SMA SC 100LV-560HE - Manual (Page 41)

SMA Solar Technology AG Electrical Connection
Installation Guide SC125_560HE-IEN083220 41
5.1.7 Communication for insulation monitoring
The insulation monitoring is located in the DC cabinet. A 2-wire data line connects the Sunny Central
Control with the insulation monitoring and has to be connected as follows:
• Connection: M (+) clamp insulation monitoring: brown wire
• Connection: M (-) clamp insulation monitoring: white wire
Insulation monitoring with connected data line (A) with Sunny Central 500HE and
Sunny Central 560HE
Attention!
Damage to the cabling through faulty installation.
• Lay the connection cables in the cable channel.
Position of the connection terminal of the insulation monitoring
With the help of the equipment identifier and the provided circuit diagram, the exact
position of the insulation monitoring can be determined.