https://forge.codesys.com/forge/talk/Runtime/thread/201b2b338d/2020-02-27T16:00:54.349000ZRecent posts to Modbus problem with Dab Evoplus pump2020-02-27T16:00:54.349000Z2020-02-27T16:00:54.349000Zc.manhttps://forge.codesys.com/u/c-man/https://forge.codesys.com754d1e8ddc5dd29e6ebd23f9c718f4f72edebc6b

<div class="markdown_content"><p>ok. Solved !<br/> The Rs485-usb converter was broken.<br/> With new converter is all ok !</p></div>

2020-02-27T16:00:53.576000Z2020-02-27T16:00:53.576000Zc.manhttps://forge.codesys.com/u/c-man/https://forge.codesys.com946c5c97693bbeafc5a77b1a3d66eb34eb9bf0e4

<div class="markdown_content"><div class="codehilite"><pre><span></span><span class="k">[SysCom]</span> <span class="na">Linux.Devicefile</span><span class="o">=</span><span class="s">/dev/ttyUSB</span> <span class="na">portnum :</span><span class="o">=</span> <span class="s">COM.SysCom.SYS_COMPORT1;</span> </pre></div> <p>from /etc/CODESYSControl.cfg to /etc/CODESYSControl_User.cfg </p> <p>This is screenshoot for function:</p> <p>and this is error in ModbusGeneric SerialSlave (pulse from "bus failure" to "not running"):</p> <p>You can download Modbus register for DAB Evoplus small pump's from <a class="" href="http://files.elsist.biz/forum/20131127100401.pdf" rel="nofollow">here</a></p> <p><img alt="IMG: Bild" rel="nofollow" src="http://i65.tinypic.com/xbh1zp.jpg"/></p> <p><img alt="IMG: Bild" rel="nofollow" src="http://i68.tinypic.com/2kioia.jpg"/></p></div>

2020-02-27T16:00:51.368000Z2020-02-27T16:00:51.368000Zeschwellingerhttps://forge.codesys.com/u/eschwellinger/https://forge.codesys.com0d8c296bae77a894fe3f9d2b80c955e637c76a97

<div class="markdown_content"><p>Hi,<br/> I would recommend to move</p> <p><span>[SysCom]</span><br/> Linux.Devicefile=/dev/ttyUSB<br/> portnum := COM.SysCom.SYS_COMPORT1;</p> <p>to the /etc/CODESYSControl_User.cfg if this is 3.5SP11 version.<br/> (because there is already a section for this)<br/> If done, which channels/function codes to read did you add to your modbus slave?</p> <p>BR<br/> Edwin</p></div>

2020-02-27T16:00:50.584000Z2020-02-27T16:00:50.584000Zc.manhttps://forge.codesys.com/u/c-man/https://forge.codesys.com3e6ad47ded0cf6f433a9d4d94943cb6141251f04

<div class="markdown_content"><p>yes.<br/> this is my Codesys configuration file:</p> <div class="codehilite"><pre><span></span><span class="k">[SysFile]</span> <span class="na">FilePath.1</span><span class="o">=</span><span class="s">/etc/, 3S.dat</span> <span class="na">PlcLogicPrefix</span><span class="o">=</span><span class="s">1</span> <span class="k">[CmpSettings]</span> <span class="na">FileReference.0</span><span class="o">=</span><span class="s">SysFileMap.cfg, SysFileMap</span> <span class="na">FileReference.1</span><span class="o">=</span><span class="s">/etc/CODESYSControl_User.cfg</span> <span class="k">[_]</span> <span class="na">Linux.DisableFpuOverflowException</span><span class="o">=</span><span class="s">1</span> <span class="na">Linux.DisableFpuUnderflowException</span><span class="o">=</span><span class="s">1</span> <span class="na">Linux.DisableFpuInvalidOperationException</span><span class="o">=</span><span class="s">1</span> <span class="k">[CmpBACnet]</span> <span class="na">IniFile</span><span class="o">=</span><span class="s">bacstacd.ini</span> <span class="k">[CmpWebServer]</span> <span class="na">ConnectionType</span><span class="o">=</span><span class="s">0</span> <span class="k">[CmpOpenSSL]</span> <span class="na">WebServer.Cert</span><span class="o">=</span><span class="s">server.cer</span> <span class="na">WebServer.PrivateKey</span><span class="o">=</span><span class="s">server.key</span> <span class="na">WebServer.CipherList</span><span class="o">=</span><span class="s">HIGH</span> <span class="k">[SysMem]</span> <span class="na">Linux.Memlock</span><span class="o">=</span><span class="s">0</span> <span class="k">[CmpCodeMeter]</span> <span class="na">InitLicenseFile.0</span><span class="o">=</span><span class="s">3SLicense.wbb</span> <span class="k">[SysEthernet]</span> <span class="na">Linux.ProtocolFilter</span><span class="o">=</span><span class="s">3</span> <span class="k">[CmpSchedule]</span> <span class="na">ProcessorLoad.Enable</span><span class="o">=</span><span class="s">1</span> <span class="na">ProcessorLoad.Maximum</span><span class="o">=</span><span class="s">95</span> <span class="na">ProcessorLoad.Interval</span><span class="o">=</span><span class="s">5000</span> <span class="k">[SysCom]</span> <span class="na">Linux.Devicefile</span><span class="o">=</span><span class="s">/dev/ttyUSB</span> <span class="na">portnum :</span><span class="o">=</span> <span class="s">COM.SysCom.SYS_COMPORT1;</span> </pre></div> </div>

2020-02-27T16:00:49.809000Z2020-02-27T16:00:49.809000Zplcmaxhttps://forge.codesys.com/u/plcmax/https://forge.codesys.comc79736bae4e01916582d18d517c77b3c25062144

<div class="markdown_content"><p>Hi,<br/> did you modify this USB converter to the plc configuration file?<br/> sudo nano /etc/CODESYSControl_User.cfg</p> <p><span>[SysCom]</span><br/> Linux.Devicefile=/dev/ttyUSB</p> <p>cheers<br/> plcmax</p></div>

2020-02-27T16:00:47.617000Z2020-02-27T16:00:47.617000Zc.manhttps://forge.codesys.com/u/c-man/https://forge.codesys.com036f56f04f1412d7234f492ebe1c6145a3632a56

<div class="markdown_content"><p>Hi,<br/> I have a <a class="" href="https://www.dabpumps.com/en/evoplus-small" rel="nofollow">DAB evoplus small pump</a></p> <p>I used a LAN cable cat 6a from pump (A,B and ground connector) to USB-RS485 converter, connected to raspberry Pi 3:</p> <p>I want to read/write registers modbus for controlling pump.<br/> In codesys software, I see a error: a red/yellow pulse triangle (in slave_modbus_porta_COM):</p> <p>and the code don't work. Why ?<br/> Do you have any solution?</p> <p><img alt="IMG: Bild" rel="nofollow" src="https://www.colglo.co.uk/image.php?filename=dabsp60152883.jpg&amp;stockcode=DABSP60152883&amp;category=&amp;width=1000&amp;height=1000&amp;category=000b000300090004"/></p> <p><img alt="IMG: Bild" rel="nofollow" src="https://img3.banggood.com/thumb/view/upload/2014/03/%20SKU075012%20(3).JPG"/></p> <p><img alt="IMG: Bild" rel="nofollow" src="http://i66.tinypic.com/332429h.jpg"/></p></div>