Research Article
Low-Cost SCADA System Using Arduino and Reliance SCADA for a Stand-Alone Photovoltaic System
Table 2
Allocation of MODBUS address for MODBUS RTU.
| | Number | Variable name | MODBUS RTU address |
| | (1) | Voltage of photovoltaic system | 0 | | (2) | Current of photovoltaic system | 1 | | (3) | Voltage of battery | 2 | | (4) | Current of battery | 3 | | (5) | Efficiency of MPPT | 4 |
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