SMA STP 50-40 - Changing Operating Parameters

8 Operation
SMA Solar Technology AG
Operating manual STP50-4x-BE-en-23 77
Procedure:
1. Open the user interface (see Section8.2, page61).
2. Log into the user interface as an User or Installer (see Section8.3, page65).
3. Select the menu User settings.
4. Select [Access rights].
5. Select [Service].
6. Enable or disable service access using the drop-down list:
7. To activate service access permanently, click on [Yes, permanently] in the drop-down list.
8. To enable service access for a specific time, click on [Yes, temporary] in the drop-down list
and adjust the expiration date if necessary.
9. To deactivate service access, click [no] in the drop-down list.
10. Click on [Save] to save the changes.
8.14 Changing Operating Parameters
The parameters of the inverter are set to certain values by default. You can change the parameters
to optimize the performance of the inverter.
This section describes the basic procedure for changing operating parameters. Always change
operating parameters as described in this section.
Some function-sensitive parameters can only be viewed by qualified persons and can only be
changed by qualified persons by entering the personal SMA Grid Guard code. You can request
the SMA Grid Guard code via the Online Service Center.
Requirements:
☐ Changes to grid-relevant parameters must be approved by the responsible grid operator.
Procedure:
1. Open the user interface (see Section8.2, page61).
2. Log into the user interface (see Section8.3, page65).
3. Call up the menu Device parameters.
4. Click on [Edit parameters].
5. Log in using the SMA Grid Guard code to change those parameters designated by a lock
(only for installers). In the menu, select User Settings > SMA Grid Guard Login, enter the
SMA Grid Guard code and select [Login].
6. Expand the parameter group that contains the parameter which is to be configured.
7. Change the required parameters.
8. Select [Save all] to save the changes.
☑ The parameters are set.