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8-Port RS-232/422/485 serial communications board

DNx-SL-508, DNA-SL-508, DNR-SL-508, DNF-SL-508

Features

  • 8 independent ports
  • Each port is software-configurable as RS-232 or RS-422/485
  • Max speed of 256Kbit/s for RS-232 and 1Mbit/s for RS-422/485
  • Completely independent bit rate settings for every port
  • 350V isolation between ports, ports and circuitry; 15kV ESD
  • Includes UEI-RSS Remote Serial Server application, Windows and Linux versions
8-Port RS-232/422/485 serial communications board
Product Style: What do the "DNx" prefixes mean? "DNA" prefix is for a Cube & MIL Cube Board, "DNR" prefix is for a Rack & MIL Rack Board , and "DNF" prefix is for a FLATRACK board.
Software/Programming: How UEI solutions are used. Hosted - Connected to a PC with Windows, Linux, QNX, VxWorks, RTX, or similar OS. Hosted also is for OPC-UA, Modbus and EtherCAT. Standalone - Controller with Linux or VxWorks OS, Simulink I/O Target or UEILogger. Available options for this product are shown in the drop down menu.
Quantity: $1200
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Typically in stock for 1-2 week delivery.

The DNx-SL-508 are 8-port serial communications interfaces for Cube/RACKtangle I/O chassis respectively. The boards offer fully isolated software-configurable RS-232 or RS-485 interfaces. The board is an ideal interface to serial based data acquisition and control interfaces as well as general purpose serial I/O.

The DNx-SL-508 support standard serial transfer rates up to 1 Mbaud in RS-485 mode or up to 256 kbaud in RS-232 mode. It also supports communications at 12, 12.5 and 50 kbaud with better than 0.1% data rate accuracy. Based upon an industry standard 16550 UART on each port, the board supports both half- and full-duplex modes for RS-422/485 operation.

The DNx-SL-508 are compatible with RS-422 point to point or network applications when used in RS-485 mode and provide 200Ω software-selectable TX and/or RX termination for RS-485 communications.

In RS-232 mode, the layer provides TX and RX as well as the standard RTS and CTS hardware hand shaking signals required by many external serial devices. The DNx-SL-508 is supported by the UEIDAQ Framework providing a simple and complete software interface to all popular programming languages, operating systems and data acquisition and control applications (e.g. LabVIEW, MATLAB).

The DNx-SL-508 includes the UEI-RSS Remote Serial Server application, Windows and Linux versions. This server allows a Windows or Linux host PC to configure the DNx-SL-508 ports as standard serial ports within the host OS (e.g. as COM1: to COM255: ports in Window or standard POSIX functions in Linux). The UEI-RSS supports up to 255 unique serial ports per Ethernet port on the host.

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Compatibility

  • PowerDNA
  • UEIPAC
  • UEILogger
  • UEISIM