7 REPLACEMENT OF PROGRAM
7 - 7
7.1.3 AnSCPU program conversion ratio
• Conversion ratio of common instructions (Sequence/basic/application instructions)
The following table shows the conversion ratio when changing the programmable controller type of
the AnSCPU common instructions to the QCPU.
More than 90% of the common instructions are automatically converted.
Instruction type
Number of
instructions
QnUCPU
Number of
instructions
applicable for
automatic
conversion
Number of
instructions
requiring
manual
change
Conversion ratio
(rough standard)
Sequence instruction
Contact instruction 6 6 0 100%
Connection instruction 5 5 0 100%
Output instruction 6 5 1 83%
Shift instruction 2 2 0 100%
Master control instruction 2 2 0 100%
Termination instruction 2 2 0 100%
Other instructions 3 3 0 100%
Total number of sequence instructions 26 25 1 96%
Basic instruction
Comparison operation instruction 36 36 0 100%
Arithmetic operation instruction 40 40 0 100%
BCD ï‚« BIN conversion instruction 8 8 0 100%
Data transfer instruction 16 16 0 100%
Program branch instruction 9 9 0 100%
Program switching instruction 1 0 1 0%
Link refresh instruction 2 2 0 100%
Total number of basic instructions 112 111 1 99%
Application
instruction
Logical operation instruction 18 18 0 100%
Rotation instruction 16 16 0 100%
Shift instruction 12 12 0 100%
Data processing instruction 20 19 1 95%
FIFO instruction 4 4 0 100%
Buffer memory access instruction 8 8 0 100%
FOR to NEXT instruction 2 2 0 100%
Local station, remote I/O station
Access instruction
4 0 4 0%
Display instruction 5 1 4 20%
Other instructions 10 2 8 20%
Total number of application instructions 99 82 17 83%
Total number of sequence/basic/application instructions 237 218 19 92%
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