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06/06/2019 TR - EMO - BA - DGB - 0019 - 08 Page 149 of 252
4.3 State machine, status and control word
The state machine is a central element in the drive profile. This is where the operating
states and the state transitions are defined. The states that the device goes through
after switch-on and how it is transferred into the “ready” state are defined so that a
positioning movement, for example, can be carried out.
Most state transitions are initiated sequentially by the control (e.g. PLC) transmitting
certain commands in the control word in the form of bit patterns.
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