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Programming LOGO!
3.3 Blocks and block numbers
LOGO!
Manual, 04/2011, A5E03556174-01
75
Block representation on the LOGO! onboard display
The figure below shows a typical view of the LOGO! onboard display. As you can see, it can
show only one block at a time. We have therefore introduced block numbers to help you
check the circuit structure.
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Assigning a block number
LOGO! assigns each new block in a circuit program a block number.
LOGO! uses these block numbers to indicate the block interconnections. This means that
these numbers are mainly an aid to your orientation in the circuit program.
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The figure above shows you three views of the LOGO! onboard display, which represent the
circuit program. As you can see, LOGO! interconnects the blocks using their numbers. To
scroll the circuit program, use the key .
Advantages of block numbers
You can connect almost any block to an input of the current block by means of its block
number. In this way, you can reuse the interim results of logical or other operations, reduce
programming effort, save memory space and clean up your circuit layout. To do so, however,
you need to know how LOGO! has named the blocks.
Содержание LOGO!
Страница 8: ...Preface LOGO 8 Manual 04 2011 A5E03556174 01 ...
Страница 136: ...Programming LOGO 3 9 Memory space and circuit program size LOGO 136 Manual 04 2011 A5E03556174 01 ...
Страница 278: ...LOGO functions 4 4 Special functions list SF LOGO 278 Manual 04 2011 A5E03556174 01 ...
Страница 302: ...Configuring LOGO 7 2 Setting the default values for LOGO LOGO 302 Manual 04 2011 A5E03556174 01 ...
Страница 366: ...Abbreviations LOGO 366 Manual 04 2011 A5E03556174 01 ...
Страница 372: ...Index LOGO 372 Manual 04 2011 A5E03556174 01 ...
Страница 400: ...Safety instructions 2 3 Notes about usage Basic Panels 28 Operating Instructions 04 2012 A5E02421799 03 ...
Страница 534: ...Index Basic Panels 162 Operating Instructions 04 2012 A5E02421799 03 ...