SMA SC 500HE-US Installation - Manual (Page 48)

8 Electrical Connection SMA America, LLC
48 SC500HEUS-IA-US_en-14 Installation Manual
8.2 Connection in Control and Interface Cabinet
8.2.1 Connection Area for Analog inputs and auxiliary power
The illustration below shows the connecting area for analog inputs and auxiliary power.
Position Description
A Analog input limiting active power 4 mA to 20 mA
B Analog input set point reactive power 4 mA to 20 mA
C External start/stop
D Fault external transformer
E 208 V external control voltage
A B C D E