Schweitzer Engineering SEL-387-0, Instruction Manual

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8.21
Date Code 20170601 Instruction Manual SEL-387-0, -5, -6 Relay
Front-Panel Interface
Rotating Default Display
The following appears on the front-panel display:
where
#
designates the primary value of the 51P1P setting (51P1P multiplied
by CTR1).
The relay recognizes the double-colon control string, locates the element
name, validates the name, obtains the secondary value, multiplies the
secondary value by setting CTR
n , and displays the value with “A pri”
appended.
Same-Line Setting Examples
Enter the following settings for a same-line display with six label characters:
DP1_0 = W = ;;51P1P;Apri
DP1 =
0
The following appears on the front-panel display:
where
#
designates the primary value of the 51P1P setting (51P1P multiplied
by setting CTR1). The second Display Point on this display was previously
programmed to show circuit breaker status.
Enter the following settings for a same-line display with nine label characters:
DP2_0 =
Neut 1
= ;;;12;Ap
DP2 =
0
The following appears on the front-panel display:
where
#
designates the primary value of the 51NN1P setting (51NN1P
multiplied by CTRN1). The first Display Point on this display was previously
programmed to show circuit breaker status.
Display Metering and Breaker Wear Monitor
The LCD displays the following secondary metering quantities as primary
metering quantities (primary values) when you set the appropriate Display
Point text settings and logic settings. Use the double-colon control string (::)
for a dynamic display of the metering or breaker quantities listed in the
following paragraphs.
Some of these display elements match internal Relay Word bits, and other
display elements have mnemonics that represent the dynamic display quantity.
BRKR 1 TRIPS AT
#######.## A pri
W=#######.##APRI
BREAKER 2 CLOSED
BREAKER 1 CLOSED
NEUT 1=#######AP