APPENDICES
APP − 43
MELSEC-A
Table 2.1 Instruction Processing Time of Small Size, Compact CPUs (Continue)
Processing Time (µs)
A2AS
(S1)
A2USH-S1
A2USH
board
A2C A52G A0J2H A1FX
Instruction Condition (Device)
R R R R R D R
X 0.20 0.09 1.3 1.0 1.3 2.3 0.25
LD, LDI,
AND, ANI,
OR, ORI
Y, M, L, B, F, T, C 0.20 0.09 1.3 1.0 1.3 1.0 0.25
ANB
ORB
0.20 0.09 1.3 1.0 1.3 2.3 0.25
Unchanged
(OFF → OFF, ON → ON)
0.40 0.18 1.3 1.0 1.3 2.3 0.25
Y
Changed (OF F→ ON, ON → OFF) 0.40 0.18 1.3 1.0 1.3 2.3 0.25
Unchanged
(OFF → OFF, ON → ON)
0.40 0.18 1.3 1.0 1.3 1.3 0.25
L, S, B
M (other than
special M)
Changed (OFF → ON, ON → OFF) 0.40 0.18 1.3 1.0 1.3 1.3 0.25
Special M 0.80 0.37 46 37 46 46 7.2
Unexecuted 2.8 1.28 76 61 76 76 12.3
26.34
F
Executed 99.0
60.90 *
829 663 829 829 52.2
Instruction execution time 0.40 0.18 1.3 1.0 1.3 1.3 0.25
Unexecuted 0.23 0.09 0 0 0 0 0
After time out 4.5 2.05 14 11 14 14 20.0
K 7.7 3.50 30 24 30 30 22.0
T
Processing
time at the
execution
of END
instruction
Exe-
cuted
Added
D 8.3 3.77 37 30 37 37 24.0
Instruction execution time 0.40 0.18 1.3 1.0 1.3 1.3 0.25
Unexecuted 0.27 0.12 0 0 0 0 0
Uncounted 0.27 0.12 0 0 0 0 0
After count out 0.27 0.12 0 0 0 0 0
K 4.2 1.91 31 25 31 31 12.0
OUT
C
Processing
time at the
execution
of END
instruction
Exe-
ciuted
Counted
D 4.8 2.18 37 30 37 37 15.2
Unexecuted 0.40 0.17 1.3 1.0 1.3 2.3 0.25
Unchanged (ON → ON) 0.40 0.17 1.3 1.0 1.3 2.3 0.25
Y
Executed
Changed (OFF → ON) 0.40 0.17 1.3 1.0 1.3 2.3 0.25
Unexecuted 0.40 0.17 1.3 1.0 1.3 1.3 0.25
Unchanged (ON → ON) 0.40 0.17 1.3 1.0 1.3 1.3 0.25
M, L, S, B
Executed
Changed (OFF → ON) 0.40 0.17 1.3 1.0 1.3 1.3 0.25
Unexecuted 0.80 0.36 3.0 3.0 3.0 3.0 1.0
Special M
B
Executed 0.80 0.36 40 32 40 40 6.2
Unexecuted 2.0 0.91 3.8 3.0 3.8 3.8 1.0
26.63
SET
F
Executed 99
61.17 *
638 638 638 638 46.1
R: Refresh mode, D: Direct mode
* Value for A2USH board
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