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  <title>ULAD 10 - PiKRON AD Converter</title>
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<h1>ULAD 10 - PiKRON AD Converter</h1>
<p>ULAD 10 AD converter can be connected to the uLan device network and after
its autodetection by CHROMuLAN some of its parameters should be modified
to get the wanted results. To get access to the parameters follow the steps:
<ul>
  <li>open <b>Devices</b> <a href="browser.html">browser</a> using
     <i>Setup | Devices | Browse</i> command</li>
  <li>select the <b>ULAD</b> device</li>
  <li>from the <b>Devices</b> browser's <a href="localmenu.html">local menu</a>
    invoke <b>Properties</b> browser using <i>Device | Browse</i> command</li>
  <li>if you want full access to all properties, set <a href="sysopmode.html">SysOp mode</a>
      before opening the browser</li>
</ul>

The most important paramaters to modify are:
<ul>
  <li>MARK_ADDR - set to 2 (address of PC in uLan network) to receive mark
      signal (the signal is generated by touching the inscription PiKRON on
      the top of the device with a magnet)</li>
  <li>CHA_UM - user multiplication constant (see the formula below)</li>
  <li>CHA_UA - user addition constant (see the formula below)</li>
</ul>
The numeric value of the output of a given channel x (x = A, B) is calculated
by the following formula:
</p>
<p>

 CHx = CHx_UA + CHx_UM &times; (CHx_CA + CHx_CM &times; ADCx<sub>norm</sub>) <br />
ACDx<sub>norm</sub> is a ratio of input voltage to the preset basic voltage range
(2.5 or 10 V).
</p>
<p>
The complete specification of this device in Czech is available in pdf format
from <a href="http://chromulan.org/manuals/ulad10_man.pdf">
http://chromulan.org/manuals/ulad10_man.pdf</a>
</p>

<table border="1" class="tbl1">
  <tr class=".headrow">
    <td class="tbl1">Name</td>
    <td class="tbl1">R/W</td>
    <td class="tbl1">Type</td>
    <td class="tbl1">Function</td>
  </tr>
  <tr class="tbl1">
    <td class="tbl1">CHA</td>
    <td class="tbl1">R</td>
    <td class="tbl1">f4</td>
    <td class="tbl1">current value from channel A</td>
  </tr>
  <tr>
    <td class="tbl1">CHB</td>
    <td class="tbl1">R</td>
    <td class="tbl1">f4</td>
    <td class="tbl1">current value from channel B</td>
  </tr>
  <tr>
    <td class="tbl1">CHAi</td>
    <td class="tbl1">R</td>
    <td class="tbl1">s4 (/.4)</td>
    <td class="tbl1">current value from channel A in fixed decimal point format (increment = 10<sup>-4</sup>)</td>
  </tr>
  <tr>
    <td class="tbl1">CHBi</td>
    <td class="tbl1">R</td>
    <td class="tbl1">s4 (/.4)</td>
    <td class="tbl1">current value from channel B in fixed decimal point format (increment = 10<sup>-4</sup>)</td>
  </tr>
  <tr>
    <td class="tbl1">ADCAl</td>
    <td class="tbl1">R</td>
    <td class="tbl1">s4</td>
    <td class="tbl1">Unmodified value from converter channel A</td>
  </tr>
  <tr>
    <td class="tbl1">ADCAl</td>
    <td class="tbl1">R</td>
    <td class="tbl1">s4</td>
    <td class="tbl1">Unmodified value from converter channel A</td>
  </tr>
</table>

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