Eastron · Energy meter
SDM72D-M Modbus register map
Default configuration
- Protocol
- RS485
- Port
- 502
- Unit ID
- 1
- Addressing
- 0-based
- Byte order
- Big endian
- Word order
- High word first
- Baud rate
- 9600
- Parity
- None
- Data bits
- 8
- Stop bits
- 1
This device has an RS-485 interface. Reach it through a Modbus RTU-to-TCP gateway, configured with the factory serial settings above.
Register map
| Address | Count | Name | Type | Unit | Scale | Access |
|---|---|---|---|---|---|---|
| 0 | 2 | L1 Voltage | Float32 | V | 1 | R |
| 2 | 2 | L2 Voltage | Float32 | V | 1 | R |
| 4 | 2 | L3 Voltage | Float32 | V | 1 | R |
| 6 | 2 | L1 Current | Float32 | A | 1 | R |
| 8 | 2 | L2 Current | Float32 | A | 1 | R |
| 10 | 2 | L3 Current | Float32 | A | 1 | R |
| 12 | 2 | L1 Power (Active) | Float32 | W | 1 | R |
| 14 | 2 | L2 Power (Active) | Float32 | W | 1 | R |
| 16 | 2 | L3 Power (Active) | Float32 | W | 1 | R |
| 18 | 2 | L1 Power (Apparent) | Float32 | VA | 1 | R |
| 20 | 2 | L2 Power (Apparent) | Float32 | VA | 1 | R |
| 22 | 2 | L3 Power (Apparent) | Float32 | VA | 1 | R |
| 24 | 2 | L1 Power (Reactive) | Float32 | VAr | 1 | R |
| 26 | 2 | L2 Power (Reactive) | Float32 | VAr | 1 | R |
| 28 | 2 | L3 Power (Reactive) | Float32 | VAr | 1 | R |
| 30 | 2 | L1 Power Factor | Float32 | - | 1 | R |
| 32 | 2 | L2 Power Factor | Float32 | - | 1 | R |
| 34 | 2 | L3 Power Factor | Float32 | - | 1 | R |
| 42 | 2 | L-N Voltage | Float32 | V | 1 | R |
| 46 | 2 | L-N Current | Float32 | A | 1 | R |
| 48 | 2 | Total Line Current | Float32 | A | 1 | R |
| 52 | 2 | Total Power | Float32 | W | 1 | R |
| 56 | 2 | Total Power (Apparent) | Float32 | VA | 1 | R |
| 60 | 2 | Total Power (Reactive) | Float32 | VAr | 1 | R |
| 62 | 2 | Total Power Factor | Float32 | - | 1 | R |
| 70 | 2 | Frequency | Float32 | Hz | 1 | R |
| 72 | 2 | Imported Energy (Active) | Float32 | kWh | 1 | R |
| 74 | 2 | Exported Energy (Active) | Float32 | kWh | 1 | R |
| 200 | 2 | L1-L2 Voltage | Float32 | V | 1 | R |
| 202 | 2 | L2-L3 Voltage | Float32 | V | 1 | R |
| 204 | 2 | L3-L1 Voltage | Float32 | V | 1 | R |
| 206 | 2 | L-L Voltage | Float32 | V | 1 | R |
| 224 | 2 | Neutral Current | Float32 | A | 1 | R |
| 342 | 2 | Total Energy (Active) | Float32 | kWh | 1 | R |
| 344 | 2 | Total Energy (Reactive) | Float32 | kVArh | 1 | R |
| 384 | 2 | Resettable Total Energy (Active) | Float32 | kWh | 1 | R |
| 388 | 2 | Resettable Import Energy (Active) | Float32 | kWh | 1 | R |
| 390 | 2 | Resettable Export Energy (Active) | Float32 | kWh | 1 | R |
| 396 | 2 | Net kWh (Import - Export) | Float32 | kWh | 1 | R |
| 1280 | 2 | Total Import Power (Active) | Float32 | W | 1 | R |
| 1282 | 2 | Total Export Power (Active) | Float32 | W | 1 | R |
Notes
RS-485 device: reach it through a Modbus RTU-to-TCP gateway using the factory serial settings above. Measurements are IEEE-754 Float32 values (high word first) read with function code 04; the configuration registers are read/written with function code 03.