Connection and addressing notes
- Password register
- 0000H, range 0001-9999
- Address register
- 0001H high byte, range 0001-0247
- Baud rate register
- 0001H low byte, 0 = 38400, 1 = 19200, 2 = 9600, 3 = 4800 bps
- Control word register
- 0002H
- Connection mode
- 0 = 3P4L, 1 = 3P3L
- Voltage range
- 0 = 400V, 1 = 100V
- Current range
- 0 = 5A, 1 = 1A
Registers in the map: 39. function 3 (holding registers). byte order big-endian. data types: dword, single, word.
| MODBUS offset | Description | Units | Data type | Scale |
|---|---|---|---|---|
| 3 | Pt ratio | word | ||
| 4 | Ct ratio | word | ||
| 35 | Decimal point U | word | formula | |
| 36 | Decimal point PQ | word | formula | |
| 34 | The statement of relays | word | ||
| 37 | Phase voltage A | V | word | formula |
| 38 | Phase voltage B | V | word | formula |
| 39 | Phase voltage C | V | word | formula |
| 40 | Line voltage AB | V | word | formula |
| 41 | Line voltage BC | V | word | formula |
| 42 | Line voltage AC | V | word | formula |
| 43 | Ia | A | word | formula |
| 44 | Ib | A | word | formula |
| 45 | Ic | A | word | formula |
| 46 | Pa | word | formula | |
| 47 | Pb | word | formula | |
| 48 | Pc | word | formula | |
| 49 | P total | word | formula | |
| 50 | Qa | word | formula | |
| 51 | Qb | word | formula | |
| 52 | Qc | word | formula | |
| 53 | Q total | word | formula | |
| 54 | Cosa | word | ×0.001 | |
| 55 | Cosb | word | ×0.001 | |
| 56 | Cosc | word | ×0.001 | |
| 57 | Cos total | word | ×0.001 | |
| 58 | Sa | word | ||
| 59 | Sb | word | ||
| 60 | Sc | word | ||
| 61 | S total | word | ||
| 62 | Frequency F | word | ×0.01 | |
| 63 | Measued im | kWh | dword | formula |
| 65 | Measued export | kWh | dword | formula |
| 67 | Measued import | kvarh | dword | formula |
| 69 | Measued export | kvarh | dword | formula |
| 71 | Real import | kWh | single | |
| 73 | Real export | kWh | single | |
| 75 | Real import | kvarh | single | |
| 77 | Real export | kvarh | single |