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Why is the response time up to 200 % of the specification?
Article No: KA-10526
Version: 1.0
Subject to change without notice
Related Products
UM30-2
UC12
UC40
UC30
UM18-2 Core
UC4
UM12
Table of Contents
SICK does not define response time of analog output as the time until a visible reaction, but until 90% of the end value is reached.
This approximation of the final value depends on the settings of the average filter. For this reason, a footnote has been added to UC4, that the response time might be extended up to 200% in reference to the device specification.
Example:
With all analog variants, except UM18-2, the average filter is filled with max. distance values (=limiting range values) by default when switching on. Depending on the output scaling, a jump to a closer distance initially takes a certain amount of time before the calculated average value falls within the scaled window and a reaction can be seen on the analog output. The similar behaviour occurs when the sensor looks into infinity (= max. distance) and then an object enters sideways at a short distance.
