https://forge.codesys.com/forge/talk/Engineering/thread/88903a6901/2020-02-27T13:53:24.582000ZRecent posts to Motorized potentiometer in CoDeSys2020-02-27T13:53:24.582000Z2020-02-27T13:53:24.582000ZAnonymoushttps://forge.codesys.com/u/*anonymous/https://forge.codesys.com349d4d4140d99b1a4715a7e870af76975c80c177

<div class="markdown_content"><p><em>Originally created by:</em> scott_cunningham</p> <p>Here is a FB you can use where the input priority is (reset, inc, dec) (I only lightly tested it - so double check it):</p> <div class="codehilite"><pre><span></span><span class="nv">FUNCTION_BLOCK</span> <span class="nv">MotorPot</span> <span class="nv">VAR_INPUT</span>    <span class="nv">Inc</span>   : <span class="nv">BOOL</span> :<span class="o">=</span> <span class="nv">FALSE</span><span class="c1">;</span>    <span class="nv">Dec</span>   : <span class="nv">BOOL</span> :<span class="o">=</span> <span class="nv">FALSE</span><span class="c1">;</span>    <span class="nv">Reset</span> : <span class="nv">BOOL</span> :<span class="o">=</span> <span class="nv">FALSE</span><span class="c1">;</span>    <span class="nv">Rate</span>  : <span class="nv">REAL</span> :<span class="o">=</span> <span class="mi">0</span>.<span class="mi">1</span><span class="c1">;</span> <span class="nv">END_VAR</span> <span class="nv">VAR_OUTPUT</span>    <span class="nv">Cmd</span> : <span class="nv">REAL</span><span class="c1">;</span> <span class="nv">END_VAR</span> <span class="nv">VAR</span> <span class="nv">CONSTANT</span>    <span class="nv">MIN_CMD</span> : <span class="nv">REAL</span> :<span class="o">=</span> <span class="o">-</span><span class="mi">100</span>.<span class="mi">0</span><span class="c1">;</span>    <span class="nv">MAX_CMD</span> : <span class="nv">REAL</span> :<span class="o">=</span> <span class="mi">100</span>.<span class="mi">0</span><span class="c1">;</span> <span class="nv">END_VAR</span> <span class="k">IF</span> <span class="nv">Reset</span> <span class="k">THEN</span>    <span class="nv">Cmd</span> :<span class="o">=</span> <span class="mi">0</span>.<span class="mi">0</span><span class="c1">;</span> <span class="nv">ELSIF</span> <span class="nv">Inc</span> <span class="k">THEN</span>    <span class="nv">Cmd</span> :<span class="o">=</span> <span class="nv">MIN</span><span class="ss">(</span><span class="nv">Cmd</span> <span class="o">+</span> <span class="nv">Rate</span>, <span class="nv">MAX_CMD</span><span class="ss">)</span><span class="c1">;</span> <span class="nv">ELSIF</span> <span class="nv">Dec</span> <span class="k">THEN</span>    <span class="nv">Cmd</span> :<span class="o">=</span> <span class="nv">MAX</span><span class="ss">(</span><span class="nv">Cmd</span> <span class="o">-</span> <span class="nv">Rate</span>, <span class="nv">MIN_CMD</span><span class="ss">)</span><span class="c1">;</span> <span class="nv">END_IF</span> </pre></div> </div>

2020-02-27T13:53:24.396000Z2020-02-27T13:53:24.396000Zrazmishttps://forge.codesys.com/u/razmis/https://forge.codesys.coma9d66c1fab0d41d68028224348ea6a7e11367c85

<div class="markdown_content"><p>Is there a library that contains a function for motorized potentiometer?</p></div>