https://forge.codesys.com/forge/talk/Engineering/thread/518236ee02/2020-02-27T14:00:18.193000ZRecent posts to Johnson decade counter not working2020-02-27T14:00:18.193000Z2020-02-27T14:00:18.193000ZdFxhttps://forge.codesys.com/u/dfx/https://forge.codesys.com7327bbca4c58afab3d039d7844e8a79808557a27

<div class="markdown_content"><p>This is due too updating of FBs I/O in the same cycle task. <br/> I bet your previous hardware was not updating in the same cycle a block outputs with the Matching inputs.</p> <p>You may want to use some memories to save the previous state of each output and use them as input. Then update the memories after your counter code.</p> <p>EDIT : Just by Curiosity, why would you use such a counter ?</p></div>

2020-02-27T14:00:17.917000Z2020-02-27T14:00:17.917000Zrudolstohttps://forge.codesys.com/u/rudolsto/https://forge.codesys.com3a4539c3b5d1604632b5e74fbb3b929b3437f688

<div class="markdown_content"><p>Hi forum <br/> I have been trying to make me a Johnson Decade counter with the Oscat FF_DRE function block.<br/> when i connect all five FF in a chain i allways get ALL of the outputs identical.<br/> have done this in CFC as a POU or as a FB in a POU.<br/> strange, as when i made my own decade counters years ago with digital IC's this was a simple task.</p> <p><img alt="IMG: DecCounter.PNG" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=4088"/></p></div>