REF620 Modbus Point List Manual - Arc protection - Bay control and measurement - Merging unit - Feeder protection - Busbar protection (voltage and frequency) - Capacitor bank protection - Interconnection protection - Busbar differential protection (high impedance) - Power management/Load shedding - Back-up protection - Modbus Communication Manual - Modbus Point List Manual - 620 series Relion Protection and Control - REF620 Feeder Protection and Control - Relion 620 series - 2.0 FP1 IEC - IEC - 31.05.2023 - REF620
REF620 Modbus Point List Manual
Copyright
Disclaimer
Conformity
Introduction
This manual
Intended audience
Product documentation
Product documentation set
Document revision history
Related documentation
Symbols and conventions
Symbols
Document conventions
Functions, codes and symbols
Modbus data mappings
Overview
Supported functions in REF620
Indications
Premapped indications
Common data 1
CTRL.CBCILO1 Circuit breaker enable signals (1)
CTRL.CBCSWI1 Circuit breaker (1) mom. position
CTRL.CBCSWI1 Circuit breaker (1) mom+mcd position
CTRL.CBXCBR1 Circuit-breaker control (1)
CTRL.DCSXSWI1 Disconnector position indication (1)
CTRL.DCSXSWI2 Disconnector position indication (2)
CTRL.DCSXSWI3 Disconnector position indication (3)
CTRL.DCXSWI1 Disconnector control (1)
CTRL.DCXSWI2 Disconnector control (2)
CTRL.ESSXSWI1 Earthing switch indication (1)
CTRL.ESSXSWI2 Earthing switch indication (2)
CTRL.ESXSWI1 Earthing switch control (1)
LD0.ARCSARC1 Arc protection (1)
LD0.ARCSARC2 Arc protection (2)
LD0.ARCSARC3 Arc protection (3)
LD0.CCBRBRF1 Circuit breaker failure protection (1)
LD0.CCBRBRF2 Circuit breaker failure protection (2)
LD0.CCSPVC1 Current circuit supervision (1)
LD0.CMHAI1 Current total demand distortion (1)
LD0.CMMXU1 Three-phase current measurement (1)
LD0.DARREC1 Autoreclosing (1)
LD0.DARREC1 Autoreclosing state (1)
LD0.DEFHPDEF1 Directional earth-fault protection, high stage (1)
LD0.DEFLPDEF1 Directional earth-fault protection, low stage (1)
LD0.DEFLPDEF2 Directional earth-fault protection, low stage (2)
LD0.DEFLPDEF3 Directional earth-fault protection, low stage (3)
LD0.DPHHPDOC1 Three-phase directional overcurrent protection, high stage (1)
LD0.DPHHPDOC2 Three-phase directional overcurrent protection, high stage (2)
LD0.DPHLPDOC1 Three-phase directional overcurrent protection, low stage (1)
LD0.DPHLPDOC2 Three-phase directional overcurrent protection, low stage (2)
LD0.EFHPTOC1 Non-directional earth-fault protection, high stage (1)
LD0.EFIPTOC1 Non-directional earth-fault protection, instantaneous stage (1)
LD0.EFLPTOC1 Non-directional earth-fault protection, low stage (1)
LD0.EFLPTOC2 Non-directional earth-fault protection, low stage (2)
LD0.EFPADM1 Admittance-based earth-fault protection (1)
LD0.EFPADM2 Admittance-based earth-fault protection (2)
LD0.EFPADM3 Admittance-based earth-fault protection (3)
LD0.FRPFRQ1 Frequency protection (1)
LD0.FRPFRQ2 Frequency protection (2)
LD0.FRPFRQ3 Frequency protection (3)
LD0.FRPFRQ4 Frequency protection (4)
LD0.FRPFRQ5 Frequency protection (5)
LD0.FRPFRQ6 Frequency protection (6)
