PCL-746+-研华数据采集卡-深圳市康新祥有限公司

深圳市康新祥有限公司

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PCL-746+研华数据采集卡

参考价:	面议

参考价:

面议

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PCL-746+ 产品型号
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经销商 厂商性质
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深圳市康新祥有限公司

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产品简介

4端口RS-232/RS-422/RS-485通讯卡

产品介绍

主要特点

rs-485模式下的自动数据流控制

four independent rs-232/422/485 serial ports

4个独立的rs-232/422/485串行端口

speeds up to 115.2 kbps

传输速率可达115.2 kbps

interrupts (jumper se-lectable): 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15

中断（跳线选择）：3, 4, 5, 7, 9, 10, 11, 12 或 15

onboard interrupt status register for greater throughput

支持更高数据吞吐量的中断状态寄存器

automatic data flow control in rs-485 mode

rs-422 or rs-485 modes jumper se-lectable

space reserved for optional surge protection on all port lines (in rs-422/485 modes)

space reserved for termination resistors

compatible with arcnet? 4-port cards supporting sco unix/xenix

supports windows? 98/2000/xp, linux?

powerful and easy-to-use utility (icom tools)

内容介绍

the pcl-746+ is a four-port serial communication interface card. the main feature of this card is that each port can be configured individually to either rs-232, rs-422, or rs-485 using on-board jumpers. the card uses 16c550 uarts and improved interrupt handling for reliable operation at transmission speeds of up to 115.2 kbps. this pcl-746+ supports two operating modes: standard mode and enhanced mode. in standard mode, each of the four ports can be set up as either the address or the irq channel individually. in enhanced mode, all four ports can be set to share the same irq. when an onboard interrupt occurs, the interrupt status register indicates which port has generated it. the shared interrupt can be set to most common (extended) at interrupts. this simplifies programming, speeds up interrupt processing, and frees up interrupts for other devices.

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