• Address

    C-188, Sector 31-D, P&T Society,

    Korangi Industrial Area,

    Karachi-74900,

    Pakistan

     

  • Call us on

     +92-21-35070751

     +92-300-5776703

  • Mail us @

    info@pakplc.com

     

PCL-743B

2-port RS-422/485 Interface Cards


Main Features

  • Two independent RS-422/485 serial ports
  • 16C550 UARTs with on-chip 16-byte FIFO
  • Transmission speeds up to 921.6 kbps
  • I/O address and interrupt selectable
  • Wide IRQ selection: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15
  • Supports 2 wire or 4 wire operation
  • Supports Tx, Rx, RTS, and CTS signals
  • Automatic RS-485 data flow control or RTS control
  • Termination resistors jumper enable/disable
  • Space reserved for optional surge protection on data lines
  • Supports Windows® 98/2000/XP, Linux®
  • Powerful and easy-to-use utility (ICOM Tools)
 
Introduction

The PCL-743 series card provides two RS-422/485 serial ports. Each port utilizes a 16C550 UART with an on-chip 16-byte FIFO buffer for reliable, high-speed serial I/O. The UART buffer divides data into 16-byte packets before sending them onto the bus. This drastically reduces the CPU load and avoids data loss due to failure to respond to the interrupt request in time. The UART is especially useful for high speed serial I/O under Windows.
Specifications
Part Number PCL-743B-BE
Communication<br>Interfaces CAN -
Current Loop -
RS-232 -
RS-422 V
RS-485 V
Display Ports 2
Network Cable Connector Type N/A
Protection Isolation -
Surge -

 

 

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