EASTRON · PUBLIC DEVICE MAP

SDM630-Modbus V2 register map

Official FC04 measurement map for the Eastron SDM630-Modbus V2 three-phase energy meter. All values are 32-bit IEEE 754 floats in normal register order. The meter accepts at most 40 values (80 registers) per request.

MAP OVERVIEW

6 groups, 85 decoded points.

01Voltage & frequency9 tags02Current6 tags03Power & power factor20 tags04Energy26 tags05Demand12 tags06Power quality12 tags
REGISTER MAP

Searchable source data.

Documentation addresses are derived from the zero-based PDU address in the public definition. Convert a documentation address to its PDU offset when comparing with the manual. Confirm the map against revision V1.8 and the installed device before commissioning.

Voltage & frequency

9 of 9
Signal / registerDoc addressPDUTypeUnitNotes
Phase 1 line-to-neutral voltage300010–1float32VValid for 3P4W and 1P2W wiring.
Phase 2 line-to-neutral voltage300032–3float32VValid for 3P4W wiring.
Phase 3 line-to-neutral voltage300054–5float32VValid for 3P4W wiring.
Average line-to-neutral voltage3004342–43float32VValid for 3P4W wiring.
Supply frequency3007170–71float32HzFrequency of the supply voltages.
Line 1-to-line 2 voltage30201200–201float32VValid for 3P4W and 3P3W wiring.
Line 2-to-line 3 voltage30203202–203float32VValid for 3P4W and 3P3W wiring.
Line 3-to-line 1 voltage30205204–205float32VValid for 3P4W and 3P3W wiring.
Average line-to-line voltage30207206–207float32VValid for 3P4W and 3P3W wiring.

Current

6 of 6
Signal / registerDoc addressPDUTypeUnitNotes
Phase 1 current300076–7float32AValid for 3P4W, 3P3W, and 1P2W wiring.
Phase 2 current300098–9float32AValid for 3P4W and 3P3W wiring.
Phase 3 current3001110–11float32AValid for 3P4W and 3P3W wiring.
Average line current3004746–47float32AValid for 3P4W, 3P3W, and 1P2W wiring.
Sum of line currents3004948–49float32AValid for 3P4W, 3P3W, and 1P2W wiring.
Neutral current30225224–225float32AValid for 3P4W wiring.

Power & power factor

20 of 20
Signal / registerDoc addressPDUTypeUnitNotes
Phase 1 active power3001312–13float32WValid for 3P4W and 1P2W wiring.
Phase 2 active power3001514–15float32WValid for 3P4W and 1P2W wiring.
Phase 3 active power3001716–17float32WValid for 3P4W wiring.
Phase 1 apparent power3001918–19float32VAValid for 3P4W and 1P2W wiring.
Phase 2 apparent power3002120–21float32VAValid for 3P4W wiring.
Phase 3 apparent power3002322–23float32VAValid for 3P4W wiring.
Phase 1 reactive power3002524–25float32VArValid for 3P4W and 1P2W wiring.
Phase 2 reactive power3002726–27float32VArValid for 3P4W wiring.
Phase 3 reactive power3002928–29float32VArValid for 3P4W wiring.
Phase 1 power factor3003130–31float32—Signed to indicate current direction. Valid for 3P4W and 1P2W wiring.
Phase 2 power factor3003332–33float32—Signed to indicate current direction. Valid for 3P4W wiring.
Phase 3 power factor3003534–35float32—Signed to indicate current direction. Valid for 3P4W wiring.
Phase 1 phase angle3003736–37float32°Valid for 3P4W and 1P2W wiring.
Phase 2 phase angle3003938–39float32°Valid for 3P4W wiring.
Phase 3 phase angle3004140–41float32°Valid for 3P4W wiring.
Total system active power3005352–53float32WValid for 3P4W, 3P3W, and 1P2W wiring.
Total system apparent power3005756–57float32VAValid for 3P4W, 3P3W, and 1P2W wiring.
Total system reactive power3006160–61float32VArValid for 3P4W, 3P3W, and 1P2W wiring.
Total system power factor3006362–63float32—Signed to indicate current direction. Valid for all supported wiring systems.
Total system phase angle3006766–67float32°Valid for all supported wiring systems.

