SMA CLUSTER CONTROLLER - Manual (Page 25)

4 User Interface of the Cluster Controller
4.1 User Groups and User Rights
The Cluster Controller distinguishes between the user groups User and Installer. To prevent two
users from making changes at the same time via the user interface, only one user can ever be
logged into the Cluster Controller at a time.
The user groups have the following rights:
Right User group
User Installer
Making system settings in the Cluster Controller ✓ ✓
Configuring the Cluster Controller for the local area net-
work (see Section 17.1.1, page 90) ✓ ✓
Changing the HTTP port (see Section 17.4, page 92)
or the NAT port (see Section 17.5, page 92) ✓ ✓
Reading off the inverter power and the inverter parame-
ter settings via the device menu (see Section 4.2.4,
page 29) ✓ ✓
Setting the inverter parameters (see Section 7, page 44
) − ✓
Changing the SMA Grid Guard parameters of devices
(see Section 15.5, page 87) − Only with
SMA Grid Guard code:
✓
Adding devices to the system or replacing devices in the
system (see Section 10, page 57) − ✓
Changing the system password for the user group User
(see Section 15.2, page 83) ✓ ✓
Changing the system password for the user group In-
staller (see Section 15.2, page 83) − ✓
Restarting the Cluster Controller via the user interface
(see Section 18.3, page 112) − ✓
4 User Interface of the Cluster Controller SMA Solar Technology AG / SMA America, LLC
User Manual 25 ClusterController-BA-en-14