Create The Ld - Ld1 Program - ICP DAS USA VP-2117 Getting Started

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4.1.5 Create the LD - LD1 Program

ISaGRAF will run every program one time in each PLC scan cycle. Programs in

the

begin

area will run first, then the Sequential area, and last the End area.

An ISaGRAF cycle run in the way as the below scheme.

1. Click the tool button - Create New Program and the New Program window

will appear.

2. Enter the program name (ex. LD1 ) in Name entry box.

3. Select Quick LD: Ladder Diagram in Language drop-down menu.

4. Select Begin: Main Program in Style drop-down menu. You also can write

notes in Comment entry box if necessary.

Now you have one program inside this project. Please double click on the LD1 to

get into it.

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Scan all Input

Process „begin‟ area

ISaGRAF

Cycle

Process „End‟ area

Refresh all Output

VP-2117 Getting Started, Apr. 2010, V1.0

Process „Sequential‟ area

4-8

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