Sel SEL-421 - Row List; A.2 Relay Word Bits: Enable and Target Leds; A.3 Relay Word Bits: Distance Elements

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R.A.22

SEL-421 Relay Reference Manual Date Code 20111215

Relay Word Bits

Row List

Tab le A.2 through Table A.51 list every Relay Word bit row and the bits

contained within each row

Table A.2 Relay Word Bits: Enable and Target LEDs

Row Name Description

0 EN Relay Enabled

0 TRIPLED Trip LED

0* Reserved

1TLED_1 Target LED 1

1TLED_2 Target LED 2

1TLED_3 Target LED 3

1TLED_4 Target LED 4

1TLED_5 Target LED 5

1TLED_6 Target LED 6

1TLED_7 Target LED 7

1TLED_8 Target LED 8

2TLED_9 Target LED 9

2 TLED_10 Target LED 10

2 TLED_11 Target LED 11

2 TLED_12 Target LED 12

2 TLED_13 Target LED 13

2 TLED_14 Target LED 14

2 TLED_15 Target LED 15

2 TLED_16 Target LED 16

Table A.3 Relay Word Bits: Distance Elements (Sheet 1 of 4)

Row Name Description

3 M1P Zone 1 Mho phase element

3 M2P Zone 2 Mho phase element

3 M3P Zone 3 Mho phase element

3 M4P Zone 4 Mho phase element

3 M5P Zone 5 Mho phase element

3* Reserved

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