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Program Execution
When program execution is started, the CPU cycles the program from top to
bottom, checking all conditions and executing all instructions accordingly as it
moves down the bus bar. It is important that instructions be placed in the
proper order so that, for example, the desired data is moved to a word before
that word is used as the operand for an instruction. Remember that an in-
struction line is completed to the terminal instruction at the right before exe-
cuting an instruction lines branching from the first instruction line to other ter-
minal instructions at the right.
Program execution is only one of the tasks carried out by the CPU as part of
the cycle time. Refer to Section 6 Program Execution Timing for details.
Program Execution
Section 4-10
Содержание SYSMAC C200H
Страница 1: ...OPERATION MANUAL C200H CPU01 E 03 E 11 E SYSMAC Programmable Controllers Cat No W130 E1 05 ...
Страница 2: ...C200H Programmable Controllers CPU01 E 03 E 11 E Operation Manual Revised June 2003 ...
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Страница 8: ...TABLE OF CONTENTS ix Glossary 345 Index 363 Revision History 369 ...
Страница 342: ...336 Programmer Program Date Page Word Contents Notes Word Contents Notes Data Storage ...
Страница 374: ...Cat No W130 E1 05 C200H Programmable Controllers CPU01 E 03 E 11 E OPERATION MANUAL ...