SMA Sensorbox - Manual (Page 49)

SMA Solar Technology AG Startup
Installation Guide Sensorbox-IEN100914 49
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 until finger tight to fix the RS485 communication cable
(torque: 0.8 Nm).
26. If necessary, connect another Sunny SensorBox or RS485 bus node (see pages 46 or 50).
27. Make sure the termination resistor is plugged in (see section 9.2 ”Terminating the RS485 Bus
on the Sunny SensorBox” (page 62)).
28. Close the Sunny SensorBox (see page 61).
☑ The additional Sunny SensorBox is now connected.
D+ GND +12V D-
D+ GND +12V D-
PE
PE
+12 V
F2: OUT
RS485
IP -
+12 V
GND
D +
D -
Wind
+12 V
F2: OUT
RS485
IP -
+12 V
GND
D +
D -
Wind