3 Product Overview
SMA Solar Technology AG
Maintenance Manual
SCCPXT-E7-WA-en-37
18
Symbol
Designation
Explanation
DC side
Representation of the instantaneous values
• PV power in W
• Insulation resistance in Ω
• PV current in A
• PV voltage in V
• Diagram of string-current monitoring
– Diagram 132 to 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 contactor 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 contactor 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 contactor 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
Summary of Contents for SUNNY CENTRAL 1000CP XT
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