SEQUENTIAL FUNCTION CHART
OBJECTIVE
THEORY IN SHORT
Industry Automation and Drive Technologies - SCE
Transition
THEORY
CONTINUOUS AND SEQUENTIAL CONTROLS
STRUCTURE OF STEP SEQUENCES
Parallel branch
Alternative branch
Figure 2 Alternative and parallel branches
Uncertain structure
Industry Automation and Drive Technologies - SCE
INTERACTION OF SEQUENCE CONTROLS AND LOGIC CONTROL SYSTEMS
DESIGN OF SEQUENCE CONTROLS
Industry Automation and Drive Technologies - SCE
Industry Automation and Drive Technologies - SCE
Operating Modes and Switching Modes
PROTECTION FUNCTIONS AND OPERATING MODES IN SEQUENCE CONTROLS
SEQUENCE CONTROLS IN PCS7
Industry Automation and Drive Technologies - SCE
Sequence Options
Interaction Performance
LITERATURE
Industry Automation and Drive Technologies - SCE
STEP BY STEP INSTRUCTIONS
TASK
OBJECTIVE
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PROGRAMMING
Industry Automation and Drive Technologies - SCE
TIA Training Manual
2. Next, we are selecting the SFC properties. → SFC1 → Object Properties
Industry Automation and Drive Technologies - SCE
Industry Automation and Drive Technologies - SCE
→ OS → Transfer chart to the OS for visualization
6. Under the tab Version, we accept all parameters with OK. → Version → OK
Industry Automation and Drive Technologies - SCE
Button Insert loop Button Insert jump Button Insert text field
Button Switch on Select Button Insert Step and Transition
Industry Automation and Drive Technologies - SCE
Button Insert parallel branch Button Insert alternative branch
Module P0107
Industry Automation and Drive Technologies - SCE
TIA Training Manual
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edit normally again. →
Industry Automation and Drive Technologies - SCE
11. Now, we first want to be able to change the properties of a step. Right click on the step and then select Object Properties. → 3 → Object Properties
Industry Automation and Drive Technologies - SCE
Module P0107
Industry Automation and Drive Technologies - SCE
TIA Training Manual
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16. Now we have to implement the actual function of the step sequence. We start by double clicking on the step ’START’. → START
Industry Automation and Drive Technologies - SCE
18. Then, in a selection window in the familiar clearly laid out plant view we select the connection of a desired block
Industry Automation and Drive Technologies - SCE
19. On the right side, this parameter can be assigned either the value of another parameter again from the plant view or, as here, simply a constant. → Auto → Close
Industry Automation and Drive Technologies - SCE
21. To establish connections, we highlight the first field and then click on ’Browse’. → Browse
Industry Automation and Drive Technologies - SCE
→ InitOK
Industry Automation and Drive Technologies - SCE
25. To again establish logic operations, we highlight the first field and then click on ’Browse’. → Browse
Industry Automation and Drive Technologies - SCE
27. To the right, we again enter a value, and in the center we specify the type of operation. Here, we are querying the equality of the values. → TRUE → = → Close
Industry Automation and Drive Technologies - SCE
29. For the operations, we again highlight the first field and then click on ’Browse’. → Browse
Industry Automation and Drive Technologies - SCE
→ 350.0 → = → Close
Industry Automation and Drive Technologies - SCE
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Industry Automation and Drive Technologies - SCE Step EductB003inR001
Step Heat25CStir
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Industry Automation and Drive Technologies - SCE Step Hold25CStir
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Industry Automation and Drive Technologies - SCE Step heat 28C stir
Step R001inProdB001
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Transition ready
Industry Automation and Drive Technologies - SCE
Industry Automation and Drive Technologies - SCE
34. In the tool for compiling and downloading, we now check the settings for the charts. → Charts → Settings for Compilation/Download → Edit
36. We download the entire program also
Industry Automation and Drive Technologies - SCE
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Type
EXERCISES
TASKS
Name
