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ABB Distribution Protection Unit 1500R
Table 7-2 (cont.)
Blown Fuse Alarm
OC Trip Counter
Accumulated KSI
79 Counter 1 Alarm
(
)
O->I-1
Phase Demand Alarm
Neutral Demand Alarm
Low PF Alarm
High PF Alarm
Trip Coil Failure
KVAr Demand Alarm
79 Counter 2 Alarm
(
)
O->I-2
Pos. KVAr Alarm
Neg. KVAr Alarm
Load Alarm
Cold Load Alarm
Pos Watt Alarm 1
Pos Watt Alarm 2
BFT Operation
ReTrip Operation
7-10
Indicates that "BFUA" programmable logical output has operated. See the Programmable Outputs
Section specifically the "BFUA" output for more details.
Indicates that the Overcurrent Trip Counter has exceeded the Overcurrent Trip Counter Alarm setting.
See Section 6, specifically the "OCTC" output, for more details.
Indicates that the KSI summation has exceeded the KSI Alarm setting. See Section 6, specifically the
"KSI" output, for more details.
Indicates that the number of reclose operations has exceeded the Reclose Counter 1 Alarm setting. See
Section 6, specifically the "79CA1" output, for more details.
Indicates that the phase demand current has exceeded the Phase Demand Current Alarm setting. See
Section 6, specifically the "PDA" output, for more details.
Indicates that the neutral demand current has exceeded the Neutral Demand Current Alarm setting. See
Section 6, specifically the "NDA" output, for more details.
Indicates that the power factor has gone below the Low Power Factor Alarm setting. See the Section
6, specifically the "LPFA" output, for more details.
Indicates that the power factor has risen above the High Power Factor Alarm setting. See Section 6,
specifically the "HPFA" output, for more details.
Indicates that the logical input "TCM" indicated a trip coil failure. See Section 6, specifically the "TCM"
input.
Indicates that the demand KiloVArs have exceeded the Demand KiloVAr Alarm setting. See Section 6,
specifically the "VARDA" output, for more details.
Indicates that the number of reclose operations has exceeded the Reclose Counter 2 Alarm setting. See
Section 6, specifically the "79CA2" output, for more details.
Indicates that the positive KiloVArs have exceeded the Positive KiloVAr Alarm setting. See Section 6,
specifically the "PVArA" output, for more details.
Indicates that the negative KiloVArs have exceeded the negative KiloVAr Alarm setting. See Section 6,
specifically the "NVArA" output, for more details.
Indicates that the load current has exceeded the Load Current Alarm setting. See Section 6, specifically
the "LOADA" output, for more details.
Logs when the cold load timer is counting down. Also see CLTA logical output description.
Indicates that the positive kilowatts have exceeded the Positive Kilowatt Alarm 1 setting. See Section
6, specifically the "Pwatt1" output, for more details.
Indicates that the positive kilowatts have exceeded the Positive Kilowatt Alarm 2 setting. See Section
6, specifically the "Pwatt2" output, for more details.
Indicates operation of the Breaker Failure Trip (BFT) logical output.
Indicates operation of the ReTrip logical output.
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