24 Installation Instructions
updated via RS232. Because an inverter can only communicate with one PC through
RS232 at the same time, this communication method is usually used during updating
the software。
The definition of the pins of RS232:
Pin1--------NC
Pin2--------TX
Pin3--------RX
Pin4--------NC
Pin5--------GND
Pin6--------NC Pin8--------NC
Pin7--------NC Pin9--------NC
The connected graph of RS232 for communication:
Notes
：
If your computer doesn’t have the DB9 communication interface,
you can use RS232-USB cable to achieve this function.
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