Appendices
A-18
NJ-series CPU Unit Software User’s Manual (W501)
Execution Time for Standard Ladder Diagram Instructions
• Instruction Configuration for Standard Ladder Diagram Instructions
The instruction execution ratio for this configuration is 20%.
Execution Times for Ladder Diagram Arithmetic and Trigonometric
Instructions for LREAL Data
• Configuration of Arithmetic Instructions for LREAL Data
Types of instructions Instructions
Percent of
instruc-
tions [%]
Percent of exe-
cution time in
instruction
group [%]
Ladder diagram instructions LD, AND, OUT, SET, and RESET 81.0% 40.2%
Comparison instructions EQ and LT 4.1% 8.3%
Timer and counter instructions Timer, TON/TOF, and CTU/CTD 1.6% 7.3%
Math instructions +, -, *, /, ADD, SUB, MUL, and DIV 2.4% 6.5%
BCD conversion instructions and
data conversion instructions
INT_TO_DINT and
WORD_BCD_TO_UINT
0.2% 1.2%
Bit string processing instructions AND and OR 6.2% 13.0%
Data movement instructions MOVE 4.6% 23.5%
Tot al 100.0% 100.0%
0 100 200 300 400 500 600 700 800 900 1000
0
20
40
60
80
100
120
140
160
180
200
NJ501-
NJ501-
NJ301-
NJ301-
Trigonometric instructions for LREAL data
Arithmetic instructions for LREAL data
Execution time (
μ
s)
Total number of instructions
To Next Page
Loading...
