Page 89 - Electromechanical Devices and Components Illustrated Sourcebook
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Chapter 4  Electrical Controls 51
















                        Detecting Motion         Single Lobe Cam          Multilobe Programmable Cam














                        Lever Limit              Compound Lever Limit     Detecting Through Motion











                        Maximum Travel                        Bidirectional Travel






                        Belt Motion
                      Figure 4-47 Limit Switch Applications


                                          Drive Shaft
                                                                        Expanding Shoes
                                     Drive Bar
                                                                             Shoe Retainers
                                Driven Disk
                                                                             Springs













                                             Limit Switch
                                                               20 Amp. 220 VAC, 1 HP
                                                                10 Amp. 120  VDC


                                Figure 4-48 Limit Switch Over/Under Torque Detection
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