P.16.39
Date Code 20151029 Protection Manual SEL-411L Relay
Relay Word Bits
Row List
Row List
Table 16.2 lists every Relay Word bit row and the bits contained within each row.
Z2P Zone 2 phase distance element 3
Z2PGS Zone 2 phase and ground short delay element 60
Z2PT Zone 2 phase distance, time-delayed 4
Z2T Zone 2 phase or ground distance, time-delayed 7
Z3G Zone 3 ground distance element 5
Z3GT Zone 3 ground distance, time-delayed 6
Z3P Zone 3 phase distance element 3
Z3PT Zone 3 phase distance, time-delayed 4
Z3RB Current reversal guard asserted 58
Z3RBA A-Phase Current Reversal Guard asserted (ECOMM=POTT3) 61
Z3RBB B-Phase Current Reversal Guard asserted (ECOMM=POTT3) 61
Z3RBC C-Phase Current Reversal Guard asserted (ECOMM=POTT3) 61
Z3T Zone 3 phase or ground distance, time-delayed 7
Z3XT Current reversal guard timer picked up 60
Z4G Zone 4 ground distance element 5
Z4GT Zone 4 ground distance, time-delayed 6
Z4P Zone 4 phase distance element 3
Z4PT Zone 4 phase distance, time-delayed 4
Z4T Zone 4 phase or ground distance, time-delayed 7
Z5G Zone 5 ground distance element 5
Z5GT Zone 5 ground distance, time-delayed 6
Z5P Zone 5 phase distance element 3
Z5PT Zone 5 phase distance, time-delayed 4
Z5T Zone 5 phase or ground distance, time-delayed 7
ZLIN Load-encroachment 'load out' element 48
ZLOAD ZLOUT or ZLIN element picked up 48
ZLOUT Load-encroachment 'load in' element 48
Table 16.1 Alphabetical List of Relay Word Bits (Sheet 39 of 39)
Name Bit Description Row
Table 16.2 Row List of Relay Word Bits (Sheet 1 of 35)
Row Name Bit Description
Enable and Tripping Bits
0 EN Relay enabled
0TRIPLED Trip LED
1 TLED_1–TLED_8 Target LED 1–8
2 TLED_9–TLED_16 Target LED 9–16
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