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Automatic control function programming manual ladder language

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5.1.2.3 Activation/Deactivation of Grafcet Steps<br />

Sequences with grafcet steps are activated (deactivated) from the user programme by loading the <br />

with the integer corresponding to the sequence(s) to be activated.<br />

5.1.2.4 Examples of Programming<br />

Specification using the grafcet methodology<br />

5 - 4 en-938846/3<br />

Step 0<br />

%M1.W == 0<br />

Step 1<br />

%M1.W == 1<br />

Step 2<br />

%M1.W == 2<br />

Step 3<br />

%M1.W == 3<br />

Wait on A<br />

Cycle start if SCY and STOP<br />

Movement from A to B<br />

Switch B reached<br />

Movement from B to C<br />

Switch C reached<br />

Movement from C to A<br />

Switch A reached

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