Step Action
6
● In the SFC chart, open the shortcut menu of step (3) below the transition (2) and then
select Object Properties.
● At the "Minimum:" entry in the "Runtimes" group, enter "10s" (without space).
● Select the "Processing" tab.
● Click "Browse".
● Click the plus symbol in front of the "MOTOR1" CFC chart.
● Select the "Motor" block.
● In the "Name" column, select the "StartAut" connection.
● Open the shortcut menu and select Open Structure.
● In the "Name" column, select the "Value" connection. Click "Apply".
● In the "Properties - 3 --…" dialog box, enter the number "1" next to ":=" in line 1. Click
"Apply".
● Select the second line.
● Click "Browse".
● Select the "Motor" block.
● In the "Name" column, select the "StopAut" connection.
● Open the shortcut menu and select Open Structure.
● In the "Name" column, select the "Value" connection. Click "Apply".
● In the "Properties - 3 --…" dialog box, enter "0" next to ":=" in line 2. Click "Apply" and
"Close".
The motor is now switched on when the process value of the control system reaches or
exceeds the value 50.
7
● Open the shortcut menu for step 3 of the SFC and select Copy.
● Open the shortcut menu in the blank area of the SFC chart and select Paste.
● Move the cursor in the SFC chart above the "End" step until the green line appears and
then press the left mouse button.
8
● In the SFC chart, open the shortcut menu for step (4) and select the Object Properties
menu command.
● Select the "Processing" tab.
● In the first line ("StartAut" parameter), change the value from "TRUE" to "FALSE".
● In the second line ("StopAut" parameter), change the value from "FALSE" to "TRUE".
● Click "Apply" and then "Close".
● The motor switches off. Processing continues after 10 seconds.
End
● Select SFC > Exit.
Configuring the process tags and the sequential control
4.4 How to Configure the SFC Chart
Getting Started (V8.1 with APL)
38 Getting Started, 07/2014, A5E32713210-AA
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