Activity for scoob
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scoob posted a comment on discussion Engineering 🇬🇧
Hello, I have been trying to use the ModbusFB functions so I can put some code into libraries, but it seems to be very slow for me. I have a Modbus device with 100ms registers. I previously setup 10 channels in the 'traditional' Modbus Slave with channels and mappings - and set a cyclic trigger at 100ms - this worked fine. I then tried the ModbusFB example, and setup reading the same 10 blocks of modbus addresses, copying the example and putting all of the requests into an array and triggering the...
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Hi all, I have updated via Tools->Installer, but the Modbus Slave Device is not updated - so the Modbus Master and Modbus Slave are at v4.3.0. But when I then add a Slave to the Modbus Master Device - it will only allow 4.1.0 - which still has the 10 channel limit? Am I doing something wrong? Structure: Master Device: Slave Device: Add channel greyed out: Installer:
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Hi all, I have updated via Tools->Installer, but the Modbus Slave Device is not updated - so the Modbus Master and Modbus Slave are at v4.3.0. But when I then add a Slave to the Modbus Master Device - it will only allow 4.1.0 - which still has the 10 channel limit? Am I doing something wrong? Structure: Master Device: Slave Device: Add channel greyed out:
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Hi all, I have updated via Tools->Installer, but the Modbus Slave Device is not updated - so the Modbus Master and Modbus Slave are at v4.3.0. But when I then add a Slave to the Modbus Master Device - it will only allow 4.1.0 - which still has the 10 channel limit? Am I doing something wrong? Structure: Master Device: Slave Device: Add channel greyed out:
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Thanks for clarifying kislov! I have just opened up an old project, in v3.5 SP16, the modbus definitions were missing (3.15.0.0), so I "Downloaded the missing device description", now I get a build error saying: Max. number of Channels (10) exceeded ! - has the bug been introduced along with the release of SP19 but is backwards applicable as well for any downloads - older versions included?
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Hi kislov, not sure if it would make any difference, but I tried adding a new modbus device in v3.5 SP16 - it wanted to add the latest version 4.1.0.0 - I proceeded to add channels, and it will allow me to add more than 10 channels. It seems like it is SP19 that is introducing the limit, rather than the modbus device specifically.
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Hi kislov, thank-you for the update, I have found a work-a-round for now as I upgraded to start using Git. I did try downgrading (using update, and showing old versions) one of the modbus devices so it is version 3.5.16.0 - but it still had the 10 channel limit. As a work-a-round for now if it helps anyone else, it seems I can create the modbus device with all the needed channels in an old project from v3.15 SP16 for example, then copy and paste it into the new project, then use the update device...
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I have just updated a project from SP16 to SP19. I have added a new Modbus TCP Slave Device and started adding channels - I have added 10 and now it has greyed out the Add Channel button. Does anyone know if this is a bug, or a setting which needs changing? I opened another device which is already in the project, it has 81 channels already - but does have the button to add more greyed out?! Thank-you in advance!
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Managed to fix this, for anyone else that may come across the problem, I had the recipe manager included in the project - I wasn't using it, but removing it removed the error and allowed me to commit the project to Git.
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Hi, I am trying (and failing) to get Git setup and running on a project. The project was started in SP16.30, but is now updated to SP19 to allow the use of Git. I have Git installed along with the license. I tried with a simple 1 PRG project and it works and I can push to a remote server - so I know it is fundimentally working. When I try to initialise the main project, I always get an error and can't find what is going wrong. There are no POU's, Structures or Folders with spaces or whitespace that...
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Hi, I am trying (and failing) to get Git setup and running on a project. The project was started in SP16.30, but is now updated to SP19 to allow the use of Git. I have Git installed along with the license. I tried with a simple 1 PRG project and it works and I can push to a remote server - so I know it is fundimentally working. When I try to initialise the main project, I always get an error and can't find what is going wrong. There are now POU's, Structures or Folders with spaces or whitespace that...
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Hi, I am trying (and failing) to get Git setup and running on a project. The project was started in SP16.30, but is now updated to SP19 to allow the use of Git. I have Git installed along with the license. I tried with a simple 1 PRG project and it works and I can push to a remote server - so I know it is fundimentally working. When I try to initialise the main project, I always get an error: 'name' cannot be null or whitespace. Parameter name: null
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I have a master device trying to read data from Codesys project, it is limited to slave ID's from 1 to 254 so I cannot set the ID to 0 or 255 for broadcast. Is there any other options available to set a different ID? I had hopped I could activate the serial gateway on the Modbus TCP Master device, setting it to a port, then adding a Modbus RTU Com port for the same port, then adding a Modbus RTU slave with a Unit ID, but this doesnt seem to work either - the slave device doesnt report any errors...
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Did you ever find a solution to this? I am looking to perform the same thing.