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Q U I C K S TA R T G U I D E R E L I O N ® 6 3 0 S E R I E S
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Most common function blocks
The most common function blocks are listed below, please refer to the 620 series Technical Manual for
the full list. The available function blocks varies depending on the selected IED and configuration used.
Function
Protection
Three-phase non-directional overcurrent, low stage
Three-phase non-directional overcurrent, high stage
Three-phase non-directional overcurrent, instantaneous stage
Three-phase directional overcurrent, low stage
Three-phase directional overcurrent, high stage
Automatic switch-onto-fault logic
Autoreclosing
Non-directional earth-fault, low stage
Non-directional earth-fault, high stage
Non-directional earth-fault, instantaneous
Directional earth-fault, low stage
Directional earth-fault, high stage
Transient/intermittent earth-fault
Admittance-based earth-fault protection
Wattmetric earth-fault protection
Rotor earth-fault protection
Motor stall protection
Three-phase thermal overload protection for motors
Loss of load protection
Three-phase thermal overload protection for feeder
Phase discontinuity
Three-phase current inrush detection
Three-phase overvoltage
Three-phase undervoltage
Positive-sequence overvoltage
Positive-sequence undervoltage
Negative-sequence overvoltage
Residual overvoltage
Frequency gradient
Overfrequency
Underfrequency
Load shedding
Circuit-breaker failure
Tripping logic
Multipurpose analog protection
Transformer differential protection for two-winding transformers
Optional functions
Tap changer control with voltage regulator
Distance protection
Fault Location
Synchrocheck
IEC 61850
IEC 60617
PHLPTOC
3I>
PHHPTOC
3I>>
PHIPTOC
3I>>>
DPHLPDOC
3I> →
DPHHPDOC
3I>> →
CVRSOF
CVRSOF
DARREC
O → I
EFLPTOC
Io>
EFHPTOC
Io>>
EFIPTOC
Io>>>
DEFLPDEF
Io> →
DEFHPDEF
Io>> →
INTRPTEF
Io> → IEF
EFPADM
Yo> →
WPWDE
Po> →
MREFPTOC
Io>R
JAMPTOC
Ist>
MPTTR
3Ith>M
LOFLPTUC
3I<
T1PTTR
3lth>
PDNSPTOC
I2/I1>
INRPHAR
3I2f>
PHPTOV
3U>
PHPTUV
3U<
PSPTOV
U1>
PSPTUV
U1<
NSPTOV
U2>
ROVPTOV
Uo>
DAPFRC
df/dt>
DAPTOF
f >
DAPTUF
f <
LSHDPFRQ
f<, df/dt<
CCBRBRF
3I>/Io>BF
TRPPTRC
I → O
MAPGAPC
MAP
TR2PTDF
3dI>T
OLATCC
COLTC
DSTPDIS
Z<
SCEFRFLO
FLOC
SYNCRSYN
SYNC
3
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