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Item code: PCI-200L-i-SI


The PCI-200L-i-SI is designed for RS232, RS422/485 industrial communications. It supports optical isolation and surge protection. It supports 2 independent RS232, RS422 or RS485 ports. Each port can be configured separately.

Available modes :
RS232, RS422 full duplex
RS485 full duplex (4 wire)
RS485 half duplex (2 wire) with and without echo.

In RS485 modes applications enable transmission by simply sending data. This is done by ART (Automatic Receive Transmit Control) intelligence. The Transmitter is disabled exactly with the end of the last character sent. No modification is necessary in programs. The common control by RTS is possible for compatibility. In addition, hardware flow control and built-in termination resistors guarantee data integrity. Surge protection is also available for RS232 Signals to deliver high reliability. All of these features make the PCI-200I suitable for harsh industrial applications.


  • Multiport data acquisition
  • Industrial control
  • Factory automation
  • Embedded industrial machine
  • Remote serial device control



    I/O Controller: 2x 16C550C or compatible, each with 16-bytes Tx/Rx FIFO.
    Connector Type: Male DB9


    Bus interface: PCI version 2.1 (32-bit) Universal 3.3V / 5.0V
    Serial Interface: RS232, RS422 / 485

    No. of ports: 2
    Signals: RS232: Tx, Rx, CTS/RTS, DTR, DSR, DCD, GND
    RS422: TxD+/-, RxD+/-, RTS+/-, CTS+/-, GND
    RS485: Data+/-, GND

    RS485 data control: ART (Automatic Receive Transmit control) by RTS alternatively.

    Built-in termination resistor: RS422: 120 Ohm, RS485: 120 Ohm, jumper enable / disable


    Speed: Up to 921.6kbps.

    Maximum number of ports: Unlimited (4 ports per card, can install as many cards as you have slots available.)


    Parity: None, even, odd, space, mark
    Data bits: 5, 6, 7, 8
    Stop bits: 1, 1.5, 2
    IRQ: Assigned by system.

    I/O address: Assigned by system.

    Available modes:

    RS232: Full Duplex
    RS422: Full Duplex
    RS485: 4 wire, full duplex
    RS485: 2 wire, half duplex, with echo
    RS485: 2 wire, half duplex, without echo

    Power & Enviornment:

    Power Requirement: 430mA max. (+5V)
    Operation Temp.: 0C - 55C
    Dimensions: 135mm x 100mm
    Supports optical isolation and surge protection.

    Operating Systems Supported

    Windows 95, 98, ME, 2000, XP, Vista, 7, 8 & 10 with VSCom high performace driver.

    WIN NT 4.0 with VSCom high performance serial driver control panel applet.

    DOS: Virtuell address driver and compatability tools for real DOS Com port emulation.

    OS/2: Third party serial driver SIO.SYS available.

    Linux: VSCom high performance real tty driver.

    div.UNIX: configuration instructions

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    Product comes with a 1 year warranty, and a 30-day money back guarantee with no restocking fee.

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