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COM-1PD(USB)H Serial Communication USB I/O Unit RS-422A/485 1ch / Isolation and Surge Protection - Micro Converter Series

  • Discontinued
  • Standard Warranty1 yr
  • Extended WarrantyAvailable
  • com-1pd(usb)h_rgb_96dpi_500x500モーダルで開く
  • End of Repair Service: 2031/07/08

Check a compatible replacement

* The end of repair date may change depending on the situation.

  • Max. 921,600bps RS-422A/485 Serial Communication
  • Compatible to USB2.0/USB1.1 and not necessary to power this product externally as the bus power is used
  • Possibly used as Windows, Linux-standard COM ports
  • Up to 127 converters can be installed on a single PC
  • Equipped with buffer memory for transmitting 128 bytes and receiving 384 bytes
  • The control line for RS-422A/485 can be controlled and monitored by software.
  • *
    For details about an extended warranty, please contact us

Overview / Features

This product is an isolated micro converter for converting the USB port of PC into RS-422A/485 serial communications. Each converter has one channel RS-422A/485 communication port. Higher noise-resistant models with isolation between a PC and bus line as well as a surge protection circuit for communication ports. These products support a baud rate of up to 921,600bps and has separate 128-byte / 384-byte buffer memory for transmit and receive. Windows/Linux device driver is supported with this product.

  • Max. 921,600bps RS-422A/485 Serial Communication
    • The COM ports of this product support up to 921,600 bps. This product has one channel RS-422A/485-standard serial ports.
  • Compatible to USB2.0/USB1.1 and not necessary to power this product externally as the bus power is used
    • Compatible to USB2.0/USB1.1 and capable to achieve high speed transfer at Full Speed (12Mbps). Not necessary to power this product externally as the bus power of USB is used.
  • Possibly used as Windows, Linux-standard COM ports
    • Combining the product with our device driver COM-DRV makes it possible to use the product in the same manner as the COM ports of a PC. This product supports communication using DCB structures in the Win32 API and Linux-standard system calls. In addition, supplies a diagnostic program to confirm hardware operation and to perform a communication test with equipment.
  • Up to 127 converters can be installed on a single PC
    • Using a USB hub allows you to install up to 127 converters to a single PC.
  • Equipped with buffer memory for transmitting 128 bytes and receiving 384 bytes
    • This product is equipped with buffer memory for transmitting 128 bytes and receiving 384 bytes. These are FIFO format, useful for high speed communications and to reduce the load to the CPU when transmitting/receiving.
  • The control line for RS-422A/485 can be controlled and monitored by software.
    • The control lines for RTS+, RTS-, CTS+ and CTS- can be controlled and monitored using software.

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