Appendix B-4 Applied Instruction Execution Time - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition

Appendix B-4 Applied Instruction Execution Time

• FX /FX
3U 3UC
Execution time in ON status (µs)
FNC
Instruction
No.
16-bit instruction
Program flow
00 CJ
01 CALL
(CALL+SRET)
02 SRET
03 IRET
04 EI
05 DI
113.9 + 2.13X +
06 FEND
3.25Y
07 WDT
08 FOR
(FOR + NEXT)
09 NEXT
Move and compare
10 CMP
11 ZCP
12 MOV
13 SMOV
14 CML
15 BMOV 13.9 + 0.44n
16 FMOV 14.2 + 0.19n
17 XCH
18 BCD
19 BIN
Arithmetic and logical operation
20 ADD
21 SUB
22 MUL
23 DIV
24 INC
25 DEC
26 WAND
27 WOR
28 WXOR
29 NEG
Rotation and shift
30 ROR
31 ROL
32 RCR
33 RCL
34 SFTR 23.2 + 0.08n
35 SFTL 23.2 + 0.08n
36 WSFR 7.5 + 0.44n
37 WSFL 7.5 + 0.44n
38 SFWR
968
PLCs
32-bit instruction
⎯
8.0
⎯
13.5
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⎯
4.4
⎯
3.8
⎯
3.7
⎯
5.4
⎯
11.6
⎯
15.5 16.0
18.9 19.7
0.64 1.48
⎯
22.9
10.6 10.2
⎯
14.0 + 0.38n
10.7 11.4
7.94 12.49
4.38 5.32
4.77 5.72
4.82 5.78
4.6 5.7
6.3 7.67
6.2 6.4
6.2 6.4
3.57 4.55
3.57 4.55
3.57 4.55
7.6 8.0
10.5 11.5
10.5 11.5
10.9 11.8
10.9 11.8
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8.1
Execution time in OFF status (µs)
16-bit instruction 32-bit instruction
0.195
0.195
⎯
⎯
⎯
⎯
⎯
0.065
⎯
⎯
0.455 0.845
0.585 1.105
0.32 1.48
0.715
0.325 0.585
0.455
0.455 0.845
0.325 0.585
0.325 0.585
0.325 0.585
0.455 0.845
0.455 0.845
0.455 0.845
0.455 0.845
0.195 0.325
0.195 0.325
0.455 0.845
0.455 0.845
0.455 0.845
0.195 0.325
0.325 0.585
0.325 0.585
0.325 0.585
0.325 0.585
0.585
0.585
0.585
0.585
0.455
B Instruction Execution Time
B-4 Applied Instruction Execution Time
Remarks
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Even if FEND and END are
used together, execution time
⎯
of only END is required.
X: Number of input points,
Y: Number of output points
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⎯
⎯
For details, refer to
Appendix B-6-2.
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