Energy

26 of 26
Signal / registerDoc addressPDUTypeUnitNotes
Total imported active energy3007372–73float32kWhAccumulated imported active energy.
Total exported active energy3007574–75float32kWhAccumulated exported active energy.
Total imported reactive energy3007776–77float32kVArhAccumulated imported reactive energy.
Total exported reactive energy3007978–79float32kVArhAccumulated exported reactive energy.
Total apparent energy3008180–81float32kVAhAccumulated apparent energy.
Ampere-hours3008382–83float32AhAccumulated ampere-hours.
Total active energy30343342–343float32kWhImported plus exported active energy.
Total reactive energy30345344–345float32kVArhImported plus exported reactive energy.
Phase 1 imported active energy30347346–347float32kWhPhase 1 imported active energy.
Phase 2 imported active energy30349348–349float32kWhPhase 2 imported active energy.
Phase 3 imported active energy30351350–351float32kWhPhase 3 imported active energy.
Phase 1 exported active energy30353352–353float32kWhPhase 1 exported active energy.
Phase 2 exported active energy30355354–355float32kWhPhase 2 exported active energy.
Phase 3 exported active energy30357356–357float32kWhPhase 3 exported active energy.
Phase 1 total active energy30359358–359float32kWhPhase 1 imported plus exported active energy.
Phase 2 total active energy30361360–361float32kWhPhase 2 imported plus exported active energy.
Phase 3 total active energy30363362–363float32kWhPhase 3 imported plus exported active energy.
Phase 1 imported reactive energy30365364–365float32kVArhPhase 1 imported reactive energy.
Phase 2 imported reactive energy30367366–367float32kVArhPhase 2 imported reactive energy.
Phase 3 imported reactive energy30369368–369float32kVArhPhase 3 imported reactive energy.
Phase 1 exported reactive energy30371370–371float32kVArhPhase 1 exported reactive energy.
Phase 2 exported reactive energy30373372–373float32kVArhPhase 2 exported reactive energy.
Phase 3 exported reactive energy30375374–375float32kVArhPhase 3 exported reactive energy.
Phase 1 total reactive energy30377376–377float32kVArhPhase 1 imported plus exported reactive energy.
Phase 2 total reactive energy30379378–379float32kVArhPhase 2 imported plus exported reactive energy.
Phase 3 total reactive energy30381380–381float32kVArhPhase 3 imported plus exported reactive energy.

Demand

12 of 12
Signal / registerDoc addressPDUTypeUnitNotes
Total system active power demand3008584–85float32WDemand calculation is import minus export.
Maximum total system active power demand3008786–87float32WMaximum active power demand since the last reset.
Total system apparent power demand30101100–101float32VACurrent apparent power demand.
Maximum total system apparent power demand30103102–103float32VAMaximum apparent power demand since the last reset.
Neutral current demand30105104–105float32AValid for 3P4W wiring.
Maximum neutral current demand30107106–107float32AValid for 3P4W wiring.
Phase 1 current demand30259258–259float32AValid for all supported wiring systems.
Phase 2 current demand30261260–261float32AValid for 3P4W and 3P3W wiring.
Phase 3 current demand30263262–263float32AValid for 3P4W and 3P3W wiring.
Maximum phase 1 current demand30265264–265float32AValid for all supported wiring systems.
Maximum phase 2 current demand30267266–267float32AValid for 3P4W and 3P3W wiring.
Maximum phase 3 current demand30269268–269float32AValid for 3P4W and 3P3W wiring.

Power quality

12 of 12
Signal / registerDoc addressPDUTypeUnitNotes
Phase 1 line-to-neutral voltage THD30235234–235float32%Valid for 3P4W and 1P2W wiring.
Phase 2 line-to-neutral voltage THD30237236–237float32%Valid for 3P4W wiring.
Phase 3 line-to-neutral voltage THD30239238–239float32%Valid for 3P4W wiring.
Phase 1 current THD30241240–241float32%Valid for 3P4W, 3P3W, and 1P2W wiring.
Phase 2 current THD30243242–243float32%Valid for 3P4W and 3P3W wiring.
Phase 3 current THD30245244–245float32%Valid for 3P4W and 3P3W wiring.
Average line-to-neutral voltage THD30249248–249float32%Valid for 3P4W and 1P2W wiring.
Average line current THD30251250–251float32%Valid for all supported wiring systems.
Line 1-to-line 2 voltage THD30335334–335float32%Valid for 3P4W and 3P3W wiring.
Line 2-to-line 3 voltage THD30337336–337float32%Valid for 3P4W and 3P3W wiring.
Line 3-to-line 1 voltage THD30339338–339float32%Valid for 3P4W and 3P3W wiring.
Average line-to-line voltage THD30341340–341float32%Valid for 3P4W and 3P3W wiring.
SOURCE & SCOPE

Import the map, then verify the device.

The catalogue provides register metadata, not a connection profile. Serial port, Unit ID, baud rate and site-specific naming stay in your Busloom project.