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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html lang="en"><head><title>Prometheus - Universal Driver Documentation</title><meta http-equiv="Content-type" content="text/html; charset=iso-8859-1"><meta name="robots" content="index,follow"><link rel="shortcut icon" href="/favicon.ico"><link rel="stylesheet" href="/dscud/style/wikiprintable.css"><script type="text/javascript" src="/dscud/style/wikibits.js"></script><style type='text/css'><!--a.new, #quickbar a.new { color: #CC2200; }#quickbar { position: absolute; top: 4px; left: 4px; border-right: 1px solid gray; }#article { margin-left: 152px; margin-right: 4px; }//--></style></head><body bgcolor='#FFFFFF'><div class='titlebox'><h1 class='pagetitle'>Prometheus</h1><span class='subtitle'>Universal Driver Documentation</span></div><div class='navbox'><a href="manual_Main_Page.html" class='printable' title ="Main Page">Main Page</a> || <a href="manual_Table_of_Contents.html" class='printable' title ="Table of Contents">Table_of_Contents</a> || <a href="http://www.diamondsystems.com/">Diamond Systems Website</a></div></div><div class='bodytext'><a name="top"></a><p><table border="0" id="toc"><tr><td align="center"><b>Table of contents</b> <script type='text/javascript'>showTocToggle("show","hide")</script></td></tr><tr id='tocinside'><td align="left"><div style="margin-bottom:0px;"><A CLASS="internal" HREF="#Analog_Input">1 Analog Input </A><BR></div><div style="margin-bottom:0px;"><A CLASS="internal" HREF="#Analog_Output">2 Analog Output </A><BR></div><div style="margin-bottom:0px;"><A CLASS="internal" HREF="#Digital_I/O">3 Digital I/O </A><BR></div><div style="margin-bottom:0px;"><A CLASS="internal" HREF="#Prometheus_Universal_Driver_Functions">4 Prometheus Universal Driver Functions </A><BR></div></td></tr></table><P><h3><a name="Analog_Input"> Analog Input </a></h3>
<p>
<strong>Max Input Channels:</strong> 16 (single-ended) or 8 (differential)<br>
<strong>A/D Resolution:</strong> 16 bits (1/65536 of full-scale)<br>
<strong>Data range:</strong> -32768 to +32767 for all voltrage ranges<br>
<strong>Input Ranges (Bipolar):</strong> ±10V, ±5V, ±2.5V, or ±1.25V<br>
<strong>Input Ranges (Unipolar):</strong> 0-8.3V, 0-5V, or 0-2.5V<br>
<strong>Supported Conversion Triggers:</strong> Software, Internal Clock, or External TTL Signal<br>
<strong>Maximum Conversion Rate:</strong>
<ul><li><strong>Software Command:</strong> approx. 20,000 samples per second, depending on code and operating system
</li><li><strong>Interrupt Routine w/FIFO:</strong> 100,000 samples per second
