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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
B Instruction Execution Time
B-4 Applied Instruction Execution Time
Appendix B-4 Applied Instruction Execution Time
•FX3U/FX3UC PLCs
FNC
No.
Instruction
Execution time in ON status (µs) Execution time in OFF status (µs)
Remarks
16-bit instruction 32-bit instruction 16-bit instruction 32-bit instruction
Program flow
00 CJ 8.0 ⎯ 0.195 ⎯
01 CALL
13.5
(CALL+SRET)
⎯ 0.195 ⎯
02 SRET ⎯⎯⎯
03 IRET 4.4 ⎯⎯⎯
04 EI 3.8 ⎯⎯⎯
05 DI 3.7 ⎯⎯⎯
06 FEND
113.9 + 2.13X +
3.25Y
⎯⎯
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
07 WDT 5.4 ⎯ 0.065 ⎯
08 FOR
11.6
(FOR + NEXT)
⎯⎯⎯
09 NEXT ⎯⎯⎯
Move and compare
10 CMP 15.5 16.0 0.455 0.845
11 ZCP 18.9 19.7 0.585 1.105
12 MOV 0.64 1.48 0.32 1.48
For details, refer to
Appendix B-6-2.
13 SMOV 22.9 ⎯ 0.715 ⎯
14 CML 10.6 10.2 0.325 0.585
15 BMOV 13.9 + 0.44n ⎯ 0.455 ⎯
16 FMOV 14.2 + 0.19n 14.0 + 0.38n 0.455 0.845
17 XCH 10.7 11.4 0.325 0.585
18 BCD 7.94 12.49 0.325 0.585
19 BIN 4.38 5.32 0.325 0.585
Arithmetic and logical operation
20 ADD 4.77 5.72 0.455 0.845
21 SUB 4.82 5.78 0.455 0.845
22 MUL 4.6 5.7 0.455 0.845
23 DIV 6.3 7.67 0.455 0.845
24 INC 6.2 6.4 0.195 0.325
25 DEC 6.2 6.4 0.195 0.325
26 WAND 3.57 4.55 0.455 0.845
27 WOR 3.57 4.55 0.455 0.845
28 WXOR 3.57 4.55 0.455 0.845
29 NEG 7.6 8.0 0.195 0.325
Rotation and shift
30 ROR 10.5 11.5 0.325 0.585
31 ROL 10.5 11.5 0.325 0.585
32 RCR 10.9 11.8 0.325 0.585
33 RCL 10.9 11.8 0.325 0.585
34 SFTR 23.2 + 0.08n ⎯ 0.585 ⎯
35 SFTL 23.2 + 0.08n ⎯ 0.585 ⎯
36 WSFR 7.5 + 0.44n ⎯ 0.585 ⎯
37 WSFL 7.5 + 0.44n ⎯ 0.585 ⎯
38 SFWR 8.1 ⎯ 0.455 ⎯
Rotation and shift
39 SFRD 7.7 ⎯ 0.455 ⎯