PACMotion VFD Syllabus
Section 11
GFK-3167B
December 2020
Serial RS-485 Communications to the VFD
49
Section 11:
Serial RS-485 Communications
to the VFD
1.
Make sure your PC supports an open USB port and plug in the USB-to-Serial device
(typical part number IC855-CABL-USB485).
This is wired to connect to the Optibus pins (4 and 5) of the VFD serial.
Figure 50: USB-to-Serial Devices
Your PC should recognize the USB device and assign a COM port.