Siemens v1.0 Manuale di Servizio Pagina 118

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Extended example
3.3 Test expanded program with program status
STEP 7 Basic V10.5
118 Getting Started, 12/2009, A5E02651459-01
3. In Network 1, modify the "ON_OFF_Switch" tag to "1".
The "ON_OFF_Switch" tag is set to the signal state "1". The current flows through the
normally open contact to the coils at the end of the network. The "ON" tag is set and the
example machine thereby switched on. The OFF tag remains reset to "0" and has no
further effect.
4. In Network 2, modify the "LS_1" tag to "1".
The "LS_1" tag is set to the signal state "1". This simulates that a bottle is detected by the
light barrier "LS1" at the start of the conveyor. The "chamber_ON_OFF" tag has the signal
state "0", because the heating chamber is switched off during the simulation.
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