8.12
SEL-700G Relay
Instruction Manual
Date Code 20170814
Front-Panel Operations
Operation and Target LEDs
Breaker Monitor Menu
Select the
Breaker
menu item on the
MAIN
menu as shown in Figure 8.23 to
access breaker data or reset the data. See Breaker Monitor on page 5.15, in
Section 5: Metering and Monitoring for a detailed description.
Figure 8.23
MAIN Menu and BREAKER Monitor Submenu
Operation and Target LEDs
Programmable LEDs
The SEL-700G provides quick confirmation of relay conditions via operation
and target LEDs. Figure 8.24 shows this region with factory-default text on
the front-panel configurable labels. See Target LED Settings on page 4.232 for
the SEL
OGIC
control equations.
Figure 8.24
Factory-Default Front-Panel LEDs for the SEL-700G Generator
Protection Relay
You can reprogram all of these indicators except the
ENABLED
and
TRIP
LEDs
to reflect operating conditions other than the factory-default programming
described in this subsection.
Settings T0n_LED are SEL
OGIC
control equations that work with the
corresponding T0nLEDL latch settings to illuminate the LEDs shown in
Figure 8.24. Parameter n is a number from 1 through 6 that indicates each
LED. If the latch setting (T0nLEDL) for a certain LED is set to N, then the
LED will follow the status of the corresponding control equation (T0n_LED).
When the equation asserts, the LED will illuminate, and when the equation
deasserts, the LED will extinguish. If the latch setting is set to Y, the LED will
only assert if a trip condition occurs and the T0n_LED equation is asserted at
(Breaker Monitor Selected)
BREAKER
X
Y
MAIN
Meter
Events
Targets
Control
Set/Show
Status
Breaker
Quit
Use the QUIT command
to exit Access Level 2
and go to Access Level 1.
Display
Reset
T01_LED
Factory-Default Label
T06_LED
ENABLED
TRIP
DIFFERENTIAL
OVERCURRENT
OVER/UNDER FREQUENCY
VOLTS/HERTZ
LOSS OF FIELD
STATOR/FIELD GROUND
NOTE:
There are three versions of
factory-default front-panel LED
configurations depending on the
model (SEL-700G, SEL-700GT, or
SEL-700GW).
NOTE:
The target LEDs are restored
to their previous state after the relay
is turned off and then turned back
on.
Содержание SEL-700G Series
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