PCL-740-电流环串行通讯卡-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-740电流环串行通讯卡

参考价:	面议

参考价:

面议

具体成交价以合同协议为准

PCL-740 产品型号
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经销商 厂商性质
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访问次数：418更新时间：2022-03-20 08:00:21

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产品简介

RS-232/422/485/电流环串行通讯卡

产品介绍

主要特点

rs-232, rs-422, rs-485 or current-loop interface

rs-232, rs-422, rs-485或电流环接口

16c550 uart with 16-byte fifo

带16字节fifo的16c550 uart

transmission speeds up to 115 kbps

传输速率可达115 kbps

flexible i/o address and irq se-lection

灵活的i/o地址及irq选择

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

irq: 3, 4, 5, 6, 7, 9, 10, 11, 12 或 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 com1, com2, com3, or com4

supports windows? 98/2000/xp, linux?

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

内容介绍

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-dr-op 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 putting it on the bus. this drastically reduces cpu load and avoids data loss when the system is busy and cannot process the interrupt quickly.

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