SMA SC 500CP XT - Manual (Page 20)

Symbol Designation Explanation
DC side Representation of the instantaneous value
• PV power in W
• Insulation resistance in Ω
• PV current in A
• PV voltage in V
• Diagram of string-current monitoring
– Diagram 132 and 133: Group currents of the individual Sunny
String‑Monitors
– Diagram 140 to 146: String currents of the individual Sunny
String‑Monitors
String-current monitoring of
the DC side Representation of the instantaneous values of the string-current monitoring
of the individual Sunny String-Monitors
Switch on DC or AC side
closed If you see this symbol between the "DC side" symbol and the "Inverter
data" symbol, the DC switchgear is closed.
If you see this symbol between the symbol "Inverter data" and the symbol
"AC side", the AC disconnection unit is closed.
Switch on DC or AC side
open If you see this symbol between the "DC side" symbol and the "Inverter
data" symbol, the DC switchgear is open.
If you see this symbol between the symbol "Inverter data" and the symbol
"AC side", the AC disconnection unit is open.
Status of switches on DC or
AC side unknown If you see this symbol between the "DC side" symbol and the "Inverter
data" symbol, the switch status of the DC switchgear is not known.
If you see this symbol between the symbol "Inverter data" and the symbol
"AC side", the switch status of the AC disconnection unit is unknown.
Inverter data Representation of the following inverter data:
• Device type
• Operating state
• Symbol for utility grid menu
• Symbol for temperature display
• Symbol for fan display
3 Product Overview SMA Solar Technology AG
User Manual SCCPXT-BA-E4-en-54 20