📄 pci7422.htm
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<body lang=ZH-CN style='tab-interval:36.0pt;text-justify-trim:punctuation'>
<div class=Section1>
<p class=MsoNormal><b style='mso-bidi-font-weight:normal'><span lang=EN-US
style='font-size:15.0pt;mso-bidi-font-size:10.0pt;font-family:Arial;mso-bidi-font-family:
"Times New Roman"'><span
style='mso-spacerun:yes'> </span>PCI-7422 12</span></b><b
style='mso-bidi-font-weight:normal'><span style='font-size:15.0pt;mso-bidi-font-size:
10.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>位</span></b><b
style='mso-bidi-font-weight:normal'><span lang=EN-US style='font-size:15.0pt;
mso-bidi-font-size:10.0pt;font-family:Arial;mso-bidi-font-family:"Times New Roman"'>32</span></b><b
style='mso-bidi-font-weight:normal'><span style='font-size:15.0pt;mso-bidi-font-size:
10.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>路</span></b><b
style='mso-bidi-font-weight:normal'><span lang=EN-US style='font-size:15.0pt;
mso-bidi-font-size:10.0pt;font-family:Arial;mso-bidi-font-family:"Times New Roman"'>A/D</span></b><b
style='mso-bidi-font-weight:normal'><span style='font-size:15.0pt;mso-bidi-font-size:
10.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>转换</span></b><b
style='mso-bidi-font-weight:normal'><span lang=EN-US style='font-size:15.0pt;
mso-bidi-font-size:10.0pt;font-family:Arial;mso-bidi-font-family:"Times New Roman"'><o:p></o:p></span></b></p>
<p class=MsoNormal><b style='mso-bidi-font-weight:normal'><span lang=EN-US
style='font-size:15.0pt;mso-bidi-font-size:10.0pt;font-family:Arial;mso-bidi-font-family:
"Times New Roman"'><span style='mso-spacerun:yes'> </span></span></b><b
style='mso-bidi-font-weight:normal'><span style='font-size:15.0pt;mso-bidi-font-size:
10.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>开关量</span></b><b
style='mso-bidi-font-weight:normal'><span lang=EN-US style='font-size:15.0pt;
mso-bidi-font-size:10.0pt;font-family:Arial;mso-bidi-font-family:"Times New Roman"'>16</span></b><b
style='mso-bidi-font-weight:normal'><span style='font-size:15.0pt;mso-bidi-font-size:
10.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>路</span></b><b
style='mso-bidi-font-weight:normal'><span lang=EN-US style='font-size:15.0pt;
mso-bidi-font-size:10.0pt;font-family:Arial;mso-bidi-font-family:"Times New Roman"'>TTL</span></b><b
style='mso-bidi-font-weight:normal'><span style='font-size:15.0pt;mso-bidi-font-size:
10.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>输入</span></b><b
style='mso-bidi-font-weight:normal'><span lang=EN-US style='font-size:15.0pt;
mso-bidi-font-size:10.0pt;font-family:Arial;mso-bidi-font-family:"Times New Roman"'><span
style='mso-spacerun:yes'> </span>16</span></b><b style='mso-bidi-font-weight:
normal'><span style='font-size:15.0pt;mso-bidi-font-size:10.0pt;mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial'>路</span></b><b style='mso-bidi-font-weight:
normal'><span lang=EN-US style='font-size:15.0pt;mso-bidi-font-size:10.0pt;
font-family:Arial;mso-bidi-font-family:"Times New Roman"'>TTL</span></b><b
style='mso-bidi-font-weight:normal'><span style='font-size:15.0pt;mso-bidi-font-size:
10.0pt;mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>输出板</span></b><b
style='mso-bidi-font-weight:normal'><span lang=EN-US style='font-size:15.0pt;
mso-bidi-font-size:10.0pt;font-family:Arial;mso-bidi-font-family:"Times New Roman"'><o:p></o:p></span></b></p>
<h2><span style='mso-ascii-font-family:Arial'>一、概述</span><span lang=EN-US
style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'><o:p></o:p></span></h2>
<p class=MsoNormal style='tab-stops:228.0pt'><span lang=EN-US style='font-family:
Arial;mso-bidi-font-family:"Times New Roman";letter-spacing:.25pt'><span
style='mso-spacerun:yes'> </span><span
style='mso-spacerun:yes'> </span>PCI-7422</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;letter-spacing:
.25pt'>是</span><span lang=EN-US style='font-family:Arial;mso-bidi-font-family:
"Times New Roman";letter-spacing:.25pt'>12</span><span style='mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;letter-spacing:.25pt'>位</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman";
letter-spacing:.25pt'>32</span><span style='mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;letter-spacing:.25pt'>路</span><span lang=EN-US
style='font-family:Arial;mso-bidi-font-family:"Times New Roman";letter-spacing:
.25pt'>A/D</span><span style='mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;letter-spacing:.25pt'>转换，</span><span lang=EN-US style='font-family:Arial;
mso-bidi-font-family:"Times New Roman";letter-spacing:.25pt'>16</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;letter-spacing:
.25pt'>路</span><span lang=EN-US style='font-family:Arial;mso-bidi-font-family:
"Times New Roman";letter-spacing:.25pt'>TTL</span><span style='mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;letter-spacing:.25pt'>电平开关量输入，</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman";
letter-spacing:.25pt'>16</span><span style='mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;letter-spacing:.25pt'>路</span><span lang=EN-US
style='font-family:Arial;mso-bidi-font-family:"Times New Roman";letter-spacing:
.25pt'>TTL</span><span style='mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;letter-spacing:.25pt'>电平开关量输出接口板，采用</span><span lang=EN-US
style='font-family:Arial;mso-bidi-font-family:"Times New Roman";letter-spacing:
.25pt'>PCI +5V</span><span style='mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;letter-spacing:.25pt'>总线标准，可插入工业</span><span lang=EN-US style='font-family:
