PM-T64W

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The PM-T64W is a photointerrupter sensor that is part of the slot type transistor output optical sensors. It is comprised of an infrared emitting diode (IRED) and an NPN silicon phototransistor mounted in a plastic housing. It is designed to detect paper or thin objects passing between the IRED and phototransistor, by interrupting the light beam to generate an electrical output signal.

This type of optical sensor is particularly useful for measuring passage velocity and switch control in a variety of industrial, commercial and professional applications. These include controlling mechanical components such as motors, actuators, industrial robots and other equipment as well as packaging and counting objects like coins, labels and so forth. The PM-T64W also has applications for monitoring security systems and providing an off-the-shelf photoelectric sensing solution for use in industrial automation.

The working principle of the PM-T64W is based on the interruption of the light beam between the infra-red emitter and the optical receiver. When the light beam is interrupted, the receiver will register a change in electrical output that can be used to trigger a response from a peripheral device. The sensor has a unit ribbon cable which provides power and control of the IRED and receiver. The user can control the Receiver Length, Gap Mode, and Signal Out; all of which can be easily adjusted depending on the application.

The PM-T64W has a relatively high speed response time, and a sensitivity range of up to 6.5 mm can be achieved depending on the gap between the emitter and receiver. The sensor operates on 5 VDC and is rated for 65 mA maximum, so it is important to ensure that the power supply can provide sufficient current to operate the device. In terms of environmental factors, the PM-T64W is designed to withstand up to 85 degrees Celsius and is rated IP54 weatherproof for outdoor operation.

The PM-T64W can also provide redundant protection. This means that if the main component of the optical sensor fails, the user can switch over to a backup protocol by simply changing the power supply connection or brownouts can even be detected and the device will reset itself as needed. This type of protection helps avoid false readings or unexpected shutdowns.

In summary, the PM-T64W slot type photointerrupter is an ideal choice for those looking for a reliable, cost effective and easy to implement solution for their optical sensing needs. This device is capable of detecting the passage speed, gap size and other applications where an electrical output of 1-2 VDC is required. It features a fast response time and can even be used outdoors, with its IP54 weatherproof rating. Additionally, the PM-T64W offers redundant protection and will reset itself if the main component fails.

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