https://forge.codesys.com/forge/talk/Deutsch/thread/ecd609486e/2020-02-28T16:29:20.667000ZRecent posts to Initialisierung bei Instantiierung von FB2020-02-28T16:29:20.667000Z2020-02-28T16:29:20.667000ZJ Schohaushttps://forge.codesys.com/u/j-schohaus/https://forge.codesys.comb3c347f8e6ebcdfa9e672765778369e8c072a976

<div class="markdown_content"><p>Hallo </p> <p>keiner fehler := fehlt</p> <p>Timer : TP := ( PT:=T#3s ); </p> <p>mfG Jochen</p></div>

2020-02-28T16:29:12.710000Z2020-02-28T16:29:12.710000Zpischkyhttps://forge.codesys.com/u/pischky/https://forge.codesys.comb228e8610658c95730907f8ae03b1d8ecfd431ae

<div class="markdown_content"><p>Hallo,</p> <p>ich meine mal gelesen zu haben, das es möglich ist die Initialisierung von Parametern bei der Instantiierung von Funktionsbausteinen gleich mit zu erledigen. Z.B. würde ich statt:</p> <div class="codehilite"><pre><span></span><span class="n">PROGRAM</span> <span class="n">PLC_PRG</span> <span class="n">VAR</span> <span class="err"> </span> <span class="err"> </span> <span class="n">Timer</span> <span class="p">:</span> <span class="n">TP</span><span class="p">;</span> <span class="n">END_VAR</span> <span class="err"> </span> <span class="err"> </span> <span class="n">Timer</span><span class="p">.</span><span class="n">PT</span> <span class="p">:</span><span class="o">=</span> <span class="n">T</span><span class="o">#</span><span class="mi">3</span><span class="n">s</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span> <span class="n">Timer</span><span class="p">(</span> <span class="k">IN</span> <span class="p">:</span><span class="o">=</span> <span class="o">%</span><span class="n">IX0</span><span class="p">.</span><span class="mi">0</span><span class="p">,</span> <span class="n">Q</span> <span class="o">=&gt;</span> <span class="o">%</span><span class="n">QX0</span><span class="p">.</span><span class="mi">0</span> <span class="p">);</span> <span class="n">END_PROGRAM</span> </pre></div> <p>lieber etwas schreiben wie:</p> <div class="codehilite"><pre><span></span><span class="nt">PROGRAM</span> <span class="nt">PLC_PRG</span> <span class="nt">VAR</span> <span class="err"> </span> <span class="err"> </span> <span class="nt">Timer</span> <span class="o">:</span> <span class="nt">TP</span><span class="o">(</span> <span class="nt">PT</span><span class="o">:=</span><span class="nt">T</span><span class="p">#</span><span class="nn">3s</span> <span class="o">);</span> <span class="nt">END_VAR</span> <span class="err"> </span> <span class="err"> </span> <span class="nt">Timer</span><span class="o">(</span> <span class="nt">IN</span> <span class="o">:=</span> <span class="o">%</span><span class="nt">IX0</span><span class="p">.</span><span class="nc">0</span><span class="o">,</span> <span class="nt">Q</span> <span class="o">=&gt;</span> <span class="o">%</span><span class="nt">QX0</span><span class="p">.</span><span class="nc">0</span> <span class="o">);</span> <span class="nt">END_PROGRAM</span> </pre></div> <p>Das wird aber in CeDeSys 2.3 nicht compiliert. Habe ich das tatsächlich in einem der Bücher gelesen oder nur geträumt?</p> <p>Das mit dem TP ist nur als Beispiel gedacht. Ich habe einen Parser, den ich gern Parametrieren würde.</p></div>