集智達-工控機,數據采集模塊,網絡安全計算機廠家-ISA-1202/1204

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首頁 >產品資訊>數據采集模塊系列>ISA總線串和通訊卡 >ISA-1202/1204

ISA總線串和通訊卡

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地址：北京市昌平區回龍觀北京國際信息產業基地發展路1號院（集智達大廈5層）

郵編：102206

電話：010-81909399

傳真：010-81909456

網址：http://www.gemotech.cn

E-mail：marketing@gemotech.cn

ISA-1202/1204

2/4端口RS-422/485通訊卡,可帶隔離和浪涌保護功能

主要特點

- 2/4 個獨立的 RS-422/485 串行端口
- 傳輸速率可達 921.6 Kbps
- 2/4 個串口使用單獨或共享的 IRQ
- 多個 lRQ 可供選擇：3,4,5,6,7,9,10,11,12或15
- 支持標準 DOS COM1、COM2（COM3及COM4）
- 提供 1000VDC 隔離保護
- 提供 2000 VDC 浪涌保護
- 預留終端電阻空間
- 支持 2 線或 4 線工作方式
- 支持 Tx、Rx、RTS 和 CTS 信號
- 自動 RS-485 數據流控制或 RTS 控制
- 支持 Windows/98/2000/XP,Linux

產品介紹
產品規格
檔案下載

2/4端口RS-422/485通訊卡,可帶隔離和浪涌保護功能

ISA-1202/1204 是一款帶有 2/4 個獨立RS-422/485串口的通訊卡。每個端口都使用了帶有 16 字節 FIFO 緩存的 16C550 UART芯片，用于高速可靠的串行 I/O。 UART 能夠在將數據發送到總線之前將其緩沖處理為 16 字節的數據包，這樣能夠明顯減輕 CPU 的負載，避免系統忙或無法及時處理中斷時的數據丟失。FIFO 緩存功能非常適合 Windows 下的高速串行 I/O。

ISA-1202IU/1204IU 卡上帶有光隔離器，能夠保護 PC 和設備免受干擾訊號沖擊的破壞，大大增強了系統在惡劣環境下的可靠性。
為了進一步增強系統的可靠性，ISA-1202IU/1204IU 還提供了過壓保護功能，能夠在電壓突然升高（可達 2000VDC）的情況下對您的系統起到有效的保護作用。RS-485 模式能夠自動判別入口數據流的方向，并將該數據切換到相應的傳輸方向。該功能使您的網絡就象是一個 RS-232 網絡，為半雙工 RS-232 所編寫的軟件幾乎不用修改即可直接使用。此外，您只需要使用一對雙絞線即可迅速組建一個 RS-485 網絡。

規格
- 端口 2/4
- UART 2/4 x 16C550, 帶16字節FIFO
- 速率 50 bps～921.6Kbps
- 校驗無校驗，偶校驗，奇校驗
- 信號支持 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 2000VDC
- 電纜 30厘米針型DB37到4針型DB9(DTE)
- 尺寸 185×100mm(7.3"×3.9")
- 功耗 +5V@970mA(典型),1.2(最大)
- 工作溫度 0～60℃
- 儲存溫度 -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,帶隔離和浪涌保護功能(含30厘米DB37到4 DB9電纜)

Driver

日期	說明	版本	操作系統	下載

Manual

日期	說明	版本	操作系統	下載

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