Function name
Signal type
Signal name
Description
SCEFRFLO.1.1 PhV Pre value
PhC
Record data of bank 1 for
phase C pre-fault voltage
amplitude
SCEFRFLO.1.1 RF
Record data of bank 1 for fault
resistance
SCEFRFLO.1.1 RFLOOP
Record data of bank 1 for fault
loop resistance
SCEFRFLO.1.1 S_CALC
Record data of bank 1 for
equivalent load distance
SCEFRFLO.1.1 XC0F_CALC
Record data bank1 feeder
phase-to-earth capacitive
reactance
SCEFRFLO.1.1 XFLOOP
Record data of bank 1 for fault
loop reactance
Binary inputs
SCEFRFLO.1.1 ALARM
Record data of bank 1 for alarm
signal
Frequency gradient (DAPFRC)
Binary inputs
DAPFRC.1.START
Start signal for frequency
gradient
DAPFRC.1.OPERATE
Operate signal for frequency
gradient
DAPFRC.1.LOWAMPL_BLKD
Blocking indication due to low
amplitude.
Overfrequency (DAPTOF)
Binary inputs
DAPTOF.1.START
Start signal for overfrequency
protection
DAPTOF.1.OPERATE
Operate signal for
overfrequency protection
DAPTOF.1.LOWAMPL_BLKD
Blocking indication due to low
amplitude.
Underfrequency (DAPTUF)
Binary inputs
DAPTUF.1.START
Start signal for underfrequency
protection
DAPTUF.1.OPERATE
Operate signal for
underfrequency protection
DAPTUF.1.LOWAMPL_BLKD
Blocking indication due to low
amplitude.
DAPTUF.1.RESTORE
Restore signal for load restoring
purposes.
Load shedding (LSHDPFRQ)
Binary inputs
LSHDPFRQ.1.ST_FRQ
Pick-Up signal for under
frequency detection
LSHDPFRQ.1.ST_FRG
Pick-Up signal for high df/dt
detection
LSHDPFRQ.1.START
General start. Under frequency
or high df/dt detected
LSHDPFRQ.1.RESTORE
Restore signal for load restoring
purposes
LSHDPFRQ.1.ST_REST
Restore frequency attained and
restore timer started
LSHDPFRQ.
1.LOWAMPL_BLKD
Signal indicating internal
blocking due to low amplitude
LSHDPFRQ.1.OPR_FRQ
Operate signal for under
frequency
Table continues on next page
Section 2
1MRS756791 A
DNP3 data mappings
32
630 series
Point List Manual