A071176-ANSI V1 EN
Figure 4: LHMI keypad with object control, navigation and command push buttons
and RJ-45 communication port
2.5 Web HMI
The WHMI allows secure access to the protection relay via a Web browser. The supported
Web browser versions are Internet Explorer 9.0, 10.0 and 11.0. When the Secure
Communication parameter in the protection relay is activated, the Web server is forced to
take a secured (HTTPS) connection to WHMI using TLS encryption.The WHMI is
verified with Internet Explorer 11.0.
WHMI is disabled by default.WHMI is enabled by default.
WHMI offers several functions.
• Programmable LEDs and event lists
• System supervision
• Parameter settings
• Measurement display
• DFR 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.
Section 2 1MAC109016-MB C
REF615 overview
24 REF615 ANSI
Application Manual
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