https://forge.codesys.com/forge/talk/Runtime/thread/b0990b5180/2020-02-27T17:30:42.229000ZRecent posts to read string from a web site (https)2020-02-27T17:30:42.229000Z2020-02-27T17:30:42.229000Zfleaplchttps://forge.codesys.com/u/fleaplc/https://forge.codesys.com3f6a9b2d5a664a4e9e3660b86197aa2bfc2b573f

<div class="markdown_content"><p>Hi Kislov,<br/> you're right, it was an issue on my connection, Now I can get the done from FB. Just one question: I've like to get in string format the content of web page but I get only this:</p> <p>I've expected something like this (as if I get the "save as" page from web browser) it isn't?</p> <div class="codehilite"><pre><span></span><span class="o">&lt;!</span><span class="n">DOCTYPE</span> <span class="n">html</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">html</span> <span class="n">lang</span><span class="o">=</span><span class="s">"de"</span><span class="o">&gt;&lt;</span><span class="n">head</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">title</span><span class="o">&gt;</span><span class="n">Online</span><span class="o">-</span><span class="n">measurement</span> <span class="n">of</span> <span class="n">the</span> <span class="n">mains</span> <span class="n">frequency</span><span class="o">&lt;/</span><span class="n">title</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">meta</span> <span class="n">charset</span><span class="o">=</span><span class="s">"utf-8"</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">meta</span> <span class="n">http</span><span class="o">-</span><span class="n">equiv</span><span class="o">=</span><span class="s">"content-type"</span> <span class="n">content</span><span class="o">=</span><span class="s">"text/html; charset=UTF-8"</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">meta</span> <span class="n">name</span><span class="o">=</span><span class="s">"description"</span> <span class="n">content</span><span class="o">=</span><span class="s">"Measurement of the utility frequency (line/grid frequency) of the european grid"</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">meta</span> <span class="n">name</span><span class="o">=</span><span class="s">"author"</span> <span class="n">content</span><span class="o">=</span><span class="s">"Thomas Gobmaier"</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">meta</span> <span class="n">name</span><span class="o">=</span><span class="s">"keywords"</span> <span class="n">content</span><span class="o">=</span><span class="s">"line frequency, grid frequency, mains frequency, power frequency, 50 Hz, 50Hz, UCTE, ENTSO, ENTSO-E, PRIMARY CONTROL"</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">link</span> <span class="n">rel</span><span class="o">=</span><span class="s">"apple-touch-icon"</span> <span class="n">sizes</span><span class="o">=</span><span class="s">"76x76"</span> <span class="n">href</span><span class="o">=</span><span class="s">"https://www.mainsfrequency.com/apple-touch-icon.png"</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">link</span> <span class="n">rel</span><span class="o">=</span><span class="s">"icon"</span> <span class="n">type</span><span class="o">=</span><span class="s">"image/png"</span> <span class="n">sizes</span><span class="o">=</span><span class="s">"32x32"</span> <span class="n">href</span><span class="o">=</span><span class="s">"https://www.mainsfrequency.com/favicon-32x32.png"</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">link</span> <span class="n">rel</span><span class="o">=</span><span class="s">"icon"</span> <span class="n">type</span><span class="o">=</span><span class="s">"image/png"</span> <span class="n">sizes</span><span class="o">=</span><span class="s">"16x16"</span> <span class="n">href</span><span class="o">=</span><span class="s">"https://www.mainsfrequency.com/favicon-16x16.png"</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">link</span> <span class="n">rel</span><span class="o">=</span><span class="s">"manifest"</span> <span class="n">href</span><span class="o">=</span><span class="s">"https://www.mainsfrequency.com/site.webmanifest"</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">link</span> <span class="n">rel</span><span class="o">=</span><span class="s">"mask-icon"</span> <span class="n">href</span><span class="o">=</span><span class="s">"https://www.mainsfrequency.com/safari-pinned-tab.svg"</span> <span class="n">color</span><span class="o">=</span><span class="s">"#5bbad5"</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">meta</span> <span class="n">name</span><span class="o">=</span><span class="s">"msapplication-TileColor"</span> <span class="n">content</span><span class="o">=</span><span class="s">"#da532c"</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">meta</span> <span class="n">name</span><span class="o">=</span><span class="s">"theme-color"</span> <span class="n">content</span><span class="o">=</span><span class="s">"#ffffff"</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">link</span> <span class="n">href</span><span class="o">=</span><span class="s">"Online-measurement%20of%20the%20mains%20frequency_files/webstyle_3.css"</span> <span class="n">rel</span><span class="o">=</span><span class="s">"stylesheet"</span> <span class="n">type</span><span class="o">=</span><span class="s">"text/css"</span> <span class="n">media</span><span class="o">=</span><span class="s">"screen"</span><span class="o">&gt;</span> <span class="o">&lt;!