FTDI Isolated USB to RS485 Serial Converter Adapter

Pinout: Data A+, Data B-, GND

Chip: Geniune FTDI Chip import from UK .

FTDI Driver: www.ftdichip.com

System Support: Win7/8/10/XP/Android/Mac OS/Linux/Wince/Linux/Vista

Package: 1 X FTDI RS485 Serial Adapter

FT232RL magnetically isolated USB to RS-485 serial port

Isolated USB to RS-485 serial port is suitable for high-demand industrial occasions. It realizes USB to RS-485 interface, 1500V complete electrical isolation, integrated isolated power supply (no need for external power supply), integrated high-speed automatic converter circuit, automatic transmission and reception switching, integration Static protection, pulse protection, over-current protection and lightning protection, effectively avoid computer USB damage, computer crashes and blue screens caused by strong interference, and ensure communication stability.

main feature

● The original FT232RL chip supports standard baud rates such as 2400/9600/115200/921600.

●Support Windows/Mac/Linux 32/64 bit operating system, compatible with the original serial port program.

● Proprietary automatic flow control circuit, no need to send and receive switching, the speed can reach 921600bps 8 times that of similar products of 115200bps.

● ADI's third-generation integrated isolation chip ADUM3201, with good waveform, fast speed, low error code and high reliability.

● Increase the isolation and partition area, slot the PCB, reserve enough creepage distance, and improve safety.

●Integrated special chip SM712 for electrostatic ESD protection (performance is better than ordinary TVS tube of similar products)

●Integrated pulse protection TVS.

●Integrated over-current protection self-recovery fuse

●Integrated gas discharge tube for lightning protection.

●Onboard pins, pluggable 120R balance resistance, convenient for terminal debugging.

●The pluggable terminal block is reliable and convenient.

●Integrated power supply, sending and receiving LED indicators, observe the communication status.

●100% original chips, brand new materials, shipped after 100% testing.

Special Note

● This serial port is a true isolation type, and GND and communication pins are isolated, instead of false isolation where GND is not isolated, please pay attention to distinguish.

● Some isolated serial ports need an external power supply to be used. This serial port does not require an external power supply and can be used by plugging in a USB.

About FT232RL

The FT232R is the latest device to be added to FTDI?s range of USB UART interface Integrated Circuit Devices. The FT232R is a USB to serial UART interface with optional clock generator output, and the new FTDIChip-ID? security dongle feature. In addition, asynchronous and synchronous bit bang interface modes are available. USB to serial designs using the FT232R have been further simplified by fully integrating the external EEPROM, clock circuit and USB resistors onto the device.

The FT232R adds two new functions compared with its predecessors, effectively making it a "3-in-1" chip for some application areas. The internally generated clock (6MHz, 12MHz, 24MHz, and 48MHz) can be brought out of the device and used to drive a microcontroller or external logic. A unique number (the FTDIChip-ID?) is burnt into the device during manufacture and is readable over USB, thus forming the basis of a security dongle which can be used to protect customer application software from being copied.

• Single chip USB to asynchronous serial data transfer interface.

• Entire USB protocol handled on the chip - No USB-specific firmware programming required.

• UART interface support for 7 or 8 data bits, 1 or 2 stop bits and odd / even / mark / space / no parity.

• Fully assisted hardware or X-On / X-Off software handshaking.

• Data transfer rates from 300 baud to 3 Megabaud (RS422 / RS485 and at TTL levels) and 300 baud to 1 Megabaud (RS232).

• In-built support for event characters and line break condition.

• New USB FTDIChip-ID? feature.

• New configurable CBUS I/O pins.

• Auto transmit buffer control for RS485 applications.

• Transmit and receive LED drive signals.

• New 48MHz, 24MHz,12MHz, and 6MHz clock output signal Options for driving external MCU or FPGA.

• FIFO receive and transmit buffers for high data throughput.

• 256 Byte receive buffer and 128 Byte transmit buffer utilising buffer smoothing technology to allow for high data throughput.

• Adjustable receive buffer timeout.

• Synchronous and asynchronous bit bang mode interface options with RD# and WR# strobes.

• New CBUS bit bang mode option.

• Integrated 1024 bit internal EEPROM for I/O configuration and storing USB VID, PID, serial number and product description strings.

• Device supplied preprogrammed with unique USB serial number.

• Support for USB suspend / resume.

• Support for bus powered, self powered, and high-power bus powered USB configurations.

• Integrated 3.3V level converter for USB I/O .

• Integrated level converter on UART and CBUS for interfacing to 5V - 1.8V Logic.

• True 5V / 3.3V / 2.8V / 1.8V CMOS drive output and TTL input.

• High I/O pin output drive option.

• Integrated USB resistors.

• Integrated power-on-reset circuit.

• Fully integrated clock - no external crystal, oscillator, or resonator required.

• Fully integrated AVCC supply filtering - No separate AVCC pin and no external R-C filter required.

• UART signal inversion option.

• USB bulk transfer mode.

• 3.3V to 5.25V Single Supply Operation.

• Low operating and USB suspend current.

• Low USB bandwidth consumption.

• UHCI / OHCI / EHCI host controller compatible.

• USB 2.0 Full Speed compatible.

• -40degC to 85degC extended operating temperature range.

Drivers are available which allow FTDI devices to work with the following operating systems:

• Windows 8.1

• Windows 8.1 x64

• Windows 8

• Windows 8 x64

• Windows Server2012

• Windows Server 2008 R2

• Windows 7

• Windows 7 x64

• Windows Server 2008

• Windows Server 2008 x64

• Windows Vista

• Windows Vista x64

• Windows Server 2003

• Windows Server 2003 x64

• Windows XP

• Windows XP x64

• Windows ME

• Windows 98

• Linux

• Mac OS X

• Mac OS 9

• Mac OS 8

• Windows CE.NET (Version 4.2 and greater)

• Android

• Windows RT

Support for WinCE7.0
Initial functional testing conducted by FTDI has shown that the FTDI drivers function as expected on Windows CE 7.0

Support for older versions of Windows Desktop

NOTE: Microsoft have ended support for certifying XP and VISTA through their WHCK test program. As such current builds will still work on XP and VISTA but are not Microsoft certified.

Differences in Driver API

For most of these operating systems two types of driver are available: Virtual COM Port (VCP) drivers and direct (D2XX) drivers. The VCP driver emulates a standard PC serial port such that the USB device may be communicated with as a standard RS232 device. The D2XX driver allows direct access to a USB device via a DLL interface.

To locate the drivers you want to install for a device, select which of the driver types you wish to use (VCP or D2XX) and then locate the appropriate operating systems. With the exception of Windows 98 and Windows ME, all devices are supported in each driver package.

If a VCP driver is required for Android please refer to the following application note: TN 132 Adding FTDI Devices VCP Driver Support to Android

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