25LB10-Q

Series:	25L
Part Status:	Active
Encoder Type:	Mechanical
Output Type:	Quadrature (Incremental)
Pulses per Revolution:	36
Voltage - Supply:	--
Actuator Type:	1/4" Dia Flatted End
Detent:	Yes
Built in Switch:	No
Mounting Type:	Panel, PCB Through Hole
Orientation:	Vertical
Termination Style:	PC Pin
Rotational Life (Cycles Min):	100K

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Encoders: 25LB10-Q Application Field and Working Principle

Encoders are devices used to measure distances and track motion, generally using two sets of optical sensors which are placed on opposite sides of a rotating disc or wheel. The disc or wheel is usually mounted externally to a motor or drive shaft, and as it rotates the two sets of sensors detect the movement and provide signals indicating the distance and direction travelled.One example of an encoder is the 25LB10-Q, a 10-bit incremental rotary encoder developed by Ekström Motion Control AB. The 25LB10-Q is a high performance encoder designed to provide reliable and precise angular position feedback in demanding applications, such as automation, robotics, medical, or safety systems. It is well suited for any application in which a rotary encoder with reliability is needed, for example in vehicle control systems, high-speed machine tool spindles, and industrial drives.The 25LB10-Q has two output channels, one which signals A (CW direction) and B (CCW direction) in quadrature. The encoder can be configured to provide 4 to 10-bit resolution output signals for multiple operating modes. The encoder is able to detect rotations up to 45,000 RPM and has a wide operating temperature range of -10°C to 85°C.The 25LB10-Q also has a wide range of features and options to ensure reliable operation. It features a high-resolution optical scanner and non-contact magnetic sensing technology which is highly suited for harsh environments where dust, dirt, oil, and water may be present. The encoder also has an advanced signal processing system which is optimized for extreme accuracy and stability. Finally, its hermetic sealing protects it from environmental damage and its solid construction ensures durability.The 25LB10-Q’s working principle is based on a code disk placed on the rotating shaft. This code disk has alternating dark and light stripes which are detected and decoded by an optical imaging system. The optical imaging system then encodes the signal in A/B quadrature, providing incremental output signals from 4 to 10-bit resolution. This way, the 25LB10-Q is able to detect angular position of the motor or drive shaft in a range of up to 360°.To sum up, the 25LB10-Q is a reliable and accurate 10-bit incremental rotary encoder which can be used in demanding applications. Its wide range of features, such as its high-resolution optical scanner, non-contact magnetic sensing technology, and hermetic sealing, ensure reliable operation in harsh environments. Its working principle is based on a code disk which encodes the angular position of the motor or drive shaft in A/B quadrature, providing incremental output signals with 4 to 10-bit resolution.

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