installed Sunny SensorBox and remove
the filler plugs.
4. Thread the RS485 communication cable through
the lock nut and the cable gland into the enclosure
of the installed Sunny SensorBox.
5
5. Remove 1 ⁄ in. (40 mm) of cable sleeve from the
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RS485 communication cable that is connected to
the installed Sunny SensorBox.
1
6. Strip ⁄ in. (6 mm) of insulation from the wires.
4
7. Twist the cable shield into one string.
8. Pull the insulating tube over the cable shield. Allow
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1 ⁄ in. (40 mm) of the cable shield to stick out of the insulating tube.
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9. Insert the detached cable shield into the terminal.
10. Connect the wires to the "F2: OUT RS485" terminals
of the installed Sunny SensorBox.
Write down the color of the wires:
+12V ________________________
GND ________________________
D+ ________________________
D‒ ________________________
11. Make sure the gasket of the cable gland is properly seated.
12. Screw the lock nut onto the cable gland with a torque of 7 in‑lbs. (0.8 Nm) to fix the RS485
communication cable.
13. Close the installed Sunny SensorBox (see page 66).
☑ The RS485 communication cable is now connected to the installed Sunny SensorBox.
Connection to another Sunny SensorBox
14. Mount the Sunny SensorBox you want to connect as described in section 6 "Mounting the
device" (page 24).
15. Open the Sunny SensorBox (see page 66).
16. Unscrew the lock nut of the cable gland on bottom right of the Sunny SensorBox you want to
connect and remove the filler plugs.
52 Sensorbox-eng-IA-IUS-112515
SMA America, LLC
Installation Manual