![]() We recommend our 4-wire RS485 USB interface for symmetric bus connections. We recommend downloading the required USB driver for your operating system from WCH official website. Maybe FT232 or PL210x would be a good bet. You could use a better USB UART interface instead of the built-in CH340, although I am not sure what makes actually support the M1. LaserGRBL is able to load any image, pictures and logo and send to your laser engrave. 1 The CH340s have always been a problem with macs even before the M1. Will be recognized as a standard COM port from your computer. LaserGRBL is one of the best Windows software for image Laser Engraving. USB to RS485 Interface converter for communication up to 4000 ft distance at 100kbps over a single twisted pair!Ĭhipset CH340G with drivers for Windows, MacOS and Linux. The adapter connects to the USB port of the computer and converts the data sent over USB into an RS485 signal that can be transmitted over the RS485 network, and vice versa. This type of adapter is useful when you want to connect a computer or other USB-enabled device to an RS485 network for communication purposes. The CH340 chipset is a low-cost USB-to-serial adapter that is commonly used in low-cost USB-to-RS485 adapters. With a 2-wire RS485 interface, only 2 wires are used for transmitting and receiving data. ![]() NOTE: the suggested driver was a solution for Mac OS Sierra. I’ve found an alternative driver (8) that was really worth the money. The reason is that the drivers are not signed correctly. The “2 wire” in the description refers to the number of wires used for the RS485 communication. Unfortunately, with OSX Sierra, the official CH340 driver cause a Kernel Panic (freeze + reboot) of the Mac when a device is connected. A USB to RS485 Interface Adapter with a CH340 chipset is a device that allows you to convert a USB signal to an RS485 signal and vice versa.
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