--</span><span class="p">[</span><span class="k">if</span> <span class="n">IE</span><span class="p">]</span><span class="o">&gt;&lt;</span><span class="n">script</span> <span class="n">type</span><span class="o">=</span><span class="s">"text/javascript"</span> <span class="n">src</span><span class="o">=</span><span class="s">"./excanvas.min.js"</span><span class="o">&gt;&lt;/</span><span class="n">script</span><span class="o">&gt;&lt;!</span><span class="p">[</span><span class="n">endif</span><span class="p">]</span><span class="o">--&gt;</span> <span class="o">&lt;</span><span class="n">script</span> <span class="n">type</span><span class="o">=</span><span class="s">"text/javascript"</span> <span class="n">async</span><span class="o">=</span><span class="s">""</span> <span class="n">src</span><span class="o">=</span><span class="s">"Online-measurement%20of%20the%20mains%20frequency_files/ga.js"</span><span class="o">&gt;&lt;/</span><span class="n">script</span><span class="o">&gt;&lt;</span><span class="n">script</span> <span class="n">language</span><span class="o">=</span><span class="s">"JavaScript"</span> <span class="n">type</span><span class="o">=</span><span class="s">"text/javascript"</span><span class="o">&gt;</span><span class="err"> </span> <span class="err"> </span> <span class="err"> </span> <span class="err"> </span> <span class="n">var</span> <span class="n">req</span><span class="o">=</span><span class="mi">0</span><span class="p">;</span><span class="err"> </span> <span class="err"> </span> <span class="err"> </span> <span class="err"> </span> <span class="n">var</span> <span class="n">url0</span> <span class="o">=</span> <span class="s">"https://netzfrequenzmessung.de:9080/frequenz01.xml"</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">pfeil_pos</span><span class="o">=</span><span class="mi">1</span><span class="p">;</span><span class="err"> </span> <span class="err"> </span> <span class="err"> </span> <span class="err"> </span> <span class="n">var</span> <span class="n">frequenz</span> <span class="o">=</span> <span class="mf">0.0</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span> <span class="n">var</span> <span class="n">frequenzAlt</span><span class="o">=</span> <span class="mf">50.2</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span> <span class="n">var</span> <span class="n">frequenzDelta</span><span class="o">=</span> <span class="mf">0.0</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span> <span class="n">var</span> <span class="n">frequenzPos</span><span class="o">=</span> <span class="mf">50.2</span><span class="p">;</span><span class="err"> </span> <span class="err"> </span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">masse</span><span class="o">=</span><span class="mf">5.0</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">feder</span><span class="o">=</span><span class="mi">75</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">daempfung</span><span class="o">=</span><span class="mf">3.0</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">beschl</span><span class="o">=</span><span class="mi">0</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">geschwindigkeit</span><span class="o">=</span><span class="mi">0</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">frequenzLinPol</span><span class="o">=</span><span class="mf">50.2</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">phasenwinkel</span> <span class="o">=</span> <span class="mf">0.0</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">phasenwinkelAlt</span> <span class="o">=</span> <span class="mf">0.0</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">phasenwinkelDelta</span> <span class="o">=</span> <span class="mf">0.0</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">RL</span><span class="o">=</span><span class="mf">0.0</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">RLAlt</span><span class="o">=</span> <span class="mf">0.0</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span> <span class="n">var</span> <span class="n">RLDelta</span><span class="o">=</span> <span class="mf">0.0</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span> <span class="n">var</span> <span class="n">RLPos</span><span class="o">=</span> <span class="mf">0.0</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">pfeil_RL</span><span class="o">=</span><span class="mi">1</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">gf</span><span class="p">,</span> <span class="n">gm</span><span class="p">,</span> <span class="n">gms</span><span class="p">;</span><span class="err"> </span> <span class="err"> </span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">ergebnis</span> <span class="o">=</span><span class="s">"ab"</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">sperr</span><span class="o">=</span><span class="nb">false</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">Winkel</span> <span class="o">=</span> <span class="o">-</span><span class="mf">0.001</span><span class="p">;</span><span class="err"> </span> <span class="err"> </span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">phasenwinkeltext</span> <span class="o">=</span> <span class="s">"  0"</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span><span class="n">var</span> <span class="n">size</span><span class="o">=</span><span class="mi">20</span><span class="p">;</span> <span class="err"> </span> <span class="err"> </span> </pre></div> <p><img alt="IMG: CODESYSControlService_2pIaZ1r1D8.png" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=4800"/></p></div>

