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Manufacturer and Profile Specific Objects (CiA DS-406)
The following example serves to illustrate the approach:
Given:
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Assumed:
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Derived:
Number of revolutions covered
Number of mm / revolution = 2000 mm / 148.3598633 revs. = 13.48073499mm / rev.
For 1/100mm resolution this equates to a Number of steps per revolution of 1348.073499
Number of Revolutions numerator
Number of Revolutions denominator = 1
Total number of steps = Number of steps per revolution *
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Measuring system with 4096 steps/rev. and max. 4096 revolutions
Resolution 1/100 mm
Ensure the measuring system is programmed in its full resolution and total
measuring length (4096x4096):
Total number of steps
Revolutions numerator
Revolutions denominator = 1
Set the mechanics to be measured to the left stop position
Set measuring system to "0" using the adjustment
Set the mechanics to be measured to the end position
Measure the mechanical distance covered in mm
Read off the actual value of the measuring system from the controller
connected
Distance covered = 2000 mm
Measuring system actual position after 2000 mm = 607682 steps
Required programming:
= 1348.073499 steps / rev. *
= 5521709 steps (rounded off)
TR - ECE - BA - DGB - 0127 - 04
= 16777216,
= 4096
= 607682 steps / 4096 steps/rev.
= 148.3598633 revolutions
= 4096
Number of revolutions numerator
Number of revolutions denominator
4096 revolutions numerator
1 revolution denominator
Printed in the Federal Republic of Germany
06/20/2017
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