KL5xxx | Bus Terminals, position measurement

High-speed counting, along with position detection using an array of different displacement transducer technologies, both absolute and incremental, is an essential element of many automation applications. With the Bus Terminals from the KL5xxx series for position, frequency, displacement or angle measurement, Beckhoff offers the right solution for your precision measurement tasks. The KL5xxx enables the evaluation of different signals from linear and rotary encoders as well as from measuring probes.


  • integrated sensor supply
  • realization of simple automation solutions, even for complex systems, due to numerous functions

Areas of application

  • position, speed of rotation and velocity measurement
  • positioning tasks for motion control applications
  • piece goods counting

Absolute position detection
Position measuring systems and absolute encoders with an SSI (synchronous serial interface) can be evaluated. Many modules are equipped with an integrated sensor supply. Extensive parameterization options allow all standard sensors in both single-turn and multi-turn versions to be connected and evaluated.

Incremental position detection
Incremental encoders with differential signals (RS422) or 5 V single-ended signals from TTL encoders as well as 24 V HTL encoder signals can be evaluated. 24 V digital inputs are available for saving and disabling the counter value. The KL5121 with four digital outputs allows the realization of a linear path controller.

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