AP 5-2
2. USB interface cable pin definition
2.1 RS232/USB interface
USB interface, connects with PC or other USB interface devices
2.2 RS485/RJ45 interface
2.3 RS485/RJ45 pin definition
Pin No., 1 2 3 4 5 6 7 8
Define A B NC NC NC NC VCC GND
Note：
A/B phase signal (pin1&pin2) is differential mode data signal of RS485.
VCC&GND is the +5Vdc power supply provided by inverter internal power source.
3. Notice
Please turn off the power before you connect the cable..
When inverter is powered off during communication. PC software will show“communication error” .
If any error occurs during communication, check the wiring connection and restart the pc software.
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