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FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
B Instruction Execution Time
B-1 Basic Instruction Execution Time
31
FNC275-FNC279
Data
Transfer 3
32
FNC280-FNC289
High Speed
Processing 2
33
FNC290-FNC299
Extension File
Register
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 FX3G, FX3U and 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
•FX3U/FX3UC PLCs
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 0.065
0.129 µs in 2-step instruction
*1
0.193 µs in 3-step instruction
*3
LDI 0.065
0.129 µs in 2-step instruction
*1
0.193 µs in 3-step instruction
*3
LDP 7.8 ⎯
LDF 7.8 ⎯
AND 0.065
0.129 µs in 2-step instruction
*1
0.193 µs in 3-step instruction
*3
ANI 0.065
0.129 µs in 2-step instruction
*1
0.193 µs in 3-step instruction
*3
ANP 7.5 ⎯
ANF 7.5 ⎯
OR 0.065
0.129 µs in 2-step instruction
*1
0.193 µs in 3-step instruction
*3
ORI 0.065
0.129 µs in 2-step instruction
*1
0.193 µs in 3-step instruction
*3
ORP 7.4 ⎯
ORF 7.4 ⎯
Connection instructions
ANB 0.065
ORB 0.065
MPS 0.065
MRD 0.065
MPP 0.065
INV 0.065
MEP 3.4
MEF 3.4
Output instructions
OUT Y,M 0.065
0.129 µs in 2-step instruction
*2
0.193 µs in 3-step instruction
*3
OUT S 4.8 4.8
OUT T K 0.71 0.71
T192 to T199, T246 to T511
11.6 µs in execution in ON status
8.2 µs in execution in OFF status