https://forge.codesys.com/forge/talk/Deutsch/thread/a1c99c74d2/2020-02-28T09:00:40.300000ZRecent posts to ansprechen von Inputs wiederholend mit offset2020-02-28T09:00:40.300000Z2020-02-28T09:00:40.300000Zmicha1983https://forge.codesys.com/u/micha1983/https://forge.codesys.comb32452952eee3b211fd24866db05939560ef5396

<div class="markdown_content"><p>Vielen Dank. </p> <p>Das mit dem SHR ist echt eine pratikable gute Lösung. <br/> Vielen Dank. </p> <p>Gruß Michael</p></div>

2020-02-28T09:00:37.845000Z2020-02-28T09:00:37.845000ZAnonymoushttps://forge.codesys.com/u/*anonymous/https://forge.codesys.come65d4d8d3ace9b014cbfa5beb79fd4b305ba6a59

<div class="markdown_content"><p><em>Originally created by:</em> ebt'ler</p> <p>Wie wäre es mit:</p> <div class="codehilite"><pre><span></span><span class="n">input_1</span> <span class="p">:</span><span class="o">=</span> <span class="n">BYTE_TO_BOOL</span><span class="p">(</span><span class="n">SHR</span> <span class="p">(</span><span class="o">%</span><span class="n">IB0</span><span class="p">,</span><span class="k">offset</span><span class="o">*</span><span class="mi">2</span><span class="p">)</span> <span class="k">AND</span> <span class="mi">2</span><span class="o">#</span><span class="mi">00000001</span><span class="p">)</span> <span class="n">input_2</span> <span class="p">:</span><span class="o">=</span> <span class="n">BYTE_TO_BOOL</span><span class="p">(</span><span class="n">SHR</span> <span class="p">(</span><span class="o">%</span><span class="n">IB0</span><span class="p">,</span><span class="k">offset</span><span class="o">*</span><span class="mi">2</span><span class="o">+</span><span class="mi">1</span><span class="p">)</span> <span class="k">AND</span> <span class="mi">2</span><span class="o">#</span><span class="mi">00000001</span><span class="p">)</span> </pre></div> <p>Bei offset := 0 bekommt input_1 Bit 0 von IB0 (IX0.0) und input_2 bekommt Bit 1 von IB0 (IX0.1).<br/> Bei offset := 1 bekommt input_1 Bit 2 von IB0 (IX0.2) und input_2 bekommt Bit 3 von IB0 (IX0.3).<br/> usw.</p> <p>Hier noch eine Möglichkeit Funktionen mit Bool_Eingängen gleich byteweise aufzurufen:</p> <div class="codehilite"><pre><span></span><span class="nv">PROGRAM</span> <span class="nv">PLC_PRG</span> <span class="nv">VAR</span>    <span class="nv">in_byte_1</span> : <span class="nv">BYTE</span><span class="c1">;</span>    <span class="nv">in_byte_2</span> : <span class="nv">BYTE</span><span class="c1">;</span>    <span class="nv">out_byte_1</span> : <span class="nv">BYTE</span><span class="c1">;</span>    <span class="nv">i</span>: <span class="nv">INT</span><span class="c1">;</span> <span class="nv">END_VAR</span> <span class="nv">__________________________________________</span> <span class="nv">out_byte_1</span>:<span class="o">=</span> <span class="mi">0</span><span class="c1">;</span> <span class="k">FOR</span> <span class="nv">i</span> :<span class="o">=</span><span class="mi">0</span> <span class="nv">TO</span> <span class="mi">7</span> <span class="k">DO</span> <span class="nv">out_byte_1</span> :<span class="o">=</span> <span class="nv">out_byte_1</span> <span class="nv">OR</span> <span class="nv">SHL</span> <span class="ss">(</span><span class="nv">BOOL_TO_BYTE</span><span class="ss">(</span><span class="nv">test_funktion</span><span class="ss">(</span><span class="nv">BYTE_TO_BOOL</span><span class="ss">(</span><span class="nv">SHR</span> <span class="ss">(</span><span class="nv">in_byte_1</span>,<span class="nv">i</span><span class="ss">)</span> <span class="nv">AND</span> <span class="mi">2</span><span class="sc">#00000001</span><span class="ss">)</span>,<span class="nv">BYTE_TO_BOOL</span><span class="ss">(</span><span class="nv">SHR</span> <span class="ss">(</span><span class="nv">in_byte_2</span>,<span class="nv">i</span><span class="ss">)</span> <span class="nv">AND</span> <span class="mi">2</span><span class="sc">#00000001</span><span class="ss">)))</span>,<span class="nv">i</span><span class="ss">)</span> <span class="c1">; </span> <span class="ss">(</span><span class="o">*</span> <span class="nv">test_funktion</span> <span class="nv">besitzt</span> <span class="mi">2</span> <span class="nv">Bool</span><span class="o">-</span><span class="nv">Inputs</span> <span class="nv">und</span> <span class="nv">hat</span> <span class="nv">als</span> <span class="nv">R</span>ü<span class="nv">ckgabewert</span> <span class="nv">auch</span> <span class="nv">Bool</span><span class="ss">)</span> <span class="nv">END_FOR</span><span class="c1">;</span> </pre></div> <p>Kannst du damit was anfangen? Wenn nicht melde dich nochmal </p></div>

2020-02-28T09:00:31.159000Z2020-02-28T09:00:31.159000Zmicha1983https://forge.codesys.com/u/micha1983/https://forge.codesys.comef352e8e398185e52868fadf508e7154d61c8282

<div class="markdown_content"><p>Hallo liebes Forum,</p> <p>ich habe einen FC, dieser verwendet immer wieder die gleiche reihenfolge von digitalen Inputs.<br/> Also z.B.</p> <p>Beim ersten Aufruf muss der FC INPUTS %IX0.0 und %IX0.1 abfragen</p> <p>beim zweiten Aufruf, muss er %IX0.2 und %IX0.3 beim dritten 0.4 und 0.5 abfragen.</p> <p>Jetzt möchte ich diesen Baustein nur einmal programmieren und duch die interne Nummer des Aufrufs also 1, 2,3, usw.<br/> soll der Offset für die Bitadresse bestimmt werden.</p> <p>Ich dachte ich mache das mit Pointern allerdings funktionieren die nicht mit Bitadressen.</p> <p>Wie löst ihr solche Sachen in Regel?</p> <p>Wäre nett wenn mir da jemand helfen kann.</p> <p>Vielen Dank schonmal!</p> <p>Gruß Michael</p></div>