PM-R44-C3

Series:	PM-44
Packaging:	Bulk
Part Status:	Obsolete
Sensing Distance:	0.197" (5mm)
Sensing Method:	Transmissive
Output Configuration:	NPN - Dark-ON/Light-ON - Selectable
Current - DC Forward (If) (Max):	50mA
Current - Collector (Ic) (Max):	15mA
Voltage - Collector Emitter Breakdown (Max):	30V
Response Time:	20µs
Operating Temperature:	-25°C ~ 55°C
Mounting Type:	Chassis Mount
Package / Case:	Module, Wire Leads, Slot Type
Type:	Unamplified

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Introduction

The PM-R44-C3 is an optical slot type sensor with a transistor output that belongs to the category of photointerrupters. It uses optical sensing to detect objects that pass through its slit or slot in order to activate a circuit. It can be used for a wide range of applications, from controlling industrial machinery to preventing railway collisions.

Design

The PM-R44-C3 consists of a printed circuit board with a slot shaped like a slit which is arranged between two light sources and a phototransistor output. The light sources are composed of an LED and a photocell. The slot in the PM-R44-C3 is designed to let the light from the LED pass through and in doing so activate the photocell. As the object passes through the slot, the light is no longer able to reach the photocell, causing the transistor output to change state, from inactivated to activated.

Working Principle

The PM-R44-C3 works on the simple principle of light activation. When the object passes through the slot in the sensor, it interrupts or blocks the light from reaching the photocell. This in turn causes the transistor output to switch from off to on, activating the connected circuit. This happens repeatedly each time the sensor detects a new object, which is what makes the PM-R44-C3 so versatile.

Application Field

The PM-R44-C3 can be used for a wide range of applications. It can be used in industrial automation and safety systems to detect objects in order to activate a circuit. It can also be used in railway applications to detect objects that are in the path of the track, in order to prevent collisions.The PM-R44-C3 can also be used in optical data transmission applications. It can detect the presence of objects and transmit the data to a connected device. It can also be used in industrial counting applications, where it can detect the pass of objects and provide accurate counts.

Conclusion

The PM-R44-C3 is an optical slot type sensor with a transistor output that belongs to the category of photointerrupters. Its simple working principle and wide range of applications make it ideal for a variety of applications, from industrial automation to railway safety. With its easy design and configuration, the PM-R44-C3 is a great choice for any optical sensing application.

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