SMA Sunny Tripower CORE2 - Resetting the Arc-Fault Circuit Interrupter (AFCI); Configuring the Modbus Function

10 Operation
SMA Solar Technology AG
Operating manual STP110-60-BE-en-16 63
☐ You are logged in on the user interface as Service provider (see Section10.2.2, page57).
Procedure:
• In the parameter group Extended Model 2-1 RW select the parameter AFCIActivationEn
and set it to On.
Also see:
• Arc-Fault Circuit Interrupter (AFCI)⇒page23
10.11 Resetting the arc-fault circuit interrupter (AFCI)
The basic procedure for changing operating parameters is explained in another section (see
Section10.6, page61).
After 5 detections per day the inverter must be reconnected manually via the user interface of the
inverter.
Requirements:
☐ Your inverter is equipped with AFCI. The type label of your inverter indicates whether your
inverter has AFCI.
☐ You are logged in on the user interface as Service provider (see Section10.2.2, page57).
Procedure:
• In the parameter group Extended Model 2-1 RW select the parameter Clear
AFCIAlarmEn and set it to On.
Also see:
• Arc-Fault Circuit Interrupter (AFCI)⇒page23
10.12 Configuring the ModbusFunction
Measures for data security during activated Modbus interface
If you activate the Modbus interface, there is a risk that unauthorized users may access and
manipulate the data or devices in your PV system.
To ensure data security, take appropriate protective measures such as:
• Set up a firewall.
• Close unnecessary network ports.
• Only enable remote access via VPN tunnel.
• Do not set up port forwarding at the communication port in use.
Requirements:
☐ You are logged in on the user interface as Installer (see Section10.2.1, page56).