To access the Lovato DMG 610 Modbus registers, you'll need a Modbus master device, such as a PLC or an HMI. The master device will send Modbus commands to read from or write to specific registers on the DMG 610.
Before polling registers, ensure your hardware settings match the device defaults: Modbus RTU Interface: RS485 (requires EXP1012 module) Baud Rate: 9600 bps (default) Data Bits: 8 Stop Bits: 1 Parity: None Default Address: 01 📊 Core Measurement Registers lovato dmg 610 modbus registers
| | Register Address (Decimal) | Modbus Address (Hex) | Data Type | Unit | Scaling | |---------------|-------------------------------|--------------------------|---------------|----------|--------------| | V12 (L1-L2) | 0 | 0x0000 | Float (AB CD) | V | ÷10 | | V23 (L2-L3) | 2 | 0x0002 | Float (AB CD) | V | ÷10 | | V31 (L3-L1) | 4 | 0x0004 | Float (AB CD) | V | ÷10 | | V1 (L1-N) | 6 | 0x0006 | Float (AB CD) | V | ÷10 | | V2 (L2-N) | 8 | 0x0008 | Float (AB CD) | V | ÷10 | | V3 (L3-N) | 10 | 0x000A | Float (AB CD) | V | ÷10 | | A1 (L1) | 12 | 0x000C | Float (AB CD) | A | ÷1000 | | A2 (L2) | 14 | 0x000E | Float (AB CD) | A | ÷1000 | | A3 (L3) | 16 | 0x0010 | Float (AB CD) | A | ÷1000 | | P Total | 30 | 0x001E | Float (AB CD) | kW | ÷1000 | | Q Total | 36 | 0x0024 | Float (AB CD) | kVAR | ÷1000 | | S Total | 42 | 0x002A | Float (AB CD) | kVA | ÷1000 | | PF Total | 48 | 0x0030 | Float (AB CD) | — | ÷1000 | | Frequency (Hz) | 70 | 0x0046 | Float (AB CD) | Hz | ÷100 | | Active Energy Import | 134 | 0x0086 | Float (AB CD) | kWh | — | | Active Energy Export | 136 | 0x0088 | Float (AB CD) | kWh | — | To access the Lovato DMG 610 Modbus registers,
| | Solution | |----------------------------------------|------------------------------------------------------------------------------| | Wrong scaling (e.g., 2300 V instead of 230.0 V) | Always apply /10 for voltage, /1000 for current and power. | | Garbage float values | Check byte order – DMG 610 uses AB CD (big-endian). Swap if needed. | | Cannot write to config registers | Write 1 to Reg 4999 first (unlock), then write config, then Reg 4999 = 0 . | | Communication timeout | Verify serial settings match device (often 19200, 8E1 for DMG 610). | | | Garbage float values | Check byte