Siemens v1.0 Manuel de service télécharger pdf (Page 114)

Extended example

3.2 Expanding the program

STEP 7 Basic V10.5

114 Getting Started, 12/2009, A5E02651459-01

Procedure

To program the status light so that it indicates the operating mode of the heating chamber,

follow these steps:

1. Insert a normally open contact into the fifth network of the "Main [OB1]" organization

block.

2. Interconnect the normally open contact with the tag "chamber_ON_OFF".

3. Insert the "Output coil" instruction at the end of the rung.

4. Enter the name LED in the operand placeholder of the "Output coil" instruction and

confirm the entry with the Enter key.

5. Open the device and network editor.

Note

Network incomplete

A white cross in a red circle is displayed as icon in Network 5. The icon indicates that the

interconnection or the tag definition in this network still has to be completed.

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Siemens v1.0 Manuel de service Page 114