
HyTechWorks©2013 – V3.1 17
RS485 COM port number can be view from the device manager. Open the device
manager. Expand “Ports(COM & LPT)”. The “COM3” at the back of “HyCNC RS485
Com Port” is the RS-485 virtual com port number.
Note: the latest USB driver can be downloaded from
http://www.hytechworks.com/Downloads/HyCnc/HyCNC_4P/index_e.html
Multiple Connection
Total 127 USB device can be connected to a PC. They can be all HyCNC-4P if
possible. The difference between 2 HyCNC-4P is the USB serial number. The USB
serial number can be revealed by the following method.
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