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How to Use Function Blocks for Specific Operations
Section
1-4
49
To perform this specific operation
Perform the following
See page:
High-density
monitor
High-density monitoring of analog
signals
Monitor analog signals by the Field Terminal
blocks (Block Models 501 to 587) and Send
to Computer blocks (Block Models 401 to
404)
3-4 Exchanging Data
with CX-Process Monitor
and with Other Nodes
Appendix-2 How to Use
the Node Terminal Block
Monitoring/
Setting
External
Controllers
Monitoring and setting a stand-
alone external controller.
Connect an ES100X Controller to the RS-
232C port on the Loop Control Unit and use
the ES100X Controller Terminal (Block
Model 045).
Function Block
Reference Manual
Batch Data
Collection
Data collection by a certain timing
within sequence processing in a
batch processing plant
Use the Batch Data Collector block (Block
Model 174)
Function Block
Reference Manual
ON/OFF control
Use the 2-position ON/OFF block (Block
Model 001).
Heating/cooling ON/OFF control
Use the 3-position ON/OFF block (Block
Model 002).
Function Block
Reference Manual
Time-proportional control
Use the Analog/Pulse Width Converter
block (Block Model 192).
5-1 Basic Examples of
PID Control (page 152)
and Function Block
Reference Manual
Application of input filter on PV
Use the First-order Lag block (Block Model
141).
Application of bias on PV
Application of ratio on Set Point
and PV
Use the Ratio Setting block (Block Model
033) or the Addition/Subtraction block
(mode 121).
Entry of differential pressure
transmitter to calculate flowrate
Use the Square Root block (Block Model
131) (with low-end cutout function).
Function Block
Reference Manual
Entry of pulse output flowmeter
for accumulation of flowrate
Use the Pulse Input Unit, and enter to the
Accumulator for accumulated value input
block (Block Model 184) for continuous
accumulation.
5-1 Basic Examples of
PID Control (page 152)
and Function Block
Reference Manual
Temperature and pressure
correction
Use the Temperature and Pressure
Correction block (Block Model 136).
Function Block
Reference Manual
Setting of the PID constant
values for multiple words
Use the Constant Item Setting block (Block
Model 171).
5-1 Basic Examples of
PID Control (page 152)
and Function Block
Reference Manual
Switching of multiple Set Point
values
Use the Constant Selector block (Block
Model 165) or the Constant Item Setting
block (Block Model 171).
5-1 Basic Examples of
PID Control (page 152)
and Function Block
Reference Manual
Switching of multiple PID sets
Use the Constant Item Setting block (Block
Model 171).
5-1 Basic Examples of
PID Control (page 152)
and Function Block
Reference Manual
Ramp control of Set Point values
(program control)
Use the Ramp Program block (Block Model
155) or the Segment Program block (Block
Model 156).
5-1 Basic Examples of
PID Control (page 152)
and Function Block
Reference Manual
Cascade control
Use a serial connection for the Basic PID
block (Block Model 011) or Advanced PID
block (Block Model 012).
5-2 Examples of Applied
Control Types (page
161) and Function Block
Reference Manual
Dead time compensation control
Use the Dead Time Compensation block
(Block Model 149) or the Advanced PID
block (Block Model 012).
5-2 Examples of Applied
Control Types (page
161) and Function Block
Reference Manual
Feedforward control
Analog
control
Non-interfering control
Use the Advanced PID block (Block Model
012) or the Lead/Delay block (Block Model
147).
5-2 Examples of Applied
Control Types (page
161) and Function Block
Reference Manual