Veikong VFD500 Series User Manual page 33

VFD500 high performance vector control frequency inverter user manual
external power supply to the COM terminal.
 4 85Communication terminal instructions
3-26 Single inverter RS485 directly communicates with the host computer
485+ 485- GND
Main site
3-16Multiple inverter RS485 is connected to the host computer for communication
VFD500
485+
485
485-
OFF
ON
GND
PE
485+ 485- GND
485
OFF
VFD500
Slave 1
ON
- 31-
Chapter3 Product appearance and wiring
PC tool RS485
communication interface
485+
485-
GND
485+ 485- GND
...
485
OFF
VFD500
Slave 2
ON
485+ 485- GND
485
OFF
VFD500
Slave N
ON