https://forge.codesys.com/forge/talk/CODESYS-V2/thread/3c93eaf2a6/2020-02-27T23:05:54.752000ZRecent posts to Ethernet.lib2020-02-27T23:05:54.752000Z2020-02-27T23:05:54.752000ZAnonymoushttps://forge.codesys.com/u/*anonymous/https://forge.codesys.comd3b68b88848259a0fe5c8f370e72ba7cebf55dae

<div class="markdown_content"><p><em>Originally created by:</em> Nicolai_Hanssing</p> <blockquote> <p><strong>Geoff White hat geschrieben:</strong><br/> I must be stupid.<br/> The functionality I am looking for is exactly what the network global variables do.</p> </blockquote> <p>Do note, that you can use UDP broadcast, wich is server to multiple-clients. This however can load a large network with a lot of broadcast traffic, as it is transmitted on all segments of a layer-two ethernet network.</p> <p>If broadcast is not wanted, you can use direct udp between two PLC.</p> <p>This is of course needed if the PLC's are not on the same layer-2 segment.</p> <p>Regards </p> <p>Nicolai Hanssing</p></div>

2020-02-27T23:05:53.118000Z2020-02-27T23:05:53.118000ZGeoff Whitehttps://forge.codesys.com/u/geoff-white/https://forge.codesys.com56a6fa3a9baff0439802f4005cffb109745855b6

<div class="markdown_content"><p>I must be stupid.</p> <p>The functionality I am looking for is exactly what the network global variables do.</p></div>

2020-02-27T23:05:48.573000Z2020-02-27T23:05:48.573000ZB.Rothhttps://forge.codesys.com/u/b-roth/https://forge.codesys.com935199c3587780b6ca570f2bb93a49f8ed706a14

<div class="markdown_content"><p>Hello,</p> <p>you need a modbusTCP-client library based on Syslibsockets.lib.</p> <p>Ask moeller if they deliver this with their targets.</p> <p>You could also buy one from 3S or somebody here in the forum will send you this lib is maybe in some other targets (WAGO?) </p></div>

2020-02-27T23:05:46.948000Z2020-02-27T23:05:46.948000Zndzied1https://forge.codesys.com/u/ndzied1/https://forge.codesys.comec812459322900b96499207dea9df257c271e2f9

<div class="markdown_content"><p>Geoff,</p> <p>I would think that most ethernet libraries are specific to hardware.</p> <p>Ethernet communications generally require a connection between the two devices be established. I was thinking you might be able to use Modbus/TCP to do this but couldn't be a broadcast. It could, however, be set up as a loop and all that would have to change with each loop would be the IP address of the slave station.</p> <p>The modbus libraries are explained in Moeller Applicaiton note AN27K22 which can be found at w <a class="" href="http://www.moeller.net" rel="nofollow">www.moeller.net</a> w .</p> <p>I have set up an XC201 as a Modbus TCP slave connected to an HMI that was the Modbus master but never set up a Modbus Master on the PLC.</p> <p>Hope this helps</p></div>

2020-02-27T23:05:42.432000Z2020-02-27T23:05:42.432000ZGeoff Whitehttps://forge.codesys.com/u/geoff-white/https://forge.codesys.com1adcf800893ba68b08ee0f36af17513cc7637c72

<div class="markdown_content"><p>Hi,</p> <p>I am trying to make broadcast network server for sharing 'global' data among a number of PLCs.</p> <p>I had a search of the forum and found the WagoEthernetServer example and it looks like an ideal starting point. Unfortunately I can not find a copy of the Ethernet.lib library that it uses.</p> <p>I am using Moeller PLCs. Is this library limited to the Wago PLCs? If not, where can I get it?</p></div>