OEM BL2500, Руководство пользователя, Страница: 39 / 71

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PLC BL2500 User’s Manual Running Sample Applications
OEM Technology Solutions Page 33
3.4.6 Using Flow Chart
1. Open the ISaGRAF Project Management by double-clicking on the ISaGRAF Projects icon on your
Desktop or selecting Start menu
→
Programs
→
ISaGRAF 3.5
→
Projects . On the Projects
Management window, select File menu
→
New .
2. On the Create new project window, enter the
name of the project (for example b25test6) and
press
OK button. The name of project should not
exceed 8 characters. The b25test6 project is then
listed in the
Projects Management window.
3. Select Edit menu
→
Set comment text . Enter a brief description of this project and press OK button.
This description will be displayed next to the project name in the Projects Management window.
4. Double-click on b25test6 project. An empty B25TEST6 – Programs window is displayed.
5. Select File menu
→
New . On the New program window
enter the name of the program (for example, FCtest1); a
brief comment; select the Language to
FC ; select Begin
Style and press OK button. The FCtest1 program is
displayed in the B25TEST6 – Programs window.
6. Follow Steps 6 to 11 in 3.4.1 to create and populate the application’s Dictionary with SW1 and SW2
Boolean input variables, and LED1 Boolean output variable.
7. On the B25TEST6 – Programs window double-click on FCtest1 program.
8. Select the Insert a comment button and place the comment box in the FCtest1 Flow Chart
editor. Double click on the box to type in a comment such as “Exclusive OR logic for switching on
LED”.
9. Select the Insert a test button and place it between the “Begin” symbol and the “End” symbol.
Double click on it to display the editing box for that symbol. Rename it SW1 = SW2, and type in the
code SW1 = SW2.
10. Select the Insert an action button and place one on each of the two flow links from the test.
Double click on the action symbol placed on the “Yes” flow link to display the editing box. Rename it
LED1_OFF and type in the code:
LED1 := FALSE;
Double click on the action symbol placed on the “No” flow link to display the editing box. Rename it
LED1_ON and type in the code:
LED1 := TRUE;