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List of Operation Execution Times
Appendix 3
233
List of Operation Execution Times for Function Blocks
Block
model
Block name
Operation
execution time
Remarks
000
System Common
1.05
The load rate increases by 0.40% at an operation
cycle of 100 ms.
001
2-position ON/FF
0.74
002
3-position ON/OFF
0.77
011
Basic PID
1.61
012
Advanced PID
1.84
013
Blended PID
1.79
The operation execution time of this function block
increased by 0.16 ms when the Loop Controller Unit
was upgraded from version 2.00 to 2.50.
014
Batch Flowrate Capture
1.05
The operation execution time of this function block
increased by 0.13 ms when the Loop Controller Unit
was upgraded from version 1.50 to 2.00.
016
Fuzzy Logic
11.10
031
Indication and Setting
0.71
The operation execution time of this function block
increased by 0.12 ms when the Loop Controller Unit
was upgraded from version 1.50 to 2.00.
032
Indication and Operation
0.86
The operation execution time of this function block
increased by 0.22 ms when the Loop Controller Unit
was upgraded from version 1.50 to 2.00.
033
Ratio Setting
0.80
The operation execution time of this function block
increased by 0.19 ms when the Loop Controller Unit
was upgraded from version 1.50 to 2.00.
034
Indicator
0.58
The operation execution time of this function block
increased by 0.15 ms when the Loop Controller Unit
was upgraded from version 1.50 to 2.00.
045
ES100X Controller Terminal
2.00
110
4-point Warning Indicator
0.58
111
High/Low Alarm
0.39
112
Deviation Alarm
0.49
113
Rate-of-change Operation and
Alarm
0.49
115
High/Low Limit
0.40
116
Deviation Limit
0.50
118
Analog Signal Hold
0.42
121
Addition or Subtraction
0.71
122
Multiplication
0.55
123
Division
0.53
126
Arithmetic Operation
3.19 + function
processing time
The function processing time is calculated by
multiplying the number of functions times the
execution times given in the following table for each
function.
Function
Ttime (ms)
ABS(x)
0.01
ACOS(x)
0.33
ASIN(x)
0.32
ATAN(x)
0.24
CO S(x)
0.17
SIN(x)
0.16
TAN(x)
0.21
EXP(x)
0.27
LN(x)
0.23
LO G(x)
0.25
P10(x)
0.52
SQRT (x)
0.04
127
Range Conversion
2.27
131
Square Root
0.46
132
Absolute Value
0.40
133
Non-linear Gain (Dead Band)
0.45
134
Low-end Cutout
0.46
135
Segment Linearizer
0.53