Описание работы типовых релейно-контакторных электрических схем управления электроприводами, страница 12

А     В     С            N                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     SB2                                                                                                        SB1                             SQ1.1                KM1                                  QF1                                                                                                                                                                                                             KM2.2                                                                                                                                                                                                                                KM1.1                                                                                                                                                                                                        KM1            KM2                                                                                                                                                       KT2.2                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    SQ1.2                             KT1                                                                                                          KM2.3                                                                                                                                                                                                                                                                                          М1                                                                 KT1.1                                                                                                                                                                                                                                                                                                                                                                                                KT1.2                                                                                                                                          SQ2.1             KM2                                                                                                              KM1.2                                                                                                                                                                                                                                                                                                                                                                        KM2.1                                                                                                                                                                                                                                                                                                                                                                                                              SQ2.2                       KT2                                                                                                          KM1.3                                                                                                                                                                                                                                     KT2.1                                                                                                                                                                                                                                                                         

Рисунок 7.16 – Схема управления электроприводом по циклу: ход
                           «вперёд», останов в крайнем положении на время ∆t₁,
                           ход «назад», останов в исходном положении на время
                           ∆t₂, ход «вперёд» и так далее (повторение цикла)

    А     В     С        N

 

                                                                                                        SR

                      QF1                         SB1         SB2                  SQ1.1         

                                                                                                                            KM1

                                                                                                              KM2.2

                                                                    SQ2.1

                     KM1                   KM2                      KM1.1

                                                                                                                            KM2

                                                                                    KM2.1         KM1.2

                                                         SR                      SQ1.2