Web server is forced to take a secured (HTTPS) connection to WHMI using TLS
encryption. The WHMI is verified with Internet Explorer 8.0, 9.0, 10.0 and 11.0.
WHMI is disabled by default.
WHMI offers several functions.
• Programmable LEDs and event lists
• System supervision
• Parameter settings
• Measurement display
• Disturbance records
• Fault records
• Load profile record
• Phasor diagram
• Single-line diagram
• Importing/Exporting parameters
• Report summary
The menu tree structure on the WHMI is almost identical to the one on the LHMI.
Figure 5: Example view of the WHMI
The WHMI can be accessed locally and remotely.
• Locally by connecting the laptop to the protection relay via the front
communication port.
• Remotely over LAN/WAN.
2.4 Authorization
Four user categories have been predefined for the LHMI and the WHMI, each with
different rights and default passwords.
REC615 and RER615 overview
1MRS758755 C
32 REC615 & RER615
Technical Manual
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