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產品資訊
PCL-741

PCL-741

  • RS-232, RS-422, RS-485 or current-loop interface
  • 16C550 UART with 16-byte FIFO
  • Transmission speeds up to 921.6 kbps
  • Flexible I/O address and IRQ selection
  • IRQ: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15
  • Complete RS-232 modem control signals
  • Supports 4-wire or 2-wire operation for RS-422/485
  • Automatic RS-485 data flow control
  • Space reserved for termination resistors
  • Supports Windows® 98/ME/2000/XP, Linux
  • Powerful and easy-to-use utility (ICOM Tools)

產品介紹
The PCL-740 offers a versatile range of high speed interfacing options. You can switch its single port between the popular RS-232, long distance RS-422, multi-drop RS-485, or noise-resistant current-loop. The card’s 16C550 UART has an on-chip 16-byte FIFO buffer for faster and more reliable communication, especially under Windows.
The card has two 16C550 UARTs with on-chip 16-byte FIFO buffers. The UARTs buffer data into 16-byte packets before sending it to the bus. This drastically reduces CPU load and avoids data loss when the system is busy and cannot process the interrupt quickly. These FIFO buffers make the PCL-741 especially suitable for high speed serial I/O under Windows. Onboard optical isolators protect your PC and equipment against damage from ground loops, increasing system reliability in harsh environments.


產品規格  

Specifications

General

Card Interface ISA

Certifications CE

Connectors PCL-740: 1 x DB9-M, 1 x DB25-M PCL-741, PCL-743, PCL-745: 2 x DB9-M PCL-746+: 1 x DB37-F

Dimensions 185 x 100 mm(7.3" x 3.9")

Power Consumption PCL-740: +5 V @ 180 mA max., ±12 V @ 20 mA max. PCL-741: +5 V @ 300 mA (typical), +5 V @1.1 Amax. PCL-743, PCL-745: +5 V @ 400 mA typical, 950 mA max. PCL-746+: +5 V @ 800 mA typical,1.5 Amax. ±12 V @ 60 mA typical, 120 mA max.

Weight (Gross) PCL-740,PCL-741, PCL-743, PCL-745:0.6 kg(1.3 lb) PCL-746+:1.1 kg(2.4 lb) (including cable)

Communications

Data Bits 5, 6, 7, 8

Data Signals RS-232: Tx, Rx, CTS, RTS, DTR, DSR, DCD, GND, RI Current loop: Tx+, Tx-, Rx+, Rx- RS-422: Tx+, Tx-, Rx+, Rx-, GND, CTS+, CTS-, RTS+, RTS-RS-485: Data+, Data-, GND

I/O Address From 200H to3F8H (for PCL-740/741/743/745) From 000h to3F8H (for PCL-746+)

IRQ 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15

Ports PCL-740: 1, PCL-741: 2 PCL-743, PCL-745: 2 PCL-746+: 4

Parity None, even, odd

Protocols PCI-740: RS-232/422/485, current-loop PCI-741: RS232, current-loop PCI-743, 745: RS-422/485 PCI-746+: RS-232/422/485

 Speed PCL-740, PCL-741: 50 bps ~ 115.2 kbps (for RS-232/422/485)

     50 bps ~ 57.6 kbps (current-loop) PCL-743, PCL-745: 50 bps ~ 921.6 kbps PCL-746+: 50 bps ~ 115.2 kbps

 Stop Bits 1, 1.5, 2

 UART PCL-743, PCL-745: 2 x16C550 with 16-byte FIFO PCL-746+: 4 x16C550 16-byte FIFO PCL-740: 1 x16C550 with 16-byte FIFO PCL-741: 2 x16C550 with 16-byte FIFO

Protection

 Isolation Protection 2500 VDC (PCL-741), 3000 VDC (PCL-745B/745S)

 EFT Surge Protection 2500 VDC (PCL-743S/745S)

Software

 Bundled Software ICOM Tools

 Driver Support Windows 98/ME/2000/XP, Linux

Environment

 Operating Temperature PCL-740, PCL-741,PCL-746+: 0 ~ 50° C (32 ~ 122° F) PCL-743, PCL-745: 0 ~ 65° C (32 ~ 149° F)

Ordering Information

PCL-740 RS-232/RS-422/RS-485/current-loop serial interface card

PCL-741 Isolated dual-port RS-232/current-loop interface card.

PCL-743B 2-port RS-422/485 communication card

PCL-743S 2-port RS-422/485 communication card with EFT surge protection

PCL-745B 2-port RS-422/485 communication card with isolation protection

PCL-745S 2-port RS-422/485 communication card with isolation and EFT Surge Protection

PCL-746+ 4-port RS-232/422/485 communication card (30 cmDB37 to 4 DB25 cable included)

                      PCL-746+/9 4-port RS-232/422/485 communication card (30 cmDB37 to 4 DB9 cable included)

* 上述商品規格僅供參考,實際規格以實物為準。


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