
|Air Cylinders
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Is there an absolute type CE1 or CEP1 series stroke reading cylinder?
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There is no absolute specification available. CEU5 series multi-counters also have a count value storage function when the power is turned OFF. However, if the cylinder moves after the power is turned OFF, the CEU5 count value and the cylinder position after the power is turned ON again will not match.
(Reference) Although the measurement method is different, we have released an actuator position sensor which can be mounted on a standard cylinder to output the stroke position with an analog signal. The D-MP series catalog can be found here. The actual alignment is only measured after the cylinder has been installed. However, this is an absolute sensor that maintains the position information even if the cylinder is moved while the power is turned OFF. Therefore, it is basically unnecessary to perform alignment by return to origin.
If the power is turned ON while outside the measurement range, the analog output will indicate the lower limit. (Analog current: 4 mA, Analog voltage: 0 V)