gefran BDI50 Series

App4-2
2. USB Interface Cable Pin Definition
2.1 RS232/USB at PC side.
RS485/RJ45 connector at inverter side.
2.2 RS485/RJ45 Pin Definition.
Pin No.
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Define
A
B
NC
NC
NC
NC
VCC
GND
Note:
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.