Solar-Log Sensor Box Professional Manuel D'installation page 6

2.3 Wiring the Data Cable with the Solar-Log™
The Sensor Box Professional is connected via the RS485 gateway with the Solar-Log™. The 4-core con-
nection cable between the irradiance sensor and the Solar-Log™ is used for data exchange and 12 V power
supply. A separate mains adapter is not necessary.
The connection cable can be extended (max 50 m). Please be sure that the supply voltage 10,5 VDC rea-
ches the end of the connection cable. For longer distance please use a cable with bigger wire cross section.
For outdoor use, the connection must be protected in conformity with IP54. For indoor wiring, please use a
shielded data cable. The shield of the cable must be connected with a potential equalisation. The 4 wires of
the connection cable have to be connected with the Solar-Log™ connection plug.
Warning!
Interchanging the connection cables may result in damage to sensor.
Connection plug Solar-Log™
1 (Data+)
2 (+12 V)
3 (GND)
4 (Data-)
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Sensor Box Professional
Data+ A (brown)
+12 V (red)
GND (black)
Data- B (orange)