SMA Solar Technology AG Electrical Connection
Installation Guide STP10-17TL-IEN102611 43
6.5 Setting the Country Standard and Display Language
The inverter can be configured for various countries. This can be done via two rotary switches in the
inverter or by configuring the "CntrySet" and/or "Set Country Standard" parameter using a
communication device (e.g. Sunny WebBox or Sunny Explorer).
The switch position 0 / 0 indicates the delivered state. If you have ordered the inverter with specific
country settings, these will have already been preset in the factory via a communication device. In this
case, you will not be able to recognize the setting by the switch position. If changes are made via the
rotary switches or via a communication device, these settings will be overwritten and cannot be
automatically restored. For devices ordered without any specified country of installation, the standard
setting is "VDE0126-1-1" and the language is German.
Changes will be immediately accepted after switching the line circuit breaker on. If an un-
programmed switch setting is selected, the inverter issues an error message.
Grid Guard Protected Country Data Sets
In some countries, the local power supply line requirements demand a mechanism which prevents the
parameters for grid feeding from being able to be changed. Some country data sets are therefore
protected and can only be unlocked with a personal access code, the so-called SMA Grid Guard
code.
Grid Guard protected country data sets are automatically blocked for 10 feed-in hours after
commissioning, or after the last alteration. If the country data set is changed after these 10 feed-in
hours, the inverter will not accept the changes and displays the error message "Grid parameter
locked". If,however, a later change to the country data set only relates to a change of the display
language, this change is immediately taken on.
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