K.16
SEL-751 Relay Instruction Manual Date Code 20170927
Relay Word Bits
Definitions
HBL5BT B-phase fifth-harmonic block timed out
150
HBL5CT C-phase fifth-harmonic block timed out
150
HBL5T Combined-phase fifth-harmonic block timed out
150
HIA1_A A-phase HIF alarm
133
HIA1_B B-phase HIF alarm
133
HIA1_C C-phase HIF alarm
133
HIA2_A A-phase HIF alarm
133
HIA2_B B-phase HIF alarm
133
HIA2_C C-phase HIF alarm
133
HIF1_A A-phase HIF detection
134
HIF1_B B-phase HIF detection
134
HIF1_C C-phase HIF detection
134
HIF2_A A-phase HIF detection
134
HIF2_B B-phase HIF detection
134
HIF2_C C-phase HIF detection
134
HIFER HIF event report external trigger SEL
OGIC setting
132
HIFITUNE Begin 24-hour initial HIF tuning
134
HIFMODE HIF detection sensitivity SELOGIC setting
132
HIFREC HIF event report triggered and is being collected
132
IN101–IN102 Contact inputs IN101 and IN102
17
IN301–IN308 Contact inputs IN301–IN308 (available only with optional I/O module)
18
IN309–IN314 Contact inputs IN309–IN314 (available only with optional 14 DI I/O module)
142
IN401–IN408 Contact inputs IN401–IN408 (available only with optional I/O module)
19
IN409–IN414 Contact inputs IN409–IN414 (available only with optional 14 DI I/O module)
143
IN501–IN508 Contact inputs IN501–IN508 (available only with optional I/O module)
20
IN509–IN514 Contact inputs IN509–IN514 (available only with optional 14 DI I/O module)
144
INI_HIF Begin 24-hour initial tuning (HIF detection)
132
IRIGOK IRIG-B time-synchronized input data are valid
13
ITUNE_A A-phase initial tuning
135
ITUNE_B B-phase initial tuning
135
ITUNE_C C-phase initial tuning
135
LB01–LB08 Local bits 1–8
39
LB09–LB16 Local bits 9–16
40
LB17–LB24 Local bits 17–24
41
Table K.2 Relay Word Bit Definitions for the SEL-751 Relay (Sheet 11 of 17)
Bit Definition Row