Omron C200HS Series User Manual

Step Run and Break Section 4-3
104
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 dia-
gram) 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
000006 ++ D0
000007 NEXT
000008 END
,IR1+
,IR2
,IR2+
P_On
END
NEX
T
++
D0
T
IM
,
IR0+
@
D0
FO
R
&100
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Omron C200HS Series Specifications

General

Brand	Omron
Model	C200HS Series
Category	Controller
Language	English