Authorization - ABB Relion SMU615 Technical Manual

Section 2
SMU615 overview
2.4
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Figure 4: Example view of the WHMI
The WHMI can be accessed locally and remotely.
• Locally by connecting the laptop to the merging unit via the front communication
port.
• Remotely over LAN/WAN.
WHMI is enabled by default on the rear port and always enabled (cannot be disabled)
on the front port.
If the WHMI is accessed locally via the front communication port, the following
features are available.
• Setting the merging unit to test mode and testing of outputs
• Trip circuit lockout reset
• Restoring factory settings

Authorization

Four user categories have been predefined for the WHMI, each with different rights
and default passwords.
The default passwords in the merging unit delivered from the factory can be changed
with Administrator user rights.
1MRS758407 B
SMU615
Technical Manual