Siemens NAN 67 Series Manual de Serviço descarregar pdf (Página 63)

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101

5-1

Ladder Logic (LAD) for S7-300 and S7-400

C79000-G7076-C504-02

Editing the Block Properties and Testing

the Program

After you have created and edited the data blocks and logic blocks, you

should check and edit the block properties. They contain information that

identifies the block and indicates how and when it was created. This

information can be useful when debugging a program.

The Ladder Editor allows you to test a single block while it is being executed

in a user program on the CPU. You can follow the signal flow within

networks on the screen. This program test, known as Program Status, helps

you check various processes and eliminate errors.

Section Description Page

5.1 Editing the Block Properties 5-2

5.2 Testing your Ladder Program - Overview 5-5

5.3 Setting the Program Status 5-6

5.4 Setting the Trigger Conditions 5-7

5.5 Choosing a Test Environment and Starting/Stopping the

Program Status

5-8

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