Arial;mso-bidi-font-family:"Times New Roman";letter-spacing:.25pt'>PC</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;letter-spacing:
.25pt'>机或兼容机中。该接口板电路简单可靠</span><span lang=EN-US style='font-family:Arial;
mso-bidi-font-family:"Times New Roman";letter-spacing:.25pt'>,</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'> </span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>集成度高，可靠性好，</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>A/D</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>输入量程范围广，</span><span
style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'> </span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>通道多，板型尺寸小，深受用户欢迎。适用于各种工业现场的数据采集和测量。</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>A/D</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;letter-spacing:
.25pt'>采用高性能转换芯片</span><span lang=EN-US style='font-family:Arial;mso-bidi-font-family:
"Times New Roman";letter-spacing:.25pt'>AD1674</span><span style='mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;letter-spacing:.25pt'>（</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman";
letter-spacing:.25pt'>BB774</span><span style='mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;letter-spacing:.25pt'>），地址译码电路采用</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman";
letter-spacing:.25pt'>GAL</span><span style='mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;letter-spacing:.25pt'>芯片</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>。用户无需外配工作电源。</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'><o:p></o:p></span></p>
<p class=MsoNormal style='mso-line-height-alt:9.0pt'><span lang=EN-US
style='font-family:Arial;mso-bidi-font-family:"Times New Roman";letter-spacing:
.25pt'><span style='mso-spacerun:yes'> </span>PCI-7422</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;letter-spacing:
.25pt'>模拟量输入信号由</span><span lang=EN-US style='font-family:Arial;mso-bidi-font-family:
"Times New Roman";letter-spacing:.25pt'>XS1<span
style='mso-spacerun:yes'> </span>37</span><span style='mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;letter-spacing:.25pt'>芯</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman";
letter-spacing:.25pt'>D</span><span style='mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;letter-spacing:.25pt'>型孔头接入，可输入单端</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman";
letter-spacing:.25pt'>32</span><span style='mso-ascii-font-family:Arial;
mso-hansi-font-family:Arial;letter-spacing:.25pt'>路模拟量信号，通过改变跳线器就可选择不同的电压范围。</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>32</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>路开关量输入输出信号由</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>XS2<span
style='mso-spacerun:yes'> </span>40</span><span style='mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial'>芯</span><span lang=EN-US style='font-family:
Arial;mso-bidi-font-family:"Times New Roman"'>IDC40</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>转换为</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>DB37</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>接头与现场相连，此线出厂时提供。</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>PCI-7422</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>为四层模板，采用表贴芯片技术。<span
style='letter-spacing:.25pt'>本板占用</span></span><span lang=EN-US
style='font-family:Arial;mso-bidi-font-family:"Times New Roman";letter-spacing:
.25pt'>8</span><span style='mso-ascii-font-family:Arial;mso-hansi-font-family:
Arial;letter-spacing:.25pt'>个物理</span><span lang=EN-US style='font-family:Arial;
mso-bidi-font-family:"Times New Roman";letter-spacing:.25pt'>I/O</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial;letter-spacing:
.25pt'>端口地址，为</span><span lang=EN-US style='font-family:Arial;mso-bidi-font-family:
"Times New Roman";letter-spacing:.25pt'>BASE+0H</span><span style='mso-ascii-font-family:
Arial;mso-hansi-font-family:Arial;letter-spacing:.25pt'>～</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman";
letter-spacing:.25pt'>BASE+07H<o:p></o:p></span></p>
<p class=MsoNormal style='text-indent:21.0pt;mso-line-height-alt:9.0pt'><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>PCI-7422</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>出厂时提供</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>Win95/98/2000/NT</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>下测试程序和动态链接程序（</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>DLL</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>）及编程指导（</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>DEMO</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>程序），有</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>VB/VC</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>采集程序例程，并提供两年的质保服务。由于是</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>PCI</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>总线，用户不必关心板卡的实际地址，安装板卡时，</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>PCI</span><span
style='mso-ascii-font-family:Arial;mso-hansi-font-family:Arial'>协议自动分配该板的基地址。</span><span
lang=EN-US style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'><o:p></o:p></span></p>
<h2><span style='mso-ascii-font-family:Arial'>二、主要技术指标</span><span lang=EN-US
style='font-family:Arial;mso-bidi-font-family:"Times New Roman"'>:<o:p></o:p></span></h2>
<p class=MsoNormal style='text-indent:24.0pt'><span lang=EN-US
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