34 SB3-5TL-21-BE-en-10 Operating Manual
7 Initial Start-Up SMA Solar Technology AG
☑ The inverter will adopt the setting after commissioning. This can take up to five minutes.
7.3 Setting the NetID
By default, the NetID is set to 1 for all SMA inverters and SMA communication products with
Bluetooth. If your PV system consists of one inverter and no more than one other Bluetooth device
(e.g. computer with Bluetooth or SMA communication product), you can leave the NetID set to 1.
You must change the NetID in the following cases:
• If your PV system consists of one inverter and two other Bluetooth devices (e.g. computer with
Bluetooth interface and SMA communication product) or multiple inverters with Bluetooth, you
must change the NetID of your PV system. That enables communication with multiple Bluetooth
devices.
• If there is another PV system with Bluetooth within 500 m of your PV system, you must change
the NetID of your PV system. This will help separate both PV systems from each other.
• If you do not want to communicate using Bluetooth, deactivate communication via Bluetooth on
your inverter. This protects your system from unauthorized access.
All Bluetooth devices in one PV system must have the same NetID. Before commissioning, you can set
a new NetID in the inverter by using rotary switch C. The setting is adopted after commissioning.
This can take up to five minutes.
2.
Danger to life due to high voltages
• Ensure that the inverter is open and no voltage is present (see Section 10, page 47).
3. Set the rotary switches A and B to the required
position using a flat-blade screwdriver
(blade width: 2.5 mm).
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