Schweitzer Engineering SEL-387-0, Instruction Manual

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8.20
SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20170601
Front-Panel Interface
Rotating Default Display
You can omit either the prelabel or the postlabel. When excluding the
postlabel, be sure to include the last semicolon.
For setting examples, see Same-Line Setting Examples on page 8.21 .
Display Time-Overcurrent Element Pickup Settings
Use Display Point text settings and logic settings to display the following
relay elements in primary units:
51P1P, 51Q1P, 51N1P, 51P2P, 51Q2P, 51N2P, 51NN1P, 51NN2P,
51NN3P
The relay shows a dynamic display for these overcurrent element pickup
settings in either a dual-line presentation or a same-line presentation.
Dual-Line Setting Example
Enter the following settings for a dual-line display:
DP1_0 =
Brkr 1 Trips at
DP2_0 = ::51P1P
DP1 = 0
DP2 =
0
Table 8.4 Dynamic Display Same-Line Overcurrent Elements
Setting Setting Displayed Display Resolution
Label Characters
(maximum)
;;51P1P 51P1P #######.## 6
;;51Q1P 51Q1P #######.## 6
;;51N1P 51N1P #######.## 6
;;51P2P 51P2P #######.## 6
;;51Q2P 51Q2P #######.## 6
;;51N2P 51N2P #######.## 6
;;51NN1P 51NN1P #######.## 6
;;51NN2P 51NN2P #######.## 6
;;51NN3P 51NN3P #######.## 6
;;;0 51P1P ####### 9
;;;1 51Q1P ####### 9
;;;2 51N1P ####### 9
;;;3 51P2P ####### 9
;;;4 51Q2P ####### 9
;;;5 51N2P ####### 9
;;;12 51NN1P ####### 9
;;;13 51NN2P ####### 9
;;;14 51NN3P ####### 9