4.231
Date Code 20170814
Instruction Manual
SEL-700G Relay
Protection and Logic Functions
Front-Panel Settings (SET F Command)
following four settings, using a maximum of 14 valid characters for the
NLBnn setting and a maximum of seven valid characters (0–9, A–Z, -, /, .,
space) for the remainder:
➤
NLBnn: Names the switch (normally the function that the switch
performs, such as SUPERV SW) that appears on the LCD
display.
➤
CLBnn: Clears local bit. Enter the text that describes the
intended operation of the switch (this text appears on the
display) when LBnn deasserts (OPEN, for example).
➤
SLBnn: Sets local bit. Enter the text that describes the intended
operation of the switch (this text appears on the display) when
LBnn asserts (CLOSE, for example).
➤
PLBnn: Pulses local bit. When selecting the pulse operation,
LBnn asserts for only one processing interval before deasserting
again. Enter the text that describes the intended operation when
LBnn asserts (START, for example).
➤
Omit either SLBnn or PLBnn (never CLBnn) by setting the
omitted setting to NA.
For the transformer in our example, configure two local bits: one to replace a
supervisory switch, and the other to start a fan motor. Local bit 1 replaces a
supervisory switch (SUPERV SW), and we use the clear/set combination.
Local bit 2 starts a fan motor (START) that only needs a short pulse to seal
itself in, and we use the clear/pulse combination. Figure 4.160 shows the
settings to program the two local bits.
=>>
SET F TERSE <Enter>
Front Panel
General Settings
DISPLY PTS ENABL (N,1-32) EDP := 5 ?
<Enter>
LOCAL BITS ENABL (N,1-32) ELB := N ?
2 <Enter>
LCD TIMEOUT (OFF,1-30 min) FP_TO := 15 ?
> <Enter>
Target LED Set
TRIP LATCH T_LED (Y,N) T01LEDL := Y ? >
<Enter>
Display Point Settings (maximum 60 characters):
(Boolean): Relay Word Bit Name, "Alias", "Set String", "Clear String"
(Analog) : Analog Quantity Name, "User Text and Formatting"
DISPLAY POINT DP01 (60 characters)
DP01 := IN101,"TRFR 1 HV BRKR:",CLOSED,OPEN
? >
<Enter>
Local Bits Labels:
LB_ NAME (14 characters; Enter NA to null)
NLB01 :=
?
SPERV SW <Enter>
CLEAR LB_ LABEL (7 characters; Enter NA to null)
CLB01 :=
?
OPEN <Enter>
SET LB_ LABEL (7 characters; Enter NA to null)
SLB01 :=
?
CLOSE <Enter>
PULSE LB_ LABEL (7 characters; Enter NA to null)
PLB01 :=
?
NA <Enter>
LB_ NAME (14 characters; Enter NA to null)
NLB02 :=
?
FAN START <Enter>
CLEAR LB_ LABEL (7 characters; Enter NA to null)
CLB02 :=
?
OFF <Enter>
SET LB_ LABEL (7 characters; Enter NA to null)
SLB02 :=
?
NA <Enter>
PULSE LB_ LABEL (7 characters; Enter NA to null)
PLB02 :=
?
START <Enter>
Save changes (Y,N)?
Y <Enter>
Settings Saved
=>>
Figure 4.160
Adding Two Local Bits
Содержание SEL-700G Series
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