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Step Run and Break
Section 4-3
108
4-3-3 Break Point
The break point is where the program execution is paused. Specifying a break
point will automatically stop the program execution at the specified point.
As an example of break point, the following introduces the case where moni-
toring the IR value used between FOR and NEXT.
Monitoring IR
The Step Run enables monitoring the contents of Index Registers (IR) while
executing a ladder diagram in the CX-Programmer's [Set Values] window,
which used to be impossible.
Following diagram shows an example of IR usage extracted from the sample
in
6-2 Index Registers
of
CS/CJ Series Programming Manual
(W394). Setting a
break pointer within the FOR to NEXT loop (the hatched part in the diagram)
enables to check the change of IR within the FOR to NEXT loop.
Program
address
Instruction word
(mnemonic)
Operand
000000
FOR
&100
000001 LD
NOT ,IR2
000002 TIM
,IR0+
@D0
000003 LD
,IR1+
000004
OUT
,IR2+
000005 LD
P_On
+
D0
000007 NEXT
000008 END
,IR1+
,
IR2
,IR2+
P_On
END
NEXT
++
D0
TIM
,IR0+
@D0
FOR
&100
Содержание CX-Simulator 1.9
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Страница 3: ...SYSMAC WS02 SIMC1 E CX Simulator Ver 1 9 Operation Manual Revised December 2009...
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Страница 63: ...Comparison of the CX Simulator and SYSMAC CS CJ series PLCs Section 1 6 24...
Страница 75: ...Installing and Uninstalling the Software Section 2 1 36...
Страница 157: ...Task Debugging Section 4 4 118...
Страница 195: ...Connection with Application Programs Section 7 2 156...
Страница 225: ...Checking the Result Section 8 5 186...
Страница 277: ...Other Functions Section 9 4 238...
Страница 289: ...Other Tips for Troubleshooting Section 10 3 250...
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