Wachendorff WDGA 58S handleiding
Handleiding
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Technical Manual
WDGA with IO-Link
3 - Device description
© Wachendorff Automation GmbH & Co. KG
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3.3.2 Multiturn - MT (EnDra®)
A multiturn encoder enables the number of revolutions to be recorded. This is realized
via a revolution counter. EnDra® technology is used in the WDGA encoders to ensure
that the relevant information is retained even in a de-energized state. Buffer batteries
and gearboxes, which require a comparatively large installation space and
corresponding maintenance effort, can therefore be replaced.
3.3.3 Direction of rotation
The positive direction of rotation can be reversed by a simple two's complement (invert
each bit and add "1") of the position value.
3.3.4 Preset
A desired position value can be assigned to the rotary encoder for a specific physical
position. This must be within the measuring range so that the position value is
correlated with a physical reference position. To do this, the difference between the
current position value and the desired value is calculated. This is saved in a non-
volatile memory and added to the position value as an offset.
3.3.5 Scaling
The scaling parameters can be used to adjust the position value to exactly match the
physical quantity to be measured. The scalable parameters are "Measuring units per
revolution (MUPR)" and "Total measuring range in measuring units (TMR)".
The scaling parameter "Measuring units per revolution (MUPR)" - increments per
revolution - specifies the resolution of the position value per revolution (also: ST
resolution). The value corresponds to 360°. This means that if a value of 3600 Cts is
parameterized, the rotary encoder outputs the position in 0.1° increments
(see equation (2)).
𝑀𝑈𝑃𝑅 = 𝑆𝑇 = 3600 𝐶𝑡𝑠
(1)
𝑊𝑖𝑛𝑘𝑒𝑙𝑠𝑐ℎ𝑟𝑖𝑡𝑡𝑒 =
𝑊𝑖𝑛𝑘𝑒𝑙 𝑒𝑖𝑛𝑒𝑟 𝑈𝑚𝑑𝑟𝑒ℎ𝑢𝑛𝑔
𝑀𝑈𝑃𝑅
=
360°
3600 𝐶𝑡𝑠
= 0,1°/𝐶𝑡𝑠
(2)
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Productinformatie
Merk | Wachendorff |
Model | WDGA 58S |
Categorie | Niet gecategoriseerd |
Taal | Nederlands |
Grootte | 5087 MB |