https://forge.codesys.com/forge/talk/CODESYS-V2/thread/b6403fb409/2020-02-27T21:37:56.208000ZRecent posts to difference of Var_in_out in function & function_block2020-02-27T21:37:56.208000Z2020-02-27T21:37:56.208000Zshooterhttps://forge.codesys.com/u/shooter/https://forge.codesys.com3bffba9bcca7924f9875c1a47f45d4bb0667a344

<div class="markdown_content"><p>you declared it yes , but how do you get the result from internal to external?<br/> ie you do not use over (which is the output of the function.)</p></div>

2020-02-27T21:37:54.705000Z2020-02-27T21:37:54.705000Zsarathbabuhttps://forge.codesys.com/u/sarathbabu/https://forge.codesys.comc0a92e34ad9e0649aae2b79a17e7322d6c5ef196

<div class="markdown_content"><p>pls check the attached pgm</p> <p>function allows in_out</p> <p><a class="" href="https://forum.codesys.com//download/file.php?id=767" rel="nofollow">func.pro <span><span>[33.93 KiB]</span></span></a></p></div>

2020-02-27T21:37:53.112000Z2020-02-27T21:37:53.112000Zshooterhttps://forge.codesys.com/u/shooter/https://forge.codesys.com92920930b417b4d218caa63cdbdd3151a0d2a57a

<div class="markdown_content"><p>in a function it is impossible to have in-out,<br/> start a new function and you will not be able to select it from the assistant.</p></div>

2020-02-27T21:37:48.787000Z2020-02-27T21:37:48.787000Zsarathbabuhttps://forge.codesys.com/u/sarathbabu/https://forge.codesys.comfe71201e90f605057dfea760c4eb8cb1c1996d67

<div class="markdown_content"><div class="codehilite"><pre><span></span><span class="nt">var_In_Out</span> <span class="nt">test</span><span class="p">:</span><span class="nd">bool</span><span class="o">;</span> <span class="nt">test2</span><span class="p">:</span><span class="nd">int</span><span class="o">;</span> <span class="nt">end_var</span> </pre></div> <blockquote> <p><strong>shooter hat geschrieben:</strong><br/> here you go<br/> as a function can only give one variable back (or a structure) i have to put all outs in one structure.<br/> in a function block you can have several in and out</p> </blockquote> <p>Try the above in function declaration</p> <p>Am asking about var_in_out in declaration</p></div>

2020-02-27T21:37:47.314000Z2020-02-27T21:37:47.314000Zshooterhttps://forge.codesys.com/u/shooter/https://forge.codesys.com884aaa59b41e6b53195072d752e7976152c88beb

<div class="markdown_content"><p>here you go<br/> as a function can only give one variable back (or a structure) i have to put all outs in one structure.<br/> in a function block you can have several in and out</p> <p><a class="" href="https://forum.codesys.com//download/file.php?id=763" rel="nofollow">WERK.zip <span><span>[475 Bytes]</span></span></a></p></div>

2020-02-27T21:37:43.213000Z2020-02-27T21:37:43.213000Zsarathbabuhttps://forge.codesys.com/u/sarathbabu/https://forge.codesys.com40f50c351ba6a87ed6ce492b3a1dccff0ee042a7

<div class="markdown_content"><p>Yes function returns a value.</p> <p>I need info about using var_In_Out in function </p> <p>Thanks</p></div>

2020-02-27T21:37:41.743000Z2020-02-27T21:37:41.743000Zshooterhttps://forge.codesys.com/u/shooter/https://forge.codesys.combb2ef87c29a0d455a083d4b29e404c1e421160de

<div class="markdown_content"><p>a function can have only one output (this can be a structure) and a FB can have more vars.</p></div>

2020-02-27T21:37:37.636000Z2020-02-27T21:37:37.636000Zsarathbabuhttps://forge.codesys.com/u/sarathbabu/https://forge.codesys.com54c3d58b74fe094ec6bd82566c73bee0ba4f623c

<div class="markdown_content"><p>What is the difference between function &amp; function block in terms of using var_in_out in codesys v2?</p> <p>function no need to instantiate &amp; it returns a value in Version2.</p> <p>In version3 function can have outputs also.</p></div>