4.232
SEL-700G Relay
Instruction Manual
Date Code 20170814
Protection and Logic Functions
Front-Panel Settings (SET F Command)
Target LED Settings
The SEL-700G offers the following two types of LEDs. See Figure 8.1 and
Figure 8.26 for the programmable LED locations:
➤
Six Target LEDs
➤
Eight Pushbutton LEDs
You can use SEL
OGIC
control equations to program all 14 LEDs. The target
LEDs differ from the other LEDs in that they also include a latch function.
Target LEDs
The settings Tn_LEDL (n = 01 through 06) and Tn_LED (n = 01 through 06)
control the six front-panel LEDs. With Tn_LEDL set to Y, the LEDs latch the
LED state at TRIP assertion. To reset these latched LEDs, the corresponding
LED equation must be deasserted (logical 0) and one of the following takes
place:
➤
Pressing
TARGET RESET
on the front panel.
➤
Issuing the serial port command TAR R.
➤
The assertion of the SEL
OGIC
control equation RSTTRGT.
With the TnLEDL settings set to N, the LEDs do not latch and directly follow
the state of the associated SEL
OGIC
control equation setting.
Enter any of the Relay Word bits (or combinations of Relay Word bits) as
conditions in the Tn_LED SEL
OGIC
control equation settings. When these
Relay Word bits assert, the corresponding LED also asserts.
Table 4.89 shows the target LED settings. The factory-default settings shown
match the as-shipped front-panel overlay (see Figure 8.1). You can change the
settings to suit your application. See Section 8: Front-Panel Operations for
slide-in labels for custom LED designations.
Table 4.89
Target LED Settings
(Sheet 1 of 2)
Setting Prompt
Setting Range
Setting Name :=
TRIP LATCH T_LED
Y, N
T01LEDL := Y
LED1 EQUATION
SEL
OGIC
T01_LED := 87U OR 87R OR 87N1T OR
87N2T
a,b
T01_LED := 50PX1T OR 50PX2T OR
50PX3AT OR 50PX3BT OR 50PX3CT OR
51PXT
c
TRIP LATCH T_LED
Y, N
T02LEDL := Y
LED2 EQUATION
SEL
OGIC
T02_LED := ORED50T OR ORED51T OR
46Q1T OR 46Q2T OR 51VT OR 51CT
T02_LED := 50GX1T OR 50GX2T OR
51GXT
TRIP LATCH T_LED
Y, N
T03LEDL := Y
LED3 EQUATION
SEL
OGIC
T03_LED := 81T OR 81RT OR BNDT
T03_LED := 50QX1T OR 50QX2T OR
51QXT
TRIP LATCH T_LED
Y, N
T04LEDL := Y
LED4 EQUATION
SEL
OGIC
T04_LED := 24D1T OR 24C2T
T04_LED := 50PY1T OR 50PY2T OR
50PY3AT OR 50PY3BT OR 50PY3CT OR
51PYT
TRIP LATCH T_LED
Y, N
T05LEDL := Y
NOTE:
If the LED latch setting
(TnLEDL) is set to Y, and TRIP asserts,
the LED latches to the state at TRIP
assertion. The latched LED targets
can be reset using TARGET RESET if
the target conditions are absent.
Содержание SEL-700G Series
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