Bộ chuyển Waveshare Industrial USB TO RS485 (B) Bidirectional Converter, Onboard original CH343G

Bộ chuyển Waveshare Industrial USB TO RS485 (B) Bidirectional Converter, Onboard original CH343G, Multi-Protection Circuits được Waveshare thiết kế chuẩn công nghiệp với hai IC chuyên dụng chính hãng là CH343G và SP485EEN, ngoài ra còn có các thiết kế bảo vệ chống nhiễu như: chống tia lửa điện, cầu chì tự phục hồi, bảo vệ ESD, TVS Diode,...cho tốc độ truyền, độ ổn định và độ bền cao nhất, thích hợp sử dụng với các ứng dụng RS485 trong công nghiệp.

Thông số kỹ thuật:

• SKU: 22456
• Part Number: USB TO RS485 (B)
• Model: Waveshare Industrial USB to RS485 (B) Converter, Onboard original CH343G, Multi-Protection Circuits
• Adopt original CH343G and SP485EEN, fast communicating, stable and reliable, better compatibility
• Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightning-proof & anti-electrostatic
• Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance
• 3 LEDs for indicating the power and transceiver status
• Baudrate: 300bps ~ 3Mbps
• Host port: USB
• Device port:  RS485
• USB:
  • Operating voltage: 5V
  • Connector: USB-A
  • Protection: 200mA self-recovery fuse, ESD protection
  • Transmission distance: about 5m
• RS485:
  • Connector: screw terminal
  • Pins: A+, B-, GND
  • Direction control: hardware automatic control
  • Protection: 600W lightning-proof and surge-suppress, 15KV ESD protection (onboard 120R balancing resistor)
  • Transmission distance: about 1200m (low rate)
  • Transmission mode: point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)
• LED indicators:
  • PWR: red power indicator, light up when there is USB connection and voltage is detected
  • TXD: red TX indicator, light up when the USB port sends data
  • RXD: red RX indicator, light up when the device ports send data back
• Operating environment:
  • Temperature: -15℃ ~ 70℃
  • Humidity: 5%RH ~ 95%RH
• Operating system: Mac, Linux, Android, WinCE, Windows 10 / 8.1 / 8 / 7 / XP