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The following process requires that a product is processed in one of two
ways, depending on its weight, before it is printed. The printing process is the
same regardless of which of the first processes is used. Various sensors are
positioned to signal when processes are to start and end.
SW A1
SW A2
SW B1
SW B2
Process C
Weight scale
Process B
Process A
Printer
SW D
The following diagram demonstrates the flow of processing and the switches
that are used for execution control. Here, either process A or process B is
used depending on the status of SW A1 and SW B1.
Process A
Process C
End
SW A1
SW B1
SW A2
SW B2
SW D
Process B
The program for this process, shown below, starts with two SNXT(09) in-
structions that start processes A and B. Because of the way 00001 (SW A1)
and 00002 (SB B1) are programmed, only one of these will be executed to
Example 2:
Branching Execution
Step Instructions
Section 5-21
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 ...