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Outline
Section
1-1
20
1-1-8
List of Function Blocks
The following function blocks are combined and used in Loop Control Units.
Category
Type
Block
model
Block name
Function
Allocatable
block
address
System
Common
Block
System
Common
Block
000 System
Common
Makes settings common to all function blocks and
outputs signals for the system.
000
001 2-position
ON/OFF
2-position type ON/OFF controller
002 3-position
ON/OFF
3-position type ON/OFF controller for heating/cooling
ON/OFF control
011 Basic PID
Performs basic PID control.
012 Advanced PID
Performs PID with two degrees of freedom control for
enabling deviation/MV compensation, MV tracking,
etc.
013 Blended PID
Performs PIF control on the cumulative value
(cumulative deviation) between the accumulated value
PV and accumulated value Remote Set Point.
014 Batch Flowrate
Capture
Functions to open the valve at a fixed opening until a
fixed batch accumulated value is reached.
016 Fuzzy Logic
Inputs up to eight analog inputs and then outputs up
to two analog outputs based on fuzzy inferences.
031 Indication and
Setting
Manual setter with PV indication and and SP setting
functions
032 Indication and
Operation
Manual setter with PV indication and MV setting
functions
033 Ratio Setting
Ratio and bias setter with PV indication and ratio
setting function
Control
Block
Controller
034 Indicator
PV indicator with PV alarm
001 to 032
External
Controller
Block
External
Controller
Block
045 ES100X
Controller
Terminal
Performs monitoring and setting for an ES100X
Controller connected directly to the RS-232C port on
the Loop Control Unit.
065 to 096
110 4-Point Warning
Indicator
Provides the alarm contact outputs for the high/high,
high, low, and low/low limits of single analog signals.
This function block provides the same function as the
Indicator block (model 034).
111 High/Low Alarm Provides the alarm contact outputs for the high and
low limits of single analog signals.
112 Deviation Alarm Provides the alarm contact outputs for the deviation of
two analog signals.
113 Rate-of-change
Operation and
Alarm
Provides the alarm contact outputs for the high and
low limits of rate-of-change operation when the analog
signal rate-of-change is output.
115 High/Low Limit
Limits the high and low limits of single analog signals.
116 Deviation Limit
Calculates the deviation between two analog signals,
and limits the deviation within that range.
Alarm/Signal
restrictions/
Hold
118 Analog Signal
Hold
Holds the maximum, minimum or instantaneous value
of single analog signals.
121 Addition or
Subtraction
Performs addition/subtraction with gain and bias on up
to 4 analog signals.
122 Multiplication
Performs multiplication with gain and bias on up to 2
analog signals.
123 Division
Performs division with gain and bias on up to 2 analog
signals.
126 Arithmetic
Operation
Performs various math operation (trigonometric.
logorithmic, etc.) on floating-point decimal values
converted (to industrial units) from up to 8 analog
inputs.
Operation
Block
Arithmetic
127 Range
Conversion
Converts analog ranges for up to eight analog signals
based only on values input for 0% and 100% inputs
and 0% and 100% outputs.
100 to 349
(Note: 349
is an
internal
switch in
CX-
Process
Tool (One
Block
Model 209
is already
allocated
as the
default.))