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FX3S/FX3G/FX3GC/FX3U/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
B Instruction Execution Time
B-1 Basic Instruction Execution Time
31
FNC277-FNC279
Data
Transfer 3
32
FNC280-FNC289
High-Speed
Processing 2
33
FNC290-FNC299
Extension File
Register Control
34
FNC300-FNC305
FX
3U
-CF-ADP
35
SFC•STL
Programming
36
Interrupt
Function
37
Special Device
38
Error Code
A
Version Up
Information
B
Execution Times
Appendix B: Instruction Execution Time
The instruction execution time in FX3S/FX3G/FX3GC/FX3U/FX3UC PLCs is as shown below:
Measurement condition
• High-speed counters and interrupt instructions (I) are not used together.
• In operands, data registers are used as target devices.
• Indexing (V or Z) is not provided.
Appendix B-1 Basic Instruction Execution Time
•FX3S PLC
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
Contact instructions
LD 0.21 1.34 µs in 2-step instruction
LDI 0.21 1.34 µs in 2-step instruction
LDP 2.32 2.28
LDF 2.59 2.32
AND 0.2 1.16 µs in 2-step instruction
ANI 0.2 1.16 µs in 2-step instruction
ANP 2.36 2.32
ANF 2.4 2.36
OR 0.21 1.28 µs in 2-step instruction
ORI 0.21 1.28 µs in 2-step instruction
ORP 2.36 2.36
ORF 2.4 2.36
Connection instructions
ANB 0.2
ORB 0.2
MPS 0.21
MRD 0.2
MPP 0.17
INV 0.17
MEP 1.52
MEF 1.6