https://forge.codesys.com/forge/talk/Engineering/thread/3caa045f2c/2020-02-27T14:01:41.047000ZRecent posts to CTU2020-02-27T14:01:41.047000Z2020-02-27T14:01:41.047000Ztimvhhttps://forge.codesys.com/u/timvh/https://forge.codesys.comfab0abe5dc573c68b5efb9af3c1e87e853bb5b60

<div class="markdown_content"><p>See screenshot for an example</p> <p><img alt="IMG: ScreenShot.jpg" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=413"/></p></div>

2020-02-27T14:01:40.216000Z2020-02-27T14:01:40.216000Ztomoklchttps://forge.codesys.com/u/tomoklc/https://forge.codesys.com6194564a657303b45c627155204d9fe23492324e

<div class="markdown_content"><p>Everytime when I put "1" on my firt input some memory registar must increase for 1.</p></div>

2020-02-27T14:01:39.962000Z2020-02-27T14:01:39.962000Ztomoklchttps://forge.codesys.com/u/tomoklc/https://forge.codesys.comcd0f15d1292097f12e64f64ad08602633b7a38bc

<div class="markdown_content"><p>Thank for that, but I must do CTU in ladder diagram only with math and compare instruction!</p></div>

2020-02-27T14:01:39.644000Z2020-02-27T14:01:39.644000Ztimvhhttps://forge.codesys.com/u/timvh/https://forge.codesys.com00cd466fd65a98e048a631c1c849daf65a62e0b7

<div class="markdown_content"><p>Hi, do you mean structured text?<br/> If yes, you can use it like this:</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">fbCTU1</span><span class="o">:</span> <span class="nt">CTU</span><span class="o">;</span> <span class="err"> </span> <span class="err"> </span><span class="nt">xCountUp1</span><span class="o">:</span> <span class="nt">BOOL</span><span class="o">;</span> <span class="err"> </span> <span class="err"> </span><span class="nt">uiCounter1</span><span class="o">:</span> <span class="nt">UINT</span><span class="o">;</span> <span class="err"> </span> <span class="err"> </span><span class="nt">xReset1</span><span class="o">:</span> <span class="nt">BOOL</span><span class="o">;</span> <span class="err"> </span> <span class="err"> </span><span class="nt">xCountUp2</span><span class="o">:</span> <span class="nt">BOOL</span><span class="o">;</span> <span class="err"> </span> <span class="err"> </span><span class="nt">uiCounter2</span><span class="o">:</span> <span class="nt">UINT</span><span class="o">;</span> <span class="err"> </span> <span class="err"> </span><span class="nt">xReset2</span><span class="o">:</span> <span class="nt">BOOL</span><span class="o">;</span> <span class="nt">END_VAR</span> </pre></div> <div class="codehilite"><pre><span></span><span class="o">//</span> <span class="nv">CTU</span> <span class="nv">Function</span><span class="o">-</span><span class="nv">block</span> <span class="nv">fbCTU1</span><span class="ss">(</span>    <span class="nv">CU</span>:<span class="o">=</span> <span class="nv">xCountUp1</span>,    <span class="nv">RESET</span>:<span class="o">=</span> <span class="nv">xReset1</span>,    <span class="nv">PV</span>:<span class="o">=</span> <span class="mi">100</span>,    <span class="nv">Q</span><span class="o">=&gt;</span> ,    <span class="nv">CV</span><span class="o">=&gt;</span> <span class="nv">uiCounter1</span><span class="ss">)</span><span class="c1">;</span>     <span class="o">//</span> <span class="nv">Or</span> <span class="k">IF</span> <span class="nv">xCountUp2</span> <span class="k">THEN</span>    <span class="nv">uiCounter2</span> :<span class="o">=</span> <span class="nv">uiCounter2</span> <span class="o">+</span> <span class="mi">1</span><span class="c1">;</span>    <span class="nv">xCountUp2</span> :<span class="o">=</span> <span class="nv">FALSE</span><span class="c1">;</span> <span class="nv">END_IF</span> <span class="k">IF</span> <span class="nv">xReset2</span> <span class="k">THEN</span>    <span class="nv">uiCounter2</span> :<span class="o">=</span> <span class="mi">0</span><span class="c1">;</span> <span class="nv">END_IF</span> </pre></div> </div>

2020-02-27T14:01:39.363000Z2020-02-27T14:01:39.363000Ztomoklchttps://forge.codesys.com/u/tomoklc/https://forge.codesys.com689eed933ce85345f82310170e349eb335a4b6a7

<div class="markdown_content"><p>Please can anybody tell me how to create counter up with math instructions??</p></div>