LD0.HAEFPTOC1 Harmonics-based earth-fault protection (1)
LD0.INRPHAR1 Three-phase inrush detector (1)
LD0.INTRPTEF1 Transient/intermittent earth-fault protection (1)
LD0.LEDGGIO1 Indication LED states Color1/Color2
LD0.LEDGGIO1 Indication LED states OFF/ColorX
LD0.LEDPTRC1 Global conditioning (1)
LD0.LSHDPFRQ1 Load-shedding and restoration (1)
LD0.LSHDPFRQ2 Load-shedding and restoration (2)
LD0.LSHDPFRQ3 Load-shedding and restoration (3)
LD0.LSHDPFRQ4 Load-shedding and restoration (4)
LD0.LSHDPFRQ5 Load-shedding and restoration (5)
LD0.LSHDPFRQ6 Load-shedding and restoration (6)
LD0.MAPGAPC1 Multipurpose protection (1)
LD0.MAPGAPC2 Multipurpose protection (2)
LD0.MAPGAPC3 Multipurpose protection (3)
LD0.MAPGAPC4 Multipurpose protection (4)
LD0.MAPGAPC5 Multipurpose protection (5)
LD0.MAPGAPC6 Multipurpose protection (6)
LD0.MAPGAPC7 Multipurpose protection (7)
LD0.MAPGAPC8 Multipurpose protection (8)
LD0.MAPGAPC9 Multipurpose protection (9)
LD0.MAPGAPC10 Multipurpose protection (10)
LD0.MAPGAPC11 Multipurpose protection (11)
LD0.MAPGAPC12 Multipurpose protection (12)
LD0.MVGAPC1 Move (8 pcs) (1)
LD0.MVGAPC2 Move (8 pcs) (2)
LD0.NSPTOC1 Negative-sequence overcurrent protection (1)
LD0.NSPTOC2 Negative-sequence overcurrent protection (2)
LD0.NSPTOV1 Negative-sequence overvoltage protection (1)
LD0.NSPTOV2 Negative-sequence overvoltage protection (2)
LD0.PDNSPTOC1 Phase discontinuity protection (1)
LD0.PHHPTOC1 Three-phase non-directional overcurrent protection, high stage (1)
LD0.PHHPTOC2 Three-phase non-directional overcurrent protection, high stage (2)
LD0.PHIPTOC1 Three-phase non-directional overcurrent protection, instantaneous stage (1)
LD0.PHIZ1 High-impedance fault detection (1)
LD0.PHLPTOC1 Three-phase non-directional overcurrent protection, low stage (1)
LD0.PHPTOV1 Three-phase overvoltage protection (1)
LD0.PHPTOV2 Three-phase overvoltage protection (2)
LD0.PHPTOV3 Three-phase overvoltage protection (3)
LD0.PHPTUC1 Loss of phase (undercurrent) (1)
LD0.PHPTUV1 Three-phase undervoltage protection (1)
LD0.PHPTUV2 Three-phase undervoltage protection (2)
LD0.PHPTUV3 Three-phase undervoltage protection (3)
LD0.PHQVVR1 Voltage variation (1)
LD0.PSPTUV1 Positive-sequence undervoltage protection (1)
LD0.PSPTUV2 Positive-sequence undervoltage protection (2)
LD0.RESCMMXU1 Residual current measurement (1)
LD0.RESVMMXU1 Residual voltage measurement (1)
LD0.ROVPTOV1 Residual overvoltage protection (1)
LD0.ROVPTOV2 Residual overvoltage protection (2)
LD0.ROVPTOV3 Residual overvoltage protection (3)
LD0.SECRSYN1 Synchronism and energizing check (1)
LD0.SEQSPVC1 Fuse failure supervision (1)
LD0.SPCGAPC2 Generic control point (16 pcs) (2)
LD0.SPCGAPC3 Generic control point (16 pcs) (3)
LD0.SPCRGAPC1 Remote generic control points (1)
LD0.SSCBR1 Circuit-breaker condition monitoring (1)
LD0.T1PTTR1 Three-phase thermal protection for feeders, cables and distribution transformers (1)
LD0.TCSSCBR1 Trip circuit supervision (1)
LD0.TCSSCBR2 Trip circuit supervision (2)
LD0.TRPPTRC1 Master trip (1)
LD0.TRPPTRC2 Master trip (2)
LD0.VMHAI1 Voltage total harmonic distortion (1)
