Recent posts to Modbus TCP error > Slave does not support this register offsethttps://forge.codesys.com/forge/talk/Runtime/thread/124b4a3ba4/2020-09-05T12:30:45.975000ZRecent posts to Modbus TCP error > Slave does not support this register offsetModbus TCP error > Slave does not support this register offset2020-09-05T12:30:45.975000Z2020-09-05T12:30:45.975000Zmanueldiasmhttps://forge.codesys.com/u/manueldiasm/https://forge.codesys.come73ad70c29db6319723763b932bcb693b85ac8a4<div class="markdown_content"><p>It´s working well with CCW now. Thank you for your wise advice.</p></div>Modbus TCP error > Slave does not support this register offset2020-09-02T17:52:49.915000Z2020-09-02T17:52:49.915000Zaliazzzhttps://forge.codesys.com/u/aliazzz/https://forge.codesys.combd9477be34a417f19c6870aa236b3a3eac37dcad<div class="markdown_content"><p>Why don't you try to read/write into your localhost pi using the CODESYS master first? That way you can test it without external tools and get a better feeling for it.</p></div>Modbus TCP error > Slave does not support this register offset2020-09-02T16:22:58.938000Z2020-09-02T16:22:58.938000Zmanueldiasmhttps://forge.codesys.com/u/manueldiasm/https://forge.codesys.com9b84e61de8dff670029068297fdd679f584fca70<div class="markdown_content"><p>Thanks, but i have already tried all type of Modbus Function with Codesys and even i tried to use a PLC from Siemens insetad of Micro820 but no success so far. </p>
<p>Codesys as a slave seems to work fine but not as a master. 😟</p>
<p>I am using a Pi 3+.</p></div>Modbus TCP error > Slave does not support this register offset2020-09-02T16:14:41.200000Z2020-09-02T16:14:41.200000Zkislovhttps://forge.codesys.com/u/kislov/https://forge.codesys.com8f3091040d18e7024843c75d35589880ec8cb51d<div class="markdown_content"><p>As I see in CODESYS you use Modbus function 03 but in Modbus tool you use function 01 (because variable type: coils). I think you should try function 01 in CODESYS too.</p></div>Modbus TCP error > Slave does not support this register offset2020-09-01T10:10:48.732000Z2020-09-01T10:10:48.732000Zmanueldiasmhttps://forge.codesys.com/u/manueldiasm/https://forge.codesys.comfaed4acd97bdd3e24170415506e9d8e0a9b0a338<div class="markdown_content"><p>The Modbus Tool that communicates fine with CCW does not communicate with Codesys as a Master . Any tip ? </p>
<p>When i use the same tool being Codesys the slave the communication is fine. Help ? </p></div>Modbus TCP error > Slave does not support this register offset2020-08-31T18:26:11.584000Z2020-08-31T18:26:11.584000Zmanueldiasmhttps://forge.codesys.com/u/manueldiasm/https://forge.codesys.com6fea35937c81ff5965c400a800fbea4a84a5b8b6<div class="markdown_content"><p>In CCW the mapping should be ok because using a Modbus tool i can read register and coil values as you can see in the attachments .</p></div>Modbus TCP error > Slave does not support this register offset2020-08-31T14:16:21.764000Z2020-08-31T14:16:21.764000Zi-campbellhttps://forge.codesys.com/u/i-campbell/https://forge.codesys.com2f43fbf6bf33b4de97d13ee4c428ea399b919d57<div class="markdown_content"><p>What does your Modbus Mapping look like in CCW?<br/>
What does your Modbus channel configuration look like in CODESYS?</p></div>Modbus TCP error > Slave does not support this register offset2020-08-31T13:53:44.110000Z2020-08-31T13:53:44.110000Zmanueldiasmhttps://forge.codesys.com/u/manueldiasm/https://forge.codesys.comd72511a44cba690d445f8fcaaed009c4a38b14d0<div class="markdown_content"><p>I am trying to communicate by Modbus TCP being Codesys the master to a Micro 820 from Rockwell automation but i get the error " Slave does not support this register offset ". Any help to solve this issue ? </p>
<p>Regards,</p>
<p>MDias</p></div>