| Brand / Company | Modbus slave device | Description | Parameter | Slave address* (default) User defined | Register index (hexadecimal view) | Function code | Data type | Data ordering | Polling period |
|---|---|---|---|---|---|---|---|---|---|
| Circutor | CVM-C10 series | Power analyzer, panel | Voltage, V | 1 | 0000 | Read input register (0x04) | 32 bits unsigned int | high byte first, high word first | 10 seconds |
| Frequency, Hz | 003C | ||||||||
| Eastron | SDM220 series | Energy meter | Voltage, V | 1 | 0000 | Read input register (0x04) | 32 bits IEEE 754 floating point | high byte first, high word first | 10 seconds |
| Active power, Watts | 000C | ||||||||
| Frequency, Hz | 0046 |
Slave address* - Usually is set to 1 by the manufacturer. This parameter can be changed manually.