Isolated USB to 4-Ch RS485 Converter (B), CH344L Chip, Multi-Protection, Multi-System Support

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Industrial Isolated USB To 4-Ch RS485 Converter (B)


CH344L | Stable Transmission | Multiple Devices Applicable | Multi-OS Compatible

 

Features At A Glance

  • Adopts original CH344L chip, fast communicating, stable and reliable, better compatibility
  • Supports USB to 4-ch isolated RS485, convenient for expanding multiple RS485 industrial serial devices
  • Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
  • Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
  • Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection
  • Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance
  • Onboard RS485 output terminal 120R resistors, enabled/disabled via DIP switch
  • 10 LEDs for indicating the power, device configuration status and transceiver status
  • Industrial grade metal case, supports wall-mount & rail-mount installation, solid and beautiful, easy to install

Specifications

PRODUCT TYPEIndustrial isolated USB to RS485 converter
HOST PORTUSB
DEVICE PORTRS485
BAUDRATE1200bps ~ 460800bps
USBOperating voltage5V
ConnectorUSB-B
Protection500mA resettable fuse, output isolation
ISOLATED RS485ConnectorScrew terminal
Direction controlHardware automatic control
Protection600W lightningproof and surge-suppress, 15KV ESD protection (onboard 120R matching resistors)
Transmission modePoint-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)
INDICATORSPWRPower indicator, lights up while the USB is connected and voltage is detected
ACTStatus indicator, lights up green while the driver is detected.
RXDRXD indicator, lights up when the device ports send data back
TXDTXD indicator, lights up when the USB port is sending data
OPERATING ENVIRONMENTTemperature-40 ~ 85℃
Humidity5%RH ~ 95%RH
OPERATING SYSTEMWin7/8/8.1/10/11, Mac, Linux, Android


Safer Isolated Design

  • Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
  • Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption

Multiple Protection, Safe And Stable

Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance.



Multi System Support

Supports Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7, Etc.



Transmission Distance Up To 1.2km

The USB Signal Can Be Converted Into 4 Balanced Differential RS485 Signals And The Transmission Rate Is Stable. The Reliable Speed Is 1200~460800bps, The Transmission Distance Is About 1.2km For RS485, And About 5 Meters For USB



Aluminium Alloy Enclosure

Aluminium Alloy Enclosure With Sand Blasting And Anodic Oxidation,
Solid And Durable, Fashionable And Good Hand Feeling
Wall-Mount & Rail-Mount Support, More Flexible For Industrial Installation


Interface Introduction



Outline Dimensions



What's in the box?

1 x USB TO 4CH RS485 (B)
1 x Rail-mount buckle
1 x USB type A to type B cable ~1.2m
1 x Screwdriver

Resources

www.waveshare.com/wiki/USB_TO_4CH_RS485_(B)
  • Availability: Out of Stock
  • Model: USB to 4-Ch RS485 Converter
  • Brand: WaveShare