Siemens B4 Manual do Utilizador descarregar pdf (Página 18)

Automation– and Drive Technology- SCE

15. With LAD, STL, FBD: Program blocks, you now have an editor that give you the possibility to

generate your STEP 7-Program.

The schema for the selection of the data element through the button is shown for the first three

inputs as specified below.

If the organization block OB1 is not generated for all switches S0 to S7, it should be saved

and downloaded into the PLC

. The mode switch of the CPU must be on STOP! ( ® ®

)

16. Through the switching of the key switch to RUN, the program is started.

If only one of buttons S0 to S7 is activated through inching, the display of the value in the data

block that is assigned takes place on the output module with the address QW4.

T I A Training document Page 18 of 18 Module B4

Last revision: 02/2002 Data blocks

Forward Notes Generating data blocks

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Siemens B4 Manual do Utilizador Página 18