Rockwell-automation Logix5000 Controllers Sequential Function Charts P Manuel d'utilisateur télécharger pdf (Page 31)

Design a sequential function chart Chapter 1

Example

You want to complete these steps.

1. Turn on 2 compressors. When a compressor is on, the Device1State bit is on.

2. When both compressors are on, go to the next step.

Example

You want to complete these steps.

1. Package the product. When the product is in the package, the package_done bit turns on.

2. Pack the product either 8 per carton or 16 per carton.

Transition tag

Each transition uses a BOOL tag to represent the TRUE or FALSE state of the

transition.

If the transition is The value is And

True 1 The SFC goes to the next step.

False 0 The SFC continues to execute the current step.

How do you want to program the transition?

To program the transition, you have the following options.

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Rockwell-automation Logix5000 Controllers Sequential Function Charts P Manuel d'utilisateur Page 31