Siemens v1.0 Service Manual Page 4

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Table of contents
STEP 7 Basic V10.5
4 Getting Started, 12/2009, A5E02651459-01
3 Extended example................................................................................................................................... 89
3.1 Introduction ................................................................................................................................. 89
3.2
Expanding the program
............................................................................................................... 91
3.2.1
Decl
aring tags in the PLC tag table ............................................................................................ 91
3.2.2 Programming the conditions for starting the conveyor
............................................................... 95
3.2.2.1 Querying the s
tatus of the machine ............................................................................................ 95
3.2.2.2 Querying
the position of the bottle and the status of the heating chamber ................................ 97
3.2.2.3 Query
pasteurization progress.................................................................................................... 99
3.2.2.4 Control co
nveyor ....................................................................................................................... 101
3.2.3 Programming the conditions for stopping the conveyor
............................................................ 103
3.2.4 Programming the PLC of the heating......................................................................................
.. 107
3.2.5 Programming the heating period..........................................................................................
..... 110
3.2.6 Programming the st
atus light .................................................................................................... 113
3.3 Test ex
panded program with program status ........................................................................... 117
3.4
Expand HMI
screen................................................................................................................... 123
3.4.1
Graphic
object "Heating chamber"............................................................................................ 123
3.4.2 Graphic
object "Heating chamber LED".................................................................................... 125
3.4.3 Graphic
objects "Light barriers"................................................................................................. 127
3.5 Simulate HMI s
creen................................................................................................................. 132
4
Ex
ample "PID control"............................................................................................................................ 135
4.1
Introduction
............................................................................................................................... 135
4.2
Set organizati
on block for PID controller................................................................................... 138
4.3
Create technologic
al object PID controller................................................................................ 141
4.4 Load simulati
on block................................................................................................................ 143
4.5
Configure PID co
ntroller............................................................................................................ 147
4.6
Changing the heating chamber c
ontrol..................................................................................... 152
4.7
Integrate temperatu
re comparison as condition in control program ......................................... 154
4.8
Adjust HMI sc
reen..................................................................................................................... 158
4.9
Activ
e PID controller in online mode ......................................................................................... 161
5
Ex
ample "Motion" .................................................................................................................................. 165
5.1
Introduction
............................................................................................................................... 165
5.2 Insert technological object "Axis"
.............................................................................................. 168
5.3
Configure technological object "Axis"
....................................................................................... 170
5.4
Enable axis...............................................................................................................
................. 173
5.5 Posi
tion axis relative ................................................................................................................. 176
5.6
Expand HMI
screen................................................................................................................... 180
5.6.1
Change graphic obj
ect conveyor .............................................................................................. 180
5.6.2 Create sec
ond graphic object bottle ......................................................................................... 182
5.6.3 Connect HMI objec
ts with motion instruction............................................................................ 186
5.7 Simulate HMI s
creen................................................................................................................. 189
5.8
Start diagnostics view
............................................................................................................... 191
Glos
sary ................................................................................................................................................ 197
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