Rockwell-automation 1771-QB Linear Pos. Manuel d'utilisateur télécharger pdf (Page 144)

Advanced Features

Chapter 9

9-13

Important: Incremental motion segments and relative position triggers

are based on the current axis position at the beginning of the motion

segment’s execution. Because of this, if you link a series of incremental

motion segments together you will likely see a small build-up of error. It is

recommended that an absolute position move be done occasionally to

remove this error build-up. Also, because incremental setpoint position is

based on the previous setpoint’s endpoint, but incremental motion segment

position is based on the current axis position at the beginning of the motion

segment’s execution, it is recommended that you not use a combination of

incremental setpoints and motion segments together.

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Rockwell-automation 1771-QB Linear Pos. Manuel d'utilisateur Page 144