APPENDICES
APP − 44
MELSEC-A
Table 2.1 Instruction Processing Time of Small Size, Compact CPUs (Continue)
Processing Time (µs)
AnS A1SJH/A1SH A2SH (S1)
Instruction Condition (Device)
R D R D R D
Unexecuted 1.0 2.3 0.33 2.0 0.32 1.9
Unchanged
(OFF → OFF)
1.0 2.3 0.33 2.0 0.32 1.9
Y
Executed
Changed (ON → OFF) 1.0 2.3 0.33 2.0 0.32 1.9
Unexecuted 1.0 1.0 0.33 0.33 0.32 0.25
Unchanged
(OFF → OFF)
1.0 1.0 0.33 0.33 0.32 0.25
M, L, S, B
Executed
Changed (ON → OFF) 1.0 1.0 0.33 0.33 0.32 0.25
Unexecuted 3.0 3.0 1.4 1.4 1.0 1.0
Special M
B
Executed 32 32 8.4 8.4 6.2 6.2
Unexecuted 3.6 3.0 1.4 1.4 1.0 1.0
OFF→OFF
8.5
OFF→OFF
8.4
F
Executed 296 283 73.2 75.3
ON→OFF
57.1
ON→OFF
57.1
Unexecuted 3.0 3.0 1.4 1.4 1.0 1.0
OFF→OFF
8.3
OFF→OFF
8.3
T, C
Executed 43 43 11.0 11.0
ON→OFF
9.0
ON→OFF
9.0
Unexecuted 3.0 3.0 1.4 1.4 1.0 1.0
D, W
A0, A1
V, Z
Executed 28 28 7.0 7.0 5.2 5.3
Unexecuted 3.0 3.0 1.4 1.6 1.0 1.0
RST
R
Executed 35 35 36.4 36.2 6.7 6.7
NOP 1.0 1.0 0.33 0.33 0.25 0.25
M9084 OFF 2150 2150 663.2 628.0 466.6 451.7
FEND
END
M9084 ON 2060 2060 636.0 602.4 451.3 436.1
Unexecuted 43 44 15.0 13.0 8.8 10.5
Y
Executed 39 41 14.0 11.9 8.0 9.7
Unexecuted 43 43 13.4 11.4 8.8 8.5
MC
M, L
B, F
Executed 39 39 12.2 10.3 8.0 7.7
MCR 26 26 5.4 7.3 5.2 6.8
R: Refresh mode, D: Direct mode