{"id":3540,"date":"2025-04-18T11:36:22","date_gmt":"2025-04-18T11:36:22","guid":{"rendered":"https:\/\/webprojects.cloud\/wordpress\/splatco\/?post_type=spl_knowledgebase&#038;p=3540"},"modified":"2025-06-10T11:52:50","modified_gmt":"2025-06-10T11:52:50","slug":"pidassist-modes","status":"publish","type":"spl_knowledgebase","link":"https:\/\/webprojects.cloud\/wordpress\/splatco\/knowledgebase\/tutorials-application-notes-and-white-papers\/tutorial-pid-control-with-splat\/pid-control-using-pidassist\/pidassist-modes\/","title":{"rendered":"PIDassist: Modes"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"119\" height=\"86\" src=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/wp-content\/uploads\/2025\/04\/PIDassist-Modes-.gif\" alt=\"\" class=\"wp-image-3541\" srcset=\"https:\/\/webprojects.cloud\/wordpress\/splatco\/wp-content\/uploads\/2025\/04\/PIDassist-Modes-.gif 119w, https:\/\/webprojects.cloud\/wordpress\/splatco\/wp-content\/uploads\/2025\/04\/PIDassist-Modes--64x46.gif 64w\" sizes=\"auto, (max-width: 119px) 100vw, 119px\" \/><\/figure>\n\n\n\n<p>PIDassist can be operated in 3 main modes:<\/p>\n\n\n\n<p><strong>All in PC.<\/strong>&nbsp;The controller is simulated in the PC as well as the target (controlled) process. The SPLat board serves only as a dongle to unlock certain features.<\/p>\n\n\n\n<p><strong>SPLat + PC.<\/strong>&nbsp;The PID control calculations are performed in the SPLat board, by a program we supply, with the process simulated in the PC. Communication between the two is via SPLatLink. This is very slow, because the serial data communications take so much time. I used this early in the development of PIDassist and will eventually remove it.<\/p>\n\n\n\n<p><strong>All in SPLat.<\/strong>&nbsp;In this mode the SPLat is allowed to control the real process. The PC and PIDassist can be used to fine-tune the PID control parameters within the SPLat board. To do this you have to be using a SPLat program we supply that knows how to use PC-supplied parameters. In this mode two bytes of data are extracted from the SPLat board and displayed\/logged. This opens the door to logging the performance of your PID system. It also to gives you a way of characterizing your process at an earlier stage of the proceedings.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PIDassist can be operated in 3 main modes: All in PC.&nbsp;The controller is simulated in the PC as well as the target (controlled) process. 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