The USB TO 4CH RS485 is an industrial-grade USB to 485 non-isolated converter. It incorporates the CH344L and SP485EEN original chips, providing enhanced stability and compatibility.
The converter offers automatic transmit-receive conversion. It boasts characteristics such as high-speed, stable, reliable, and secure communication. This converter is suitable for various industrial control equipment or applications with demanding communication requirements.
Specifications & Features:
- Incorporated CH344L and SP485EEN chips.
- Onboard RS485 output terminal 120R resistors, enabled/disabled via DIP switch.
- Protection diodes offer lightning protection, over-voltage & over-current protection.
- A resettable fuse.
- ESD and TVS protection circuits.
- Aluminum alloy enclosure.
- 5V power supply.
- 23.6mA operating current.
- 1200bps - 460800bps baud rate.
- -40℃~85℃ operating temperature.
- Supports Mac OS, Linux, Windows 11 / 10 / 8.1 / 8 / 7, Android operating systems.
PE: Signal ground
A(1-4): Differential signal A+
B(1-4): Differential signal B-
LED Indicator Description:
PWR: Power indicator, lights up while the USB is connected and voltage is detected.
ACT: Status indicator, lights up green while the driver is detected.
RXD(1-4): Blue RXD indicators, light up when the device ports send data back (corresponding to 4 channels respectively).
TXD(1-4): Blue TXD indicators, light up when the USB port is sending data (corresponding to 4 channels respectively).
Units are illustrated in millimeters.
Wiki: https://www.waveshare.com/wiki/USB_TO_4CH_RS485
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