Web Hmi - ABB RELION REX640 Operation Manual

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Web HMI

The WHMI allows secure access to the protection relay via a Web browser. The WHMI
is verified with Google Chrome, Mozilla Firefox and Microsoft Edge.
Figure 9: Example view of the Web HMI
WHMI offers several functions. The menu tree structure on the WHMI is almost
identical to the one on the LHMI.
Table 4: Web HMI main groups and submenus
Main groups
Dashboard
Device
Measurements
Recordings
Import/Export
Table continues on the next page
REX640
Operation Manual
Submenus Description
Used to see an overview of the protection
relay including status, measurements, single-
line diagram and latest events
Monitoring Used to navigate to monitoring, information,
self-supervision, single-line diagram or clear
Information
pages
Self-supervision
Single Line Diagram
Clear
Change Password
About
Measurements Used to navigate to the measurements or
phasor diagrams
Phasor Diagrams
Events Used to view the events, disturbance records,
fault records, load profile records and alarms
Disturbance records
Fault records
Load Profile Record
Alarm List
Report Summary Used to export a parameter list or a report
summary, and to import and export settings
Import/Export Set-
tings
Parameter List
REX640 overview
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