Motor Controllers AC Variable Frequency Drives Type VariFlex
3
RVLF
Specications are subject to change without notice. Pictures are just an example. For special features and/or customization, please ask to our sales network. 13/12/2017 163
2. USB Interface Cable Pin Definition
2.1 RS232/USB at PC side
2.2 RS485/RJ45 Pin Definition.
RS485/RJ45 connector at inverter side.
1. A/B phase signal (Pin1&Pin2) is differential mode data signal of RS485.
2. VCC&GND is the +5Vdc power supply provided by inverter internal power source.
3. Notice
3-1. Please turn off the power before you connect the cable.
3-2. Once inverter is powered off during communication. PC software will show “communication
error”.
3-3. If there is any error during communication, please check the wiring connection and restart
the pc software.
pin 4
pin 1
pin 1
pin 8
Pin No. Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8
Dene B+ A- NC NC NC NC VCC GND
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