State machine diagrams are provided in this library guide for each function block to illustrate the specific behavior. The following table lists the symbols of state machine diagrams with a short description.
Symbol |
Description |
---|---|
Black line |
Functional procedure |
Green line |
|
Red line |
Detected error-related procedure |
Blue line |
Abort procedure |
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Idle state (waiting for an input command). |
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Setting the value of an input variable. The colors of the frames correspond to the procedure type (see lines 1...4 of this table). |
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Simple method, called once when a state transitions is performed. |
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State of the internal state machine, a specific control method is called. |
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Return value of the specific control method (type ET_Result). |