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Fully automatic transceiver circuit with no delay, ensures the USB port communicates with different interfaces fastly and stably, without interfering each other
Aluminium alloy enclosure, solid and durable
3 LEDs for indicating the power and transceiver status
High quality USB-B and RS232 connectors, smoothly plug/pull
Specifications
(1) USB
Operating voltage : 5V
Connector: USB-B
Protection : 200mA self-recovery fuse, isolated output
(2) RS232
Connector: DB9 male
Protection: TVS diode, surge protection & ESD protection
Transmission mode: Point-to-point
Baud rate: CH343G: up to 600000 bps (not full band)
(3) RS485
Connector: Screw terminal
Pins: A+/B-/GND
Direction control: Hardware automatically discriminates and controls the direction of data transmission
Protection : 600W lightningproof and surge-suppress, 15KV ESD protection (reserved 120R balancing resistor solder pads
Transmission mode: Point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)
Baud rate: CH343G: up to 2 Mbps (not full band)
(4) TTL (UART)
Operating voltage: 3.3V / 5V
Connector : Screw terminal
Pins: TXD, RXD, GND, 5V
Protection: clamp protection diode, over-voltage/negative-voltage proof, shock proof performance
Transmission mode : Point-to-point
Baud rate : CH343G: up to 2 Mbps (not full band)
(5) Indicators
PWR: Red power indicator, light up when there is USB connection and voltage is detected
TXD: Green TX indicator, light up when the USB port sends data
RXD: Blue RX indicator, light up when the device ports send data back
(6) Operating environment
Temperature: -15℃ ~ 70℃
Humidity: 5%RH ~ 95%RH
Online Document: n9.cl/3zlsz
Package Content
USB Converter x1
USB Cable ~1.2m x1
Pcfixer
Reviewed in the United States on May 25, 2024
I used this to interface the spindle on my CNC with the control software. I had tried a different one which didn't work, so I ordered this one to give it another try, and it worked perfectly. Used with a Chinese HY VFD and Mach3 software
Edgar Cepeda
Reviewed in the United States on August 2, 2023
Este producto fue muy fácil de configurar y usar. Además de su actualización de drivers automática. Lo uso en la configuración de equipos con mod bus interface. Totalmente recomendado.
Ammunist
Reviewed in the United States on July 6, 2023
I used this to program and test sensors before I incorporate them into control panels for automation. I run Modbus/RTU over the device, using modpoll. Works wonderful.
Sandeep A.
Reviewed in Saudi Arabia on November 26, 2023
Perfectly working
Dan
Reviewed in the United Arab Emirates on April 8, 2023
From my experience, FTDI based USB/serial converters are the most reliable, working without problems in all versions of Windows (from XP to 11).On my laptop (where I was using before other FTDI converters) was immediately recognized by system and new COM port was assigned.Here, one advice for high speed devices:After installing the FTDI drivers, in USB Serial Port (COMn) port settings / Advanced / Latency Timer (msec), choose minimum (1ms).I was able to communicate with RTU Modbus (RS485) device at 10Hz.It is a limitation of remote device refresh rate =10 readings/second (4 channels, A/D 16bit conversion).Connection was OK, without errors or data lost.On the PCB:- FT232RL- PAI141E61 (quad digital isolator 200Mbps, 5kV - almost similar with ADuM141)- Mornsun B0505LS (5v/5v DC/DC converter 1W)- SP485EE (RS485 driver) + on board 120 ohm resistor with jumper- SP3232 (RS232 driver)- LEDs for Power, Tx, Rx- lot of protections (ESD?) on RS485 RS232- TTL RS232 selectable 3V3/5V- at DB9 RS232, only Tx/Rx signals are available.Looks well designed for industrial environment, working perfect in our applications.
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