Siemens v1.0 Service Manual download pdf (Page 32)

Simple example

2.4 Create program

STEP 7 Basic V10.5

32 Getting Started, 12/2009, A5E02651459-01

The following figure shows the execution of a program cycle OB:

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A program cycle OB with the name "Main [OB1]" is automatically created when you insert a

PLC into the project. In this organization block you create the program of the Getting Started

project.

2.4.2 Open organization block

Introduction

The following steps show you how to open the organization block in the program editor. The

program editor is the integrated development environment for creating the program.

Requirements

A PLC is present in the project.

Procedure

To open the organization block "Main [OB1]", follow these steps:

1. Open the "Program blocks" folder in the project tree.

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Siemens v1.0 Service Manual Page 32