Sel 751A - Figure 8.10 Relay Response When no Math Variables Enabled; Figure 8.11 MAIN Menu and EVENTS Submenu; Figure 8.12 EVENTS Menu and DISPLAY Submenu; Figure 8.13 Relay Response When no Event Data Available

8.7
Date Code 20100129 Instruction Manual SEL-751A Relay
Front-Panel Operations
Human-Machine Interface
Figure 8.10 Relay Response When No Math Variables Enabled
Events Menu
Select the Events menu item from the MAIN menu as shown in Figure 8.11.
EVENTS menu has Display and Clear as menu items. Select Display to view
events and
Clear to delete all the events data.
Figure 8.11 MAIN Menu and EVENTS Submenu
Figure 8.12 shows the DISPLAY menu when Display is selected from the
EVENTS menu with events in the order of occurrence starting with the most
recent. You can select an event from the
DISPLAY menu and navigate through
the event data.
Figure 8.12 EVENTS Menu and DISPLAY Submenu
When Display is selected and no event data are available, the relay displays as
shown in Figure 8.13.
Figure 8.13 Relay Response When No Event Data Available
When Clear is selected from the EVENTS menu and confirming the selection,
the relay displays as shown in Figure 8.14 after clearing the events data.
Figure 8.14 Relay Response When Events Are Cleared
No Math
Variables
Enabled (see EMV
Setting)
MAIN
Meter
Events
Targets
Control
Set/Show
Status
Breaker
EVENTS
Display
Clear
(Events Selected)
DISPLAY
03/25/2007 11:56:51.158
03/25/2007 11:54:31.158
.
.
EVENTS
Display
Clear
(Display Selected)
No Data
Available
Clearing
Complete