Unication Messenger m90 Bedienungsanleitung Seite 5

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Table Of Contents
iii
Ladder Net ......................................................................................................................... 127
Placing Contacts & Coils.................................................................................................... 128
Placing a Function Block.................................................................................................... 130
Ladder Logic ...................................................................................................................... 132
Comments.......................................................................................................................... 132
Connecting elements: Line Draw....................................................................................... 133
Copy and Paste Elements ................................................................................................. 134
Copying multiple nets......................................................................................................... 135
Moving Elements ............................................................................................................... 137
Replacing Ladder elements ............................................................................................... 138
Restoring System Symbols................................................................................................ 140
Scrolling between nets....................................................................................................... 141
Viewing Logic Power Flow in a net .................................................................................... 141
Displaying an Operand Symbol in the Ladder Diagram .................................................... 143
Intersecting lines: Junction................................................................................................. 145
Ladder Nets with Feedbacks ............................................................................................. 145
Elements ............................................................................................................................ 146
U90 Ladder Elements..................................................................................................... 146
Contacts ......................................................................................................................... 147
Direct Contacts............................................................................................................... 148
Inverted Contacts ........................................................................................................... 148
Negative Transition Contact ........................................................................................... 149
Positive Transition Contact............................................................................................. 149
Coils................................................................................................................................ 150
Direct Coil ....................................................................................................................... 150
Inverted Coil ................................................................................................................... 150
Set Coil ........................................................................................................................... 151
Reset Coil ....................................................................................................................... 151
Timers (T) ....................................................................................................................... 151
Setting Timers ................................................................................................................ 152
Presetting Timers via Keypad ........................................................................................ 153
Operands ........................................................................................................................... 153
Operands........................................................................................................................ 153
Power-up ........................................................................................................................ 153
Operand Addressing ...................................................................................................... 154
Inputs (I) ......................................................................................................................... 155
Outputs (O)..................................................................................................................... 155
Timers (T) ....................................................................................................................... 156
Memory Bits (MB)........................................................................................................... 157
System Bits..................................................................................................................... 157
Memory Integers (MI) ..................................................................................................... 158
System Integers (SI)....................................................................................................... 159
Assigning an Operand Address by Symbol.................................................................... 160
Changing an Operand type ............................................................................................ 161
Finding an Operand by symbol ...................................................................................... 162
Operand Locations List .................................................................................................. 164
Operands in use ............................................................................................................. 165
Operand Values: ............................................................................................................ 167
Functions............................................................................................................................ 167
Functions without Ladder elements ............................................................................... 168
Compare Functions ........................................................................................................ 168
Logic Function ................................................................................................................ 173
Loops: Jump to Label ..................................................................................................... 177
Math Functions............................................................................................................... 180
Store Functions .............................................................................................................. 189
Time Functions............................................................................................................... 192
Functions without Elements ........................................................................................... 206
Counter .............................................................................................................................. 228
Building a Counter.......................................................................................................... 228
Timers ................................................................................................................................ 229
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