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7
PROGRAMS REPLACEMENT
7.2.2 Instruction that may need replacement from A0J2HCPU to Basic model QCPU
Some instructions are not automatically converted during the replacement from A0J2HCPU to QCPU.
The following table lists such instructions together with the corrective actions. Reviewing the program
referring to the following is recommended.
Item
Instruction type
No.
Sequence
(1)
instructions
Basic
(2)
instruction
Application
(3)
instructions
*1
For details, refer to the following.
FA-A-0068 Precautions for replacing A/QnA (large type) series CPU with Universal model QCPU
7
- 24
A0J2HCPU
instruction
Bit device output reverse
CHK
Program switching
SUB
instruction
SUBP
ASC
Access instructions to
LRDP
local stations and remote I/
LWTP
O stations on
RFRP
MELSECNET(II),/B
RTOP
Special format failure
CHK
checks
SLT
Status latch instruction
SLTR
STRA
Sampling trace
instructions
STRAR
STC
Carry flag instructions
CLC
Print ASCII code
PR
instruction
Print comment instruction
PRC
name
(Counter Measures)
Review the program and convert manually.
(Supplement)
Candidate instruction to convert to: "FF" instruction
(Counter Measures)
Change manually to the same instructions of the Q series.
(Counter Measures)
Review the program and convert manually.
(Supplement)
Candidate instruction to convert to: "$MOV" instruction
(Counter Measures)
Create new programs for the network modules used by the
Basic Model QCPU.
(Counter Measures)
Replace the instruction by using an alternative program.
(Counter Measure)
There is no alternative action.
(Counter Measures)
Review the program and convert manually.
(Supplement)
Candidate instructions to convert to "STRA" "TRACE"
instructions
"STRAR" "TRACER" instructions
(Counter Measures)
Review the program and convert manually.
(Supplement)
Candidate instructions to convert to: "STC" "SET SM700"
instructions
"CLC" "RST SM700" instructions
(Counter Measures)
Replace the instruction by using an alternative program.
Corrective actions
*1
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