2020-02-27T17:30:41.242000Z2020-02-27T17:30:41.242000Ze.kislovhttps://forge.codesys.com/u/e-kislov/https://forge.codesys.com26c1c1ea58a059161f66121802ceb39953994eed

<div class="markdown_content"><p>For me it works without problems...<br/> You need to check your network settings, maybe you have problem with routing of packets.</p> <p><img alt="IMG: 02" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=4797"/></p></div>

2020-02-27T17:30:38.476000Z2020-02-27T17:30:38.476000Zfleaplchttps://forge.codesys.com/u/fleaplc/https://forge.codesys.comce0bad2098df119d8cc685663a18c79287f4e469

<div class="markdown_content"><p>I've tested using Control Win3. I get TCP read error every time</p></div>

2020-02-27T17:30:37.489000Z2020-02-27T17:30:37.489000Ze.kislovhttps://forge.codesys.com/u/e-kislov/https://forge.codesys.com30c6808c8ff055b59f9e1b3f8aa69e7afb985d2b

<div class="markdown_content"><blockquote> <p><strong>fleaplc hat geschrieben:</strong><br/> thanks for suggestion, I've tried with the sample from 3s but it cannot make it work..all the times I get error.. Does anyone use it recently? (ps. I've tested with http and https both)</p> </blockquote> <p>How you tested it, maybe in simulation? It does not work this way, you should use real PLC or CODESYS Control Win V3 (soft-plc).</p></div>

2020-02-27T17:30:34.676000Z2020-02-27T17:30:34.676000Zfleaplchttps://forge.codesys.com/u/fleaplc/https://forge.codesys.com443b109df3cdb841d9c74688c7d4861a7d5142a9

<div class="markdown_content"><p>thanks for suggestion, I've tried with the sample from 3s but it cannot make it work..all the times I get error.. Does anyone use it recently? (ps. I've tested with http and https both)</p></div>

2020-02-27T17:30:33.631000Z2020-02-27T17:30:33.631000Ze.kislovhttps://forge.codesys.com/u/e-kislov/https://forge.codesys.com5d96218a4baa82339fc459359f05de236d15ed66

<div class="markdown_content"><p>check this example:<br/> <a class="" href="https://store.codesys.com/http-client-example.html" rel="nofollow">https://store.codesys.com/http-client-example.html</a> m </p></div>

2020-02-27T17:30:30.803000Z2020-02-27T17:30:30.803000Zfleaplchttps://forge.codesys.com/u/fleaplc/https://forge.codesys.comfe98227bfcf597ef57df77cd7dc21d51d20e3393

<div class="markdown_content"><p>Is there a FB (OSCAT maybe?) I can use to read the content of a web page (https)?. <br/> I need to extract some value from a website<br/> Thanks<br/> Flea</p></div>