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ISA總線串和通訊卡

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ISA-1202/1204

2/4端口RS-422/485通訊卡,可帶隔離和浪涌保護(hù)功能

主要特點(diǎn)

- 2/4 個(gè)獨(dú)立的 RS-422/485 串行端口
- 傳輸速率可達(dá) 921.6 Kbps
- 2/4 個(gè)串口使用單獨(dú)或共享的 IRQ
- 多個(gè) lRQ 可供選擇：3,4,5,6,7,9,10,11,12或15
- 支持 DOS COM1、COM2（COM3及COM4）
- 提供 1000VDC 隔離保護(hù)
- 提供 2000 VDC 浪涌保護(hù)
- 預(yù)留終端電阻空間
- 支持 2 線或 4 線工作方式
- 支持 Tx、Rx、RTS 和 CTS 信號(hào)
- 自動(dòng) RS-485 數(shù)據(jù)流控制或 RTS 控制
- 支持 Windows/98/2000/XP,Linux

產(chǎn)品型錄

產(chǎn)品介紹
產(chǎn)品規(guī)格
檔案下載

2/4端口RS-422/485通訊卡,可帶隔離和浪涌保護(hù)功能

ISA-1202/1204 是一款帶有 2/4 個(gè)獨(dú)立RS-422/485串口的通訊卡。每個(gè)端口都使用了帶有 16 字節(jié) FIFO 緩存的 16C550 UART芯片，用于串行 I/O。 UART 能夠在將數(shù)據(jù)發(fā)送到總線之前將其緩沖處理為 16 字節(jié)的數(shù)據(jù)包，這樣能夠減輕 CPU 的負(fù)載，避免系統(tǒng)忙或無法及時(shí)處理中斷時(shí)的數(shù)據(jù)丟失。FIFO 緩存功能非常適合 Windows 下的串行 I/O。

規(guī)格
- 端口 2/4
- UART 2/4 x 16C550, 帶16字節(jié)FIFO
- 速率 50 bps～921.6Kbps
- 校驗(yàn) 無校驗(yàn)，偶校驗(yàn)，奇校驗(yàn)
- 信號(hào)支持 TxD+,TxD-,RxD+,RxD-,CTS+,CTS-,RTS+和RTS-
- I/O地址 200H 到 3F8H
- IRQ 3,4,5,6,7,9,10,11,12或15
- 隔離電壓 1000VDC
- 浪涌保護(hù) 2000VDC
- 電纜針型DB37到4針型DB9(DTE)
- 尺寸 185×100mm(7.3"×3.9")
- 功耗 +5V@970mA,1.2
- 工作溫度 0～60℃
- 儲(chǔ)存溫度 -25～85 ℃

訂貨信息
·ISA-1202I 2端口高速RS-422/485通訊卡,帶隔離保護(hù)功能(含30厘米DB37到2 DB9電纜)
·ISA-1202IU 2端口高速RS-422/485通訊卡,帶隔離和浪涌保護(hù)功能(含30厘米DB37到2 DB9電纜)
·ISA-1204I 4端口高速RS-422/485通訊卡,帶隔離保護(hù)功能(含30厘米DB37到4 DB9電纜)
·ISA-1204IU 4端口高速RS-422/485通訊卡,帶隔離和浪涌保護(hù)功能(含30厘米DB37到4 DB9電纜)

Driver

日期	說明	版本	操作系統(tǒng)	下載

Manual

日期	說明	版本	操作系統(tǒng)	下載

基本文件流程錯(cuò)誤 SQL 調(diào)試

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1064:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') ) LIMIT 4' at line 1 [ SQL語句 ] : SELECT * FROM `fc_article` WHERE ( `article_id` IN () ) LIMIT 4
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SELECT * FROM `fc_article_cat` WHERE ( `cat_id` IN ('0','2','10','102') ) ORDER BY level asc [ RunTime:0.001215s ]
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ISA-1202/1204

Driver

Manual