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Charlotte Stonestreet
Managing Editor |
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Editor's Pick
Linear motion monitoring
17 June 2014
Draw wire sensors based on magnetic rotary encoders offers a reliable solution for monitoring linear motion over a range of up to 10m. Posital’s Linarix draw wire sensors provide an alternative to potentiometer-based “string pots” for a wide range of applications, including materials handling, construction machinery, and medical equipment.
Unlike string pots, which depend on sliding contacts, Linarix draw wire sensors are based on microprocessor-controlled magnetic rotation sensors that can be programmed. Users can set system parameters such as the desired measurement range. Convenient push buttons and LED indicators facilitate these operations.
This feature can be used to ensure that the full scale of the output signal (voltage or current) match the limits of mechanical travel or to set the device to match the characteristics of the string pot that it is replacing, thereby minimising the need to re-program the control system.
