Siemens v1.0 Manual de servicio Pagina 119

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Extended example
3.3 Test expanded program with program status
STEP 7 Basic V10.5
Getting Started, 12/2009, A5E02651459-01
119
The power flows through the contacts of the main rung, resulting in the signal state "1" at
the input S of the "Set/reset flip-flop" instruction. The "conveyor_drive_ON_OFF" tag is
thereby set to the signal state "1" and the conveyor will be driven.
5. In Network 2, modify the "LS_1" tag to "0".
The LS_1 tag is reset to the signal state "0". This has the effect of simulating that the light
barrier "LS1" is deactivated.
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