Siemens v1.0 Wartungshandbuch PDF herunterladen (Seite 35)

Simple example

2.4 Create program

STEP 7 Basic V10.5

Getting Started, 12/2009, A5E02651459-01

① Toolbar:

The toolbar allows you access the principal functions of the program editor, such

as:

 Insert, delete, open, and close networks

 Show and hide absolute operands

 Show and hide network comments

 Showing and hiding favorites

 Show and hide program status

② Block interface:

The block interface allows local tags to be created and managed.

③ "Favorites" pane in the "Instructions" task card and favorites in the program editor:

The favorites provide quick access to the instructions that you use frequently. The

"Favorites" pane can be individually extended with additional instructions.

④ Instruction window:

The instruction window is the work area of the program editor. You can perform the

following tasks here:

 Creating and managing Networks (Page 35)

 Entering titles and com

ments for blo

cks and networks

 Inserting instructions and supplying them with tags.

⑤ "Instructions" pane in the "Instructions" task card

⑥ "Extended Instructions" pane in the "Instructions" task card

⑦ "Instructions" task card

The "Instructions" task card contains the instructions you use to create the contents

of the program.

⑧ "Testing" task card

2.4.4 What are networks?

Introduction

The program of an organization block is divided into networks. The networks are used to

structure programs. Each block can contain up to 999 networks.

A network is automatically created in the organization block "Main [OB1]".

Networks in the LAD programming language

The program of an organization block can be created with different programming languages.

For the example project, the organization block "Main [OB1]" is edited with the graphic

programming language LAD.

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Siemens v1.0 Wartungshandbuch Seite 35