Sel 751A - Table J.2 Relay Word Bit Definitions for the SEL-751 A

J.4
SEL-751A Relay Instruction Manual Date Code 20100129
Relay Word Bits
Definitions
Definitions
96
VB025 VB026 VB027 VB028 VB029 VB030 VB031 VB032
97
VB033 VB034 VB035 VB036 VB037 VB038 VB039 VB040
98
VB041 VB042 VB043 VB044 VB045 VB046 VB047 VB048
99
VB049 VB050 VB051 VB052 VB053 VB054 VB055 VB056
100
VB057 VB058 VB059 VB060 VB061 VB062 VB063 VB064
101
VB065 VB066 VB067 VB068 VB069 VB070 VB071 VB072
102
VB073 VB074 VB075 VB076 VB077 VB078 VB079 VB080
103
VB081 VB082 VB083 VB084 VB085 VB086 VB087 VB088
104
VB089 VB090 VB091 VB092 VB093 VB094 VB095 VB096
105
VB097 VB098 VB099 VB100 VB101 VB102 VB103 VB104
106
VB105 VB106 VB107 VB108 VB109 VB110 VB111 VB112
107
VB113 VB114 VB115 VB116 VB117 VB118 VB119 VB120
108
VB121 VB122 VB123 VB124 VB125 VB126 VB127 VB128
109
PHDEM 3I2DEM GNDEM * BCWA BCWB BCWC BCW
110
59VP 59VS AFALARM SF 25A1 25A2 DCHI DCLO
111
59S1 59S1T 59S2 59S2T 27S1 27S1T 27S2 27S2T
112
TQUAL1 TQUAL2 TQUAL4 TQUAL8 DST DSTP LPSEC LPSECP
113
* * TUTCS TUTC1 TUTC2 TUTC4 TUTC8 TUTCH
114
59G1 59G1T 59G2 59G2T 59Q1 59Q1T 59Q2 59Q2T
115
81R1T 81R2T 81R3T 81R4T AFS1DIAG AFS2DIAG AFS3DIAG AFS4DIAG
116
TOL1 TOL2 TOL3 TOL4 AFS1EL AFS2EL AFS3EL AFS4EL
117
* * * * PHASE_A PHASE_B PHASE_C GFLT
118
* * ******
119
* * * * * * * *
Ta b le J . 1 S E L-7 5 1 A Re l ay Wo rd B i t s (Sheet 4 of 4)
Bit/
Row
Relay Word Bits
7 6 5 4 3 2 1 0
Table J.2 Relay Word Bit Definitions for the SEL-751A (Sheet 1 of 11)
Bit Definition Row
* Reserved for future use. —
3I2DEM Negative Sequence Demand Pickup. 109
3P27 3-Phase Undervoltage Trip Pickup (all phases below 27P1P setting). 10
3P59 3-Phase Overvoltage Trip Pickup (all phases above 59P1P setting). 10
3PWR1P 3-Phase Power Element 1 Pickup. 22
3PWR1T 3-Phase Power Element 1 Trip. 14
3PWR2P 3-Phase Power Element 2 Pickup. 22
3PWR2T 3-Phase Power Element 2 Trip. 14
25A1 Synchronism Check Element Level 1 Pickup. 110