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E L C P r o g r a m m i n g M a n u a l
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4-4
SFC Structure
1. LAD
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Logic that is needed outside of SFC logic is put here.
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Logic is executed every scan.
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At a minimum logic to enable Initial Step Point must be located here.
2. Initial
Step
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The start of the procedure
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Only one per procedure
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Available addresses are S0 – S9
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No transition condition is used between this and the LAD therefore logic must
be included in LAD to turn on Initial Step addresses.
- If more than one procedure is needed, additional Initial Steps can be added.
Place the next Initial Step in first column, but after completion of previous
procedure.
3. Transition
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Condition to move between steps
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Required between each step point
Содержание ELC-PB
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