1
2
3
APPEN-
DIX
6
7
8
Appendix 3 Me
thod of R
epla
cing Basic Mod
el QCPU
or H
igh
Perfor
mance
Model QCPU with U
niversal
Model QCPU
Appendix 3.3 Instructions
APPENDICES
App
-
36
2) Subroutine program
• In the subroutine program, an failure status is checked using a failure detection ladder pattern.
• If a failure is detected, a failure number is stored in D200 and the annunciator F200 is turned on.
• Specify the following arguments for the subroutine program.
(d) Replacement method when failure detection ladder patterns are changed by the CHKCIR and
CHKEND instructions
Failure detection ladder patterns can be changed in the subroutine program described in (c).
First argument
Device number of X device targeted for failure check
(Input)
Second argument
Contact number of X device targeted for failure check
(Input)
Figure App.14 Sample program
<F
a
il
ure
detect
i
on
target
>
I
f
a
fa
il
ure
i
s
detected
,
the
co
il
number
correspond
i
ng
to
the
fa
il
ure
type
i
s
set
to
D100
.
I
f
a
fa
il
ure
i
s
detected
,
a
fa
il
ure
number
i
s
created
by
comb
i
n
i
ng
the
co
il
number
correspond
i
ng
to
the
fa
il
ure
type
and
the
contact
number
.
T
he
annunc
i
ator
i
s
turned
on
.