LD0.VMMXU1 Three-phase voltage measurement (1)
LD0.VSQVUB1 Voltage unbalance (1)
LD0.WPWDE1 Wattmetric-based earth-fault protection (1)
LD0.WPWDE2 Wattmetric-based earth-fault protection (2)
LD0.WPWDE3 Wattmetric-based earth-fault protection (3)
LD0.XAGGIO130 Physical I/O states (AIM card XA130)
LD0.XBGGIO115 Physical I/O states (BIO card X115)
LD0.XGGIO100 Physical I/O states (PSM card X100)
LD0.XGGIO105 Physical I/O states (BIO card X105)
LD0.XGGIO110 Physical I/O states (BIO card X110)
LD0.XGGIO120 Physical I/O states (AIM card X120)
LD0.XHBGGIO105 Physical I/O states (BIO card XHB105)
LD0.XRGGIO105 Alarm/warning
Unmapped indications
All premapped three-phase protection function stages, operate/phase-dependent objects added
Common data 2
CTRL.CBXCBR2 Circuit-breaker control (2)
CTRL.CBXCBR3 Circuit-breaker control (3)
CTRL.DCSXSWI4 Disconnector position indication (4)
CTRL.DCXSWI3 Disconnector control (3)
CTRL.DCXSWI4 Disconnector control (4)
CTRL.ESSXSWI3 Earthing switch indication (3)
CTRL.ESXSWI2 Earthing switch control (2)
CTRL.ESXSWI3 Earthing switch control (3)
LD0.CBPSOF1 Switch onto fault (1)
LD0.CCBRBRF3 Circuit breaker failure protection (3)
LD0.COLPTOC1 Three-phase overload protection for shunt capacitor banks (1)
LD0.CUBPTOC1 Current unbalance protection for shunt capacitor banks (1)
LD0.CVPSOF1 Automatic switch-onto-fault logic (SOF) (1)
LD0.DARREC1 Autoreclosing (1)
LD0.DARREC2 Autoreclosing (2)
LD0.DIAGLCCH1 Ethernet supervision (1)
LD0.DOPPDPR1 Reverse power/directional overpower protection (1)
LD0.DOPPDPR2 Reverse power/directional overpower protection (2)
LD0.DPH3HPDOC1 Directional three-independent-phase directional overcurrent protection, high stage (1)
LD0.DPH3HPDOC2 Directional three-independent-phase directional overcurrent protection, high stage (2)
LD0.DPH3LPDOC1 Directional three-independent-phase directional overcurrent protection, low stage (1)
LD0.DPH3LPDOC2 Directional three-independent-phase directional overcurrent protection, low stage (2)
LD0.DQPTUV1 Directional reactive power undervoltage protection (1)
LD0.DQPTUV2 Directional reactive power undervoltage protection (2)
LD0.DUPPDPR1 Underpower protection (1)
LD0.DUPPDPR2 Underpower protection (2)
LD0.FKEYGGIO1 Programmable buttons (16 buttons) (1)
LD0.HIAPDIF1 High-impedance differential protection for phase A (1)
LD0.HIBPDIF1 High-impedance differential protection for phase B (1)
LD0.HICPDIF1 High-impedance differential protection for phase C (1)
LD0.HZCCASPVC1 Current transformer supervision for high-impedance protection scheme for phase A (1)
LD0.HZCCBSPVC1 Current transformer supervision for high-impedance protection scheme for phase B (1)
LD0.HZCCCSPVC1 Current transformer supervision for high-impedance protection scheme for phase C (1)
LD0.IL1TCTR1 Three-phase CT supervision (1)
LD0.LDPRLRC1 Load profile record (1)
LD0.LVRTPTUV1 Low-voltage ride-through protection (1)
LD0.LVRTPTUV2 Low-voltage ride-through protection (2)
LD0.LVRTPTUV3 Low-voltage ride-through protection (3)
LD0.MAPGAPC13 Multipurpose protection (13)
LD0.MAPGAPC14 Multipurpose protection (14)
