Page 98 - Advanced Course
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KNX ADVANCED COURSE


































                  Figure 12: Explanation of the control coefficients of PI control


                          Individual room control - output of control variable
                          Individual room control - output of control variable




                    Continuous output of control variable:   Switching output of control variable:


                                                100%                                   100%
                                                                                           Calculated
                                                                                           control
                                                                                       0%  variable
                                                0%
                                                                                       ON
                                                100%                                        Switch
                                                                                            output
                                                                                       OFF
                                                0%                   T
                                                                     T = Period duration

                  Figure 13: Difference between PI continuous output and PI switching output






















                  Home and Building Management Systems                                   KNX Association
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