集智达-工控机,数据采集模块,网络安全计算机厂家-ISA-1202/1204

ISA总线串和通讯卡

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ISA-1202/1204

2/4端口RS-422/485通讯卡,可带隔离和浪涌保护功能

主要特点

- 2/4 个独立的 RS-422/485 串行端口
- 传输速率可达 921.6 Kbps
- 2/4 个串口使用单独或共享的 IRQ
- 多个 lRQ 可供选择：3,4,5,6,7,9,10,11,12或15
- 支持 DOS COM1、COM2（COM3及COM4）
- 提供 1000VDC 隔离保护
- 提供 2000 VDC 浪涌保护
- 预留终端电阻空间
- 支持 2 线或 4 线工作方式
- 支持 Tx、Rx、RTS 和 CTS 信号
- 自动 RS-485 数据流控制或 RTS 控制
- 支持 Windows/98/2000/XP,Linux

产品型录

产品介绍
产品规格
档案下载

2/4端口RS-422/485通讯卡,可带隔离和浪涌保护功能

ISA-1202/1204 是一款带有 2/4 个独立RS-422/485串口的通讯卡。每个端口都使用了带有 16 字节 FIFO 缓存的 16C550 UART芯片，用于串行 I/O。 UART 能够在将数据发送到总线之前将其缓冲处理为 16 字节的数据包，这样能够减轻 CPU 的负载，避免系统忙或无法及时处理中断时的数据丢失。FIFO 缓存功能非常适合 Windows 下的串行 I/O。

规格
- 端口 2/4
- UART 2/4 x 16C550, 带16字节FIFO
- 速率 50 bps～921.6Kbps
- 校验无校验，偶校验，奇校验
- 信号支持 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
- 隔离电压 1000VDC
- 浪涌保护 2000VDC
- 电缆针型DB37到4针型DB9(DTE)
- 尺寸 185×100mm(7.3"×3.9")
- 功耗 +5V@970mA,1.2
- 工作温度 0～60℃
- 储存温度 -25～85 ℃

订货信息
·ISA-1202I 2端口高速RS-422/485通讯卡,带隔离保护功能(含30厘米DB37到2 DB9电缆)
·ISA-1202IU 2端口高速RS-422/485通讯卡,带隔离和浪涌保护功能(含30厘米DB37到2 DB9电缆)
·ISA-1204I 4端口高速RS-422/485通讯卡,带隔离保护功能(含30厘米DB37到4 DB9电缆)
·ISA-1204IU 4端口高速RS-422/485通讯卡,带隔离和浪涌保护功能(含30厘米DB37到4 DB9电缆)

Driver

日期	说明	版本	操作系统	下载

Manual

日期	说明	版本	操作系统	下载

基本文件流程错误 SQL 调试

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/usr/home/qyu61771/htdocs/ThinkPHP/Library/Behavior/ShowPageTraceBehavior.class.php ( 5.14 KB )

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语句 ] : SELECT * FROM `fc_article` WHERE ( `article_id` IN () ) LIMIT 4
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 11' at line 1 [ SQL语句 ] : SELECT * FROM `fc_article` WHERE ( `article_id` IN () ) LIMIT 11
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[8] Undefined index: level /usr/home/qyu61771/htdocs/Application/Home/Widget/ArtListBoxWidget.class.php 第 35 行.
[2] Invalid argument supplied for foreach() /usr/home/qyu61771/htdocs/Application/Home/Widget/ArtCatListBoxWidget.class.php 第 40 行.
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[2] Invalid argument supplied for foreach() /usr/home/qyu61771/htdocs/Application/Home/Widget/ArtCatListBoxWidget.class.php 第 40 行.
[2] Invalid argument supplied for foreach() /usr/home/qyu61771/htdocs/Application/Home/Widget/ArtCatListBoxWidget.class.php 第 40 行.
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