S-5712ACNL1-M3T1U Sensors, Transducers

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Magnetic Sensors, also known as switches (solid state), are electronic devices that utilize the sensing of magnetic fields for the purpose of acting as a frequency or contact switch when a magnetic field near certain threshold limits is detected. These sensors are used in a variety of applications ranging from automotive, industrial to consumer products. The S-5712ACNL1-M3T1U series, a special case of contactless switches of the S-5712AC series from TT electronics, are a great example of specialized magnetic sensors that are capable of operating at high frequencies and complicated triggered switching periods with relative ease and accuracy. This paper will discuss the application fields and working principles behind these contactless switches.

Application Fields

The S-5712AC series magnetic sensors are designed to detect the presence of small magnetic properties such as a magnetized coin or keychain, credit card, or car key. This makes them ideal for access control systems, security door locks, and other applications requiring the use of a magnetized device for user identification. Additionally, these sensors can be used in automatic doors, motor control systems, consumer electronics, medical equipment, and point-of-sale systems. Furthermore, the S-5712AC series is capable of operating in temperatures as low as -40°C, which makes them an attractive option for outdoor applications.

The specific S-5712ACNL1-M3T1U series, as part of the S-5712AC family, has an output frequency range of 250kHz to 5MHz, based on the predetermined threshold settings, and a wide operating voltage range from 1.5V to 3.6V. This makes it suitable for many different applications and should satisfy the needs of many electronic systems.

Working Principle

The S-5712ACNL1-M3T1U series is a contactless switch that is able to detect the presence of small magnetic objects such as a magnetized coin or keychain. It operates by detecting changes in the magnetic field that result from the presence of a magnetic source close to a coil. The T1U model implements a frequency-shift detection system with three settings: OFF, ON, and oscillation. When a magnetic source is detected, the coil will enter a known state, either OFF, ON, or oscillating, and the output frequency of the device will change accordingly.

The physical connection between the magnetic source and the switch itself is not necessary, as the switch is capable of detecting the source without direct contact. The S-5712ACNL1-M3T1U series is a low-power device, capable of operating in a wide range of conditions. The sensitivity of the device can be adjusted by varying the voltage supplied to the coil, resulting in a different output frequency depending on the strength of the magnetic field it is sensing.

Conclusion

The S-5712ACNL1-M3T1U series is a great example of a contactless switch designed specifically to detect magnetic sources. It is capable of operating in a variety of temperatures and conditions, as well as having a frequency-shift detection system with detailed settings and output frequencies. Additionally, its low-power design makes it suitable for portable electronic applications. The S-5712ACNL1-M3T1U series can can be found in a variety of applications including access control systems, doors, motor control systems, consumer electronics, medical devices, and point-of-sale systems.

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