</li></ul><strong>FIFO:</strong> 48 samples with programmable threshold<br>
<p>
This board supports the following programmable input ranges and resolutions:
<p>
<table border=1 cellpadding=5><tr ><TD colspan=7 align=center>A/D Ranges</TD></tr><tr ><TD>Code</TD><TD>Range</TD><TD>ADBU</TD><TD>G1</TD><TD>G0</TD><TD>Input Range</TD><TD>Resolution (1 LSB)</TD></tr><tr ><TD>0</TD><TD>0</TD><TD>0</TD><TD>0</TD><TD>0</TD><TD> ±10V</TD><TD>305μV</TD></tr><tr ><TD>1</TD><TD>0</TD><TD>0</TD><TD>0</TD><TD>1</TD><TD> ±5V</TD><TD>153μV</TD></tr><tr ><TD>2</TD><TD>0</TD><TD>0</TD><TD>1</TD><TD>0</TD><TD> ±2.5V</TD><TD>76μV</TD></tr><tr ><TD>3</TD><TD>0</TD><TD>0</TD><TD>1</TD><TD>1</TD><TD> ±1.25V</TD><TD>38μV</TD></tr><tr ><TD>4</TD><TD>0</TD><TD>1</TD><TD>0</TD><TD>0</TD><TD>Invalid Setting</TD><TD> -</TD></tr><tr ><TD>5</TD><TD>0</TD><TD>1</TD><TD>0</TD><TD>1</TD><TD>Invalid Setting</TD><TD> -</TD></tr><tr ><TD>6</TD><TD>0</TD><TD>1</TD><TD>1</TD><TD>0</TD><TD>Invalid Setting</TD><TD> -</TD></tr><tr ><TD>7</TD><TD>0</TD><TD>1</TD><TD>1</TD><TD>1</TD><TD>Invalid Setting</TD><TD> -</TD></tr><tr ><TD>8</TD><TD>1</TD><TD>0</TD><TD>0</TD><TD>0</TD><TD> ±10V</TD><TD>305μV</TD></tr><tr ><TD>9</TD><TD>1</TD><TD>0</TD><TD>0</TD><TD>1</TD><TD> ±5V</TD><TD>153μV</TD></tr><tr ><TD>10</TD><TD>1</TD><TD>0</TD><TD>1</TD><TD>0</TD><TD> ±2.5V</TD><TD>76μV</TD></tr><tr ><TD>11</TD><TD>1</TD><TD>0</TD><TD>1</TD><TD>1</TD><TD> ±1.25V</TD><TD>38μV</TD></tr><tr ><TD>12</TD><TD>1</TD><TD>1</TD><TD>0</TD><TD>0</TD><TD>Invalid Setting</TD><TD> -</TD></tr><tr ><TD>13</TD><TD>1</TD><TD>1</TD><TD>0</TD><TD>1</TD><TD>0 - 8.3V</TD><TD>153μV</TD></tr><tr ><TD>14</TD><TD>1</TD><TD>1</TD><TD>1</TD><TD>0</TD><TD>0 - 5V</TD><TD>76μV</TD></tr><tr ><TD>15</TD><TD>1</TD><TD>1</TD><TD>1</TD><TD>1</TD><TD>0 - 2.5V</TD><TD>38μV</TD></tr></table><p>
<strong>NOTE:</strong> Ranges 9 through 11 are identical to ranges 0 through 2.<p><h3><a name="Analog_Output"> Analog Output </a></h3>
<p>
<strong>Max Output Channels:</strong> 4<br>
<strong>D/A Resolution:</strong> 12 bits (1/4096 of full-scale)<br>
<strong>Data range:</strong> 0 to 4095 for all voltage ranges<br>
<strong>Bipolar Output Ranges:</strong> ±10V<br>
<strong>Unipolar Output Ranges:</strong> 0-10V<br><p><h3><a name="Digital_I/O"> Digital I/O </a></h3>
<p>
<strong>Max Ports:</strong> 3, bi-directional, programmable in 8-bit groups, TTL-compatible, similar to 82C55
Digital I/O ports on Prometheus require direction to be set with <tt><a href="manual_DscDIOSetConfig.html" class='printable' title ="DscDIOSetConfig">dscDIOSetConfig</a>()</tt> before use.