LD0.MAPGAPC15 Multipurpose protection (15)
LD0.MAPGAPC16 Multipurpose protection (16)
LD0.MAPGAPC17 Multipurpose protection (17)
LD0.MAPGAPC18 Multipurpose protection (18)
LD0.MDSOPT1 Runtime counter for machines and devices (1)
LD0.MDSOPT2 Runtime counter for machines and devices (2)
LD0.MFADPSDE1 Multifrequency admittance-based earth-fault protection (1)
LD0.MVGAPC3 Move (8 pcs) (3)
LD0.MVGAPC4 Move (8 pcs) (4)
LD0.PH3HPTOC1 Three-independent-phase non-directional overcurrent protection, high stage (1)
LD0.PH3HPTOC2 Three-independent-phase non-directional overcurrent protection, high stage (2)
LD0.PH3IPTOC1 Three-independent-phase non-directional overcurrent protection, instantaneous stage (1)
LD0.PH3LPTOC1 Three-independent-phase non-directional overcurrent protection, low stage (1)
LD0.PH3LPTOC2 Three-independent-phase non-directional overcurrent protection, low stage (2)
LD0.PHAPTOV1 Single-phase overvoltage protection (1)
LD0.PHAPTUV1 Single-phase undervoltage protection (1)
LD0.PHPTUV4 Three-phase undervoltage protection (4)
LD0.PHPVOC1 Three-phase voltage-dependent overcurrent protection (1)
LD0.PHPVOC2 Three-phase voltage-dependent overcurrent protection (2)
LD0.RESTCTR1 Io CT supervision (1)
LD0.RESTCTR2 Io CT supervision (2)
LD0.RESTVTR1 Uo VT supervision (1)
LD0.SCEFRFLO1 Fault locator (1)
LD0.SPCGAPC1 Generic control point (16 pcs) (1)
LD0.SPCLGAPC1 Local generic control points (1)
LD0.SRCPTOC1 Shunt capacitor bank switching resonance protection, current based (1)
LD0.SSCBR2 Circuit-breaker condition monitoring (2)
LD0.SSCBR3 Circuit-breaker condition monitoring (3)
LD0.TRPPTRC3 Master trip (3)
LD0.TRPPTRC4 Master trip (4)
LD0.UL1TVTR1 Three-phase VT supervision (1)
LD0.UL1TVTR2 Three-phase VT supervision (2)
LD0.UPCALH1 Circuit breaker uncorresponding position start-up (1)
LD0.UPCALH2 Circuit breaker uncorresponding position start-up (2)
LD0.UPCALH3 Circuit breaker uncorresponding position start-up (3)
LD0.VAMMXU2 Single-phase voltage measurement (2)
LD0.VVSPPAM1 Voltage vector shift protection (1)
Registers
Premapped registers
Active parameter setting group - read and write
Control structure 1
Control structure 2
Control structure 3
Control structure 4
Control structure 5
Control structure 6
Control structure 7
Control structure 8
Device ID string
Event record structure
Fault record structure header
Fault record data
Protection relay's real-time clock (in local time mode) - read and write (synchronize)
Protection relay's real-time clock (in UTC time mode) - read and write (synchronize)
Indication bits mirrored in registers
SSR1 System status register (1) device health
SSR2 System status register (2) protection relay's mode and state
SSR3 System status register (3) data available 1 (client-dependent)
SSR4 System status register (4) data available 2 (client-dependent, user-definable)
SSR5 System status register (5) device alive register
SSR6 System status register (6) control command status (client-dependent)
System diagnostic values
Time and reason for latest protection relay reset
User-definable bits [Alt.2], visible on 0x,1x,3x and 4x
