Figure 6-18. Reporting and Alarms Screen, Fault Recording Tab
Target settings are summarized in Table 6-16.
Table 6-16. Target Settings
Function Purpose
Specifies which protective elements will trigger a target. When the programmed
protective element’s BESTlogic expression is TRUE (1) and the trip output is
TRUE (1), a trip event is recorded in the target log.
Enabled Targets
Target Reset Logic
Logic expression that will reset the targets when TRUE.
Retrieving and Resetting Target Information
Target information can be obtained from the front panel HMI Screen 1.1.1, \STAT\TARGETS or through
the ASCII command interface using the RG-TARG (report general, targets) command. The target
information provided by the relay is from the most recent trip event. It is specific to an event and not
cumulative. The two most recent target reports are stored in nonvolatile memory. These two reports are
available from the front panel HMI Screen 4.1.1, \REPRT\FAULT\M_REC and 4.1.2, \REPRT\
FAULT\PREV. Targets for previous events are recorded in the fault summary reports, which are
described in detail later in this section.
When the relay trips and targets are logged for the event, the Trip LED is sealed-in on the front of the
relay and menu tree branch Screen 1.1.1, \STAT\TARGETS is automatically displayed on the LCD. See
Section 4,
Human Machine Interface,
for more
information about the automatic display priority logic.
The display scrolls between the targets and the fault
current magnitudes that were recorded during the
fault. See the paragraphs on
Fault Summary Reports
in this section for more information on how these fault
current magnitudes are recorded.
TRSTKEY
Pressing the
Reset
key on the HMI while the
Target
Screen
is displayed will clear these targets and the trip
LED. No password access is required to reset targets
from the front panel. After reset, the two most recent
target reports are still available from the HMI menu
branch 4,
Reports.
Password access is not required to
reset targets at the HMI.
Figure 6-19. Target Reset Logic
Figure 6-19 illustrates the target reset logic.
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