Baumer EA Series - Page 60

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02.20
Instance Attribute 17 - Total Measuring Range in Measuring Units
This instance attribute defines the total number of distinguishable steps over the entire measurement range.
The minimum possible value is calculated as:
Minimum value of attribute 17 = value of attribute 16
The maximum possible value is calculated as:
Maximum value of attribute 17 = value of attribute 16 x value of attribute 109
Reparameterization deletes the previous offset value (attribute 51) so that the previous position reference is
lost. The following values are possible.
Value range
2..536870912 (for "MT16ST13" device variant)
2..1073741824 (for "MT16ST14" device variant)
2..2147483648 (for "MT13ST18" device variant)
Default value
536870912 (for "MT16ST13" device variant)
1073741824 (for "MT16ST14" device variant)
2147483648 (for "MT13ST18" device variant
The total measurement range (TMR) indicates the maximum steps the encoder delivers. The maximum
possible position value is TMR - 1.
Instance Attribute 19 - Preset Value
This instance attribute contains the desired absolute preset value. Writing this object executes a preset. The
encoder position will immediately be set to the absolute position value given in instance attribute 19. The
encoder internally calculates a preset offset value (attribute 51) which is being stored in a non-volatile
memory.
Preset value (attribute 19) = position value (attribute 3) + offset value (attribute 51)
Note: The preset function should only be used when the encoder is at a standstill.
The preset can be selected in a range between zero and a value smaller than the set overall measurement
range (attribute 17).
For more details please see chapter Parameterization sequence.