<p>
All DIO lines power-up in input mode and have readback capability.<br>
All DIO lines have 4.7K Ohm pull resistors that can be configured for all pull-up or all pull-down with a jumper. <br><p><h3><a name="Prometheus_Universal_Driver_Functions"> Prometheus Universal Driver Functions </a></h3>
<p>
<ul><li><tt><a href="manual_DscADSample.html" class='printable' title ="DscADSample">dscADSample</a>()</tt>
</li><li><tt><a href="manual_DscADSampleInt.html" class='printable' title ="DscADSampleInt">dscADSampleInt</a>()</tt>
</li><li><tt><a href="manual_DscADScan.html" class='printable' title ="DscADScan">dscADScan</a>()</tt>
</li><li><tt><a href="manual_DscADScanInt.html" class='printable' title ="DscADScanInt">dscADScanInt</a>()</tt>
</li><li><tt><a href="manual_DscADSetChannel.html" class='printable' title ="DscADSetChannel">dscADSetChannel</a>()</tt>
</li><li><tt><a href="manual_DscADSetSettings.html" class='printable' title ="DscADSetSettings">dscADSetSettings</a>()</tt>
</li><li><tt><a href="manual_DscDAConvert.html" class='printable' title ="DscDAConvert">dscDAConvert</a>()</tt>
</li><li><tt><a href="manual_DscDAConvertScan.html" class='printable' title ="DscDAConvertScan">dscDAConvertScan</a>()</tt>
</li><li><tt><a href="manual_DscDAConvertScanInt.html" class='printable' title ="DscDAConvertScanInt">dscDAConvertScanInt</a>()</tt>
</li><li><tt><a href="manual_DscCounterDirectSet.html" class='printable' title ="DscCounterDirectSet">dscCounterDirectSet</a>()</tt>
</li><li><tt><a href="manual_DscCounterRead.html" class='printable' title ="DscCounterRead">dscCounterRead</a>()</tt>
</li><li><tt><a href="manual_DscCounterSetRate.html" class='printable' title ="DscCounterSetRate">dscCounterSetRate</a>()</tt>
</li><li><tt><a href="manual_DscCounterSetRateSingle.html" class='printable' title ="DscCounterSetRateSingle">dscCounterSetRateSingle</a>()</tt>
</li><li><tt><a href="manual_DscDIOInputBit.html" class='printable' title ="DscDIOInputBit">dscDIOInputBit</a>()</tt>
</li><li><tt><a href="manual_DscDIOInputByte.html" class='printable' title ="DscDIOInputByte">dscDIOInputByte</a>()</tt>
</li><li><tt><a href="manual_DscDIOOutputBit.html" class='printable' title ="DscDIOOutputBit">dscDIOOutputBit</a>()</tt>
</li><li><tt><a href="manual_DscDIOOutputByte.html" class='printable' title ="DscDIOOutputByte">dscDIOOutputByte</a>()</tt>
</li><li><tt><a href="manual_DscDIOSetBit.html" class='printable' title ="DscDIOSetBit">dscDIOSetBit</a>()</tt>
</li><li><tt><a href="manual_DscDIOSetConfig.html" class='printable' title ="DscDIOSetConfig">dscDIOSetConfig</a>()</tt>
</li><li><tt><a href="manual_DscSetUserInterruptFunction.html" class='printable' title ="DscSetUserInterruptFunction">dscSetUserInterruptFunction</a>()</tt>
</li><li><tt><a href="manual_DscClearUserInterruptFunction.html" class='printable' title ="DscClearUserInterruptFunction">dscClearUserInterruptFunction</a>()</tt>
</li><li><tt><a href="manual_DscUserInt.html" class='printable' title ="DscUserInt">dscUserInt</a>()</tt>
</li><li><tt><a href="manual_DscWatchdogDisable.html" class='printable' title ="DscWatchdogDisable">dscWatchdogDisable</a>()</tt>
</li><li><tt><a href="manual_DscWatchdogEnable.html" class='printable' title ="DscWatchdogEnable">dscWatchdogEnable</a>()</tt>
</li><li><tt><a href="manual_DscWatchdogTrigger.html" class='printable' title ="DscWatchdogTrigger">dscWatchdogTrigger</a>()</tt>
</li></ul><p></div><p><em> <br> This page was last modified 19:40, 10 Apr 2006.<br>Copyright (c) 2004 Diamond Systems. All Rights Reserved.</em><!-- Time since request: 0.21 secs. --></body></html>⌨️ 快捷键说明
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