Product Detection & Count - As a product pushes against a limit switch, a signal is sent to the control system.They thus play an important role in manufacturing due to their simplicity and low cost. They have been developed a number of decades ago and the mass adoption of their use significantly lowered their cost for the end user. Limit switches are an inexpensive way to create a link between the physical and electrical domains. Based on the hardware and software tied to said switches, the system is able to take appropriate action. In all cases, the limit switches will send a digital signal to the control system. They are used as control devices and safety devices for machinery and personnel. Limit Switches are used in washing machine lids as a permissive to start the wash cycle.Ĭountless limit switches are found in manufacturing.They are used in elevators to notify the system that the cabin has reached the desired floor.They are used in microwaves to check that the door is closed before operation is allowed.Limit Switches can be found in a number of everyday devices: Limit Switches are used to detect the presence of objects, thus allowing the system to take desired action. A limit switch is an electro-mechanical device used to send an electrical signal based on a physical interaction.
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