Mitsubishi MELSEC-A series

APPENDICES
APP − 42
MELSEC-A
Appendix 2.1 Instruction Processing Time of Small Size, Compact CPUs
(1) Sequence instructions
Table 2.1 Instruction Processing Time of Small Size, Compact CPUs
Processing Time (µs)
AnS A1SJH/A1SH A2SH (S1)
Instruction Condition (Device)
R D R D R D
X 1.0 2.3 0.33 2.1 0.25 1.9
LD, LDI,
AND, ANI,
OR, ORI
Y, M, L, B, F, T, C 1.0 1.0 0.33 0.33 0.25 0.25
ANB
ORB
 1.0 1.0 0.33 0.33 0.25 0.25
Unchanged
(OFF → OFF, ON → ON)
1.0 2.3 0.33 2.2 0.25 1.9
Y
Changed (OFF → ON, ON → OFF) 1.0 2.3 0.33 2.2 0.25 1.9
Unchanged
(OFF → OFF, ON → ON)
1.0 1.0 0.33 0.33 0.25 0.25
L, S, B
M (other than
special M)
Changed (OFF → ON, ON → OFF) 1.0 1.0 0.33 0.33 0.25 0.25
Special M 37 37 9.6 9.5 7.2 7.2
Unexecuted 62 61 16.5 16.7 12.3 12.3
F
Executed 270 267 69.5 84.4 52.2 52.2
Instruction execution time 1.0 1.0 0.33 0.33 0.25 0.25
Unexecuted 0 0 0 0 0 0
After time out 11 11 7.2 9.6 20.0 18.0
K 24 24 12.0 12.8 22.0 22.0
T
Processing
time at the
execution
of END
instruction
Exe-
cuted
Added
D 30 30 21.6 24.0 24.0 23.6
Instruction execution time 1.0 1.0 0.33 0.33 0.25 0.25
Unexecuted 0 0 0 0 0 0
Uncounted 0 0 0 0 0 0
After count out 0 0 0 0 0 0
K 25 25 0.8 0.8 12.0 12.8
OUT
C
Processing
time at the
execution
of END
instruction
Exe-
ciuted
Counted
D 30 30 7.2 10.4 15.2 12.0
Unexecuted 1.0 2.3 0.33 2.1 0.25 1.9
Unchanged (ON → ON) 1.0 2.3 0.33 2.1 0.25 1.9
Y
Executed
Changed (OFF → ON) 1.0 2.3 0.33 2.1 0.25 1.9
Unexecuted 1.0 1.0 0.33 0.33 0.25 0.25
Unchanged (ON → ON) 1.0 1.0 0.33 0.33 0.25 0.25
M, L, S, B
Executed
Changed (OFF → ON) 1.0 1.0 0.33 0.33 0.25 0.25
Unexecuted 3.0 3.0 0.9 1.0 1.0 1.0
Special M
B
Executed 32.0 32.0 7.9 8.3 6.2 6.2
Unexecuted 2.7 3.2 0.9 1.4 1.0 1.0
SET
F
Executed 232 237 62.0 61.5 46.1 46.1
R: Refresh mode, D: Direct mode