SMA SC 500U Installation - Manual (Page 40)

SMA Solar Technology AG
40 SC500U-IUS093411 Installation Guide
7.2.1 Connecting the Data Cable of the Sunny SensorBox
3. Remove the insulation of the data cable by approx.
2.4 in. (60 mm) and uncover the shield.
4. Uncover the wires about 1.8 in. (45 mm).
5. Strip the wires about 0.2 in. (5 mm).
6. Connect the wires to the connector as shown in the
figure on the right.
7. Note down the wire color:
8. Insert the plugs into the socket on the bottom of the
Sunny Sensor 485Hub.
9. Close the Sunny Central.
The operating manual of the Sunny SensorBox shows you
how to connect the data cable in the SensorBox and how
to connect the sensors to the Sunny SensorBox.
Connect the data cable to the socket (A) on the bottom of
the Sunny Sensor 485Hub.
1. Open the Interface Cabinet as described in section
10.2 "Opening the Interface Cabinet" (page 61).
2. Route the data cables separately from AC and DC
cables. Draw the data cable into the Sunny Central
(see section 6 "Attaching the Conduits" (page 35)).
A Sunny Sensor 485Hub socket
B Plug
C Sunny SensorBox
+12 V
GND
D+
D–
SUNNY SENSOR
485HUB
SSB
Communication
Activity
Activity
Power
Power
+12V GND D+ D–
A
2.4 in.
0.6 in. 1.6 in. 0.2 in
+12V GND D+ D-
D+ GND +12V D-
D+ GND +12V D-
+12 V
GND
D +
D - F1: IN
F2: OUT
RS485
D +
D -
PE
PE
C
B
A