User-definable registers [Alt.1], visible on 3x and 4x
CTRL.CBCSWI1 Circuit breaker operation counter (1)
LD0.ARCSARC1 Arc protection (1)
LD0.ARCSARC2 Arc protection (2)
LD0.ARCSARC3 Arc protection (3)
LD0.CMHAI1 Current total demand distortion (1)
LD0.CMMXU1 Phase current demand values (1)
LD0.CMMXU1 Three-phase current measurement (1)
LD0.CSMSQI1 Sequence current measurement (1)
LD0.DARREC1 Autoreclosing counters (1)
LD0.DARREC1 Autoreclosing values (1)
LD0.FMMXU1 Frequency measurement (1)
LD0.HAEFMHAI1 Current harmonics (1)
LD0.PEMMTR1 Three-phase energy measurements (1)
LD0.PEMMXU1 Three-phase power and energy measurement (1)
LD0.PHQVVR1 Voltage variation (1)
LD0.RESCMMXU1 Residual current demand value (1)
LD0.RESCMMXU1 Residual current measurement (1)
LD0.RESVMMXU1 Residual voltage demand value (1)
LD0.RESVMMXU1 Residual voltage measurement (1)
LD0.SECRSYN1 Synchronism and energizing check (1)
LD0.SSCBR1 Circuit-breaker condition monitoring (1)
LD0.T1PTTR1 Three-phase thermal protection for feeders, cables and distribution transformers (1)
LD0.VMHAI1 Voltage total harmonic distortion (1)
LD0.VMMXU1 Three-phase voltage measurement (1)
LD0.VMMXU1 Voltage demand values (1)
LD0.VSMSQI1 Sequence voltage measurement (1)
LD0.XRGGIO105 RTD input values
Unmapped registers
CTRL.LLN0 Local, Remote, Station, Off and Combinations
LD0.DARREC2 Autoreclosing counters (2)
LD0.DARREC2 Autoreclosing values (2)
LD0.MDSOPT1 Runtime counter for machines and devices (1)
LD0.MDSOPT2 Runtime counter for machines and devices (2)
LD0.MVI4GAPC1 Integer value move (1)
LD0.MVI4GAPC2 Integer value move (2)
LD0.MVI4GAPC3 Integer value move (3)
LD0.MVI4GAPC4 Integer value move (4)
LD0.SCA4GAPC1 Analog value scaling (1)
LD0.SCA4GAPC2 Analog value scaling (2)
LD0.SCA4GAPC3 Analog value scaling (3)
LD0.SCA4GAPC4 Analog value scaling (4)
LD0.SCEFRFLO1 Fault locator (1)
LD0.SSCBR2 Circuit-breaker condition monitoring (2)
LD0.SSCBR3 Circuit-breaker condition monitoring (3)
LD0.VAMMXU2 Single-phase voltage measurement (2)
Controls
Reset, acknowledge and trigger points
CTRL.CBCSWI1 Circuit breaker control (1)
CTRL.DCXSWI1 Disconnector control (1)
CTRL.DCXSWI2 Disconnector control (2)
CTRL.DCXSWI3 Disconnector control (3)
CTRL.DCXSWI4 Disconnector control (4)
CTRL.ESXSWI1 Earthing switch control (1)
CTRL.ESXSWI2 Earthing switch control (2)
CTRL.ESXSWI3 Earthing switch control (3)
LD0.LDEV1 Protection relay's warm reset (1)
LD0.LSHDPFRQ1 Load-shedding and restoration (1)
LD0.LSHDPFRQ2 Load-shedding and restoration (2)
LD0.LSHDPFRQ3 Load-shedding and restoration (3)
LD0.LSHDPFRQ4 Load-shedding and restoration (4)
LD0.LSHDPFRQ5 Load-shedding and restoration (5)
LD0.LSHDPFRQ6 Load-shedding and restoration (6)
LD0.SPCGAPC1 Generic control point (16 pcs) (1)
LD0.SPCGAPC2 Generic control point (16 pcs) (2)
LD0.SPCGAPC3 Generic control point (16 pcs) (3)
LD0.SPCRGAPC1 Remote generic control points (1)
LD0.SRGAPC1 Set-reset (8 pcs) (1)
LD0.SRGAPC2 Set-reset (8 pcs) (2)
LD0.SRGAPC3 Set-reset (8 pcs) (3)
LD0.SRGAPC4 Set-reset (8 pcs) (4)
Unmapped control points
Glossary