SMA 5000TL - Configuring the Modbus Function

☐ The inverter must be registered in the communication product.
☐ The changes to the grid-relevant parameters must be approved by the responsible grid
operator.
☐ When changing grid-relevant parameters, the SMAGridGuardcode must be available (see
"Application for SMAGridGuard Code" at www.SMA-Solar.com).
Procedure:
1. Call up the user interface of the communication product or software and log in as Installer or
User.
2. If required, enter the SMAGridGuardcode.
3. Select and set the required parameter.
4. Save settings.
8.6 Configuring the ModbusFunction
The Modbus interface is deactivated by default and the communication ports 502 set. In order to
access SMA invertes with SMA Modbus
®
or SunSpec
®
Modbus
®
, the Modbus interface must be
activated. After activating the interface, the communication ports of both IP protocols can be
changed.
For information on commissioning and configuration of the Modbus interface, see the Technical
Information "SMAModbus® Interface" or in the Technical Information "SunSpec® Modbus®
Interface" at www.SMA-Solar.com.
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.
• 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.
– In order to deactivate the Modbus interface, reset the inverter to default settings or
deactivate the activated parameter again.
Procedure:
• Activate the Modbus interface and adjust the communication ports if necessary (see the
Technical Information "SMAModbus® Interface" or "SunSpec® Modbus® Interface" at
www.SMA-Solar.com).
8Configuration
SMA Solar Technology AG
Operating ManualSTP5-12TL-20-BE-en-1550