Omron CX-PROCESS TOOL - INTRODUCTION GUIDE Reference manual
INTRODUCTION GUIDE
CX-Process Tool
Cat. No. R143-E1-01
The CX-Process Tool Operation Manual is included as a PDF file
on the CX-One CD-ROM under OMRON/CX-One/CX-Process
Tool. Be sure to read the Precautions and other information at the
beginning of the manual before using the CX-Process Tool.
This CX-Process Tool Introduction Guide describes basic
operating procedures for the CX-Process Tool. For application
precautions and detailed descriptions, refer to the Help or the PDF
Operation Manual.
Note: Acrobat Reader 4.0 or higher is required to display the PDF file.
sa PDF file
CX-Process
mation at the
Tool.
ribes basic
application
por the PDF
e.
The CX-Process Tool
A Loop Controller is a Controller that has the functionality of multiple high-
performance Controllers. Combining function blocks that form functional
components enables programming control without restrictions for analog values,
such as temperatures, pressures, and flowrates.
Programming with the CX-Process Tool enables graphical engineering to paste
function blocks and connect lines with the mouse. The system also has the
following features compared with single-loop controllers and dedicated temperature
controllers.
1. The system is based on PLCs, so a wide variety of PLC Units, such as Process
I/O Units, Analog I/O Units, and Communications Units, can be used.
2. Data can be exchanged with the ladder-programmed CPU Unit at a high speed
without any programming, so loop control programming can be coordinated with
sequence control.
3. Changes, such as increasing or decreasing the number of loops and changing
the control methods, can also be flexibly performed by combining function
blocks.
A simple example of programming for one-loop temperature control will be
presented as a sample in this Introduction Guide. Function blocks can also be
combined for multi-loop control, cascade control, heating/cooling control, and
program control.
CONTENTS
Overview
SECTION 1
Example System
System Configuration
Starting the CX-Process Tool 1-2
1-2
1-4
1-5
1-8
1-9
1-12
1-14
1-15
1-16
1-19
2-2
2-2
2-6
1-1
2-1
Creating Function Block Data
Creating Simple Function Block Data
for the Loop Controller
SECTION 2
Appendix
Making the NS-series PT Screen
for the Loop Controller
Useful Functions
1
Setting the CSV Tags in Advance
1
Automatically Creating the NS-series PT Screen for the Loop Controller
2
Displaying the NS-series PT Screen for the Loop Controller
3
Making a New Project
2
Registering the Loop Controller
3
Creating Function Block Data
4
Connecting Function Blocks
5
Set ITEMs for Function Blocks
6
Communications Settings between Computer and PLC
7
Transferring Function Block Data to the Loop Controller
8
Starting Operation
9
PID Tuning
10
Uploading and Saving Function Block Data
11
Overview
Example
System
PID
SCR
System Configuration
●This system controls one loop.
- A type K thermocouple is used for the temperature sensor input.
- The temperature range is 0.0 to 500.0°C.
-
The output is 4 to 20 mA and heater control is performed using a Thyristor Unit (Power Controller).
- Continuous proportional PID is set.
Note: The default operation cycle (1 s) is used.
●
The screen for the Loop Controller is displayed by connecting a NS-series PT (Touch Panel).
Thyristor Unit
(Power Controller)
G3PX
Screen for Loop Controller
NS-series PT
(Touch Panel)
NS12
CX-Process Tool
(Support Software)
Cable (2 m) for
Peripheral Bus (Toolbus)
CS1W-CN226
RS-232C Cable
XW2Z-200T (2 m)
CJ-series Loop-control
CPU Unit
CJ1G-CPU45P
Analog Output Unit
CJ1W-DA041
Temperature sensor
Type K thermocouple 4 to 20 mA
Input 1 Output 1
Note: The Loop
Controller it-
self does not
have analog
I/O. Therefore,
PLC CPU Bus
Units must be
used.
Ty
the
The
Inpu
CJ1
This section provides an explanation of basic CX-Process Tool operation
using the following simple system as an example.
Isolated-type Ther-
mocouple Input Unit
CJ1W-PTS51
Refer to Creating Function
Block Data on the
following page.
Function Block Data
Analog Output Unit
CJ1W-DA041
Loop Controller
(in CJ-series CJ1G-CPU45P Loop-control CPU Unit)
t-
ot
g
ore,
Bus
be
To simplify descriptions, operations for startup settings at the PLC
(such as creating I/O tables (see note) and setting DM Area words
allocated to Analog I/O Units) is not included in the following
description of operations for the CX-Process Tool. Be sure to
separately make the settings using the CX-Programmer.
Note: With CJ-series Loop-control CPU Units, I/O tables can be automatically generated
based on the mounted Units when the power supply is turned ON without
performing the operation to create I/O tables. (With CS-series CPU Units, an
operation must be performed to create the I/O tables.)
Type K
thermocouple
4 to 20 mA
Thermocouple
Input Unit
CJ1W-PTS51
Creating Function Block Data
Field Terminal Block for
Analog Input (Isolated
Ai 4-point Terminal
(PTS51)) (Block Model
566)
Inputs the analog signal
from the CJ1W-PTS51.
Control Block for PID
Control (Basic PID)
(Block Model 011)
Performs PID
calculations.
Field Terminal Block for
Analog Output