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6-1-2
CPU11-E Cycle Time
YES
NO
NO
Power application
Clears IR area and
resets all timers
Checks I/O Unit connections
Resets watchdog timer
Checks hardware and
Program Memory
Check OK?
Services Host Link Units
ALARM/ERROR
Sets error flags and turns
ON or flashes indicator
Executes program
Resets watchdog timer
Refreshes input bits
and output signals
ALARM
(Flashing)
ERROR
(Solid ON)
Services Peripheral devices
Resets watchdog timer and
program address counter
End of program?
YES
SCAN(18)
executed?
NO
YES
Resets watchdog timer and waits
until the set cycle time has elapsed
Calculates cycle time
Services SYSMAC LINK and
SYSMAC NET Link Units
Initialization
on power-up
Overseeing
processes
Program
execution
Cycle time
calculation
I/O
refreshing
Host Link Unit
servicing
Peripheral
device
servicing
SYSMAC LINK
and SYSMAC
NET Link Unit
servicing
PC
cycle
time
Cycle Time
Section 6-1
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 ...
Страница 3: ...iv ...
Страница 5: ...vi ...
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 ...