SMA SUNNY SENSORBOX Installation Manual page 54

Startup
23. Connect the RS485 communication cable to the
"F1: IN RS485" terminals of the Sunny SensorBox.
Observe the noted wire colors.
24. Make sure the gasket of the cable gland is properly seated.
25. Screw the lock nut onto the cable gland with a torque of 7 in‑lbs. (0.8 Nm) to fix the RS485
communication cable.
26. If necessary, connect another Sunny SensorBox or RS485 bus node (see pages 51 or 55).
27. Make sure the termination resistor is plugged in (see section 9.2 "Terminating the RS485 bus
on the Sunny SensorBox" (page 67)).
28. Close the Sunny SensorBox (see page 66).
☑ The additional Sunny SensorBox is now connected.
54 Sensorbox-eng-IA-IUS-112515
Wind IP -
+12 V
GND
F2: OUT D +
D -
RS485
+12 V
+12V GND D+ D-
+12V GND D+ D-
Wind IP -
+12 V
GND
F2: OUT
D +
D -
RS485
+12 V
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Installation Manual