iMars grid-tied solar inverters Monitoring communication
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7.1 Standard communication
The standard communication mode of iMars grid-tied solar inverter is RS485 which includes
“RS485” and “EXT” ports. The two ports can both communicate with private computers, smart
phones and so on. The system monitoring solution are shown as figure 7.1.
Figure 7.1 Monitoring system of inverter
Table 7-1 Pins on inverter instruction
Pin on inverter Definition
1 +5VDC
2 A (RS485+)
3 B (RS485-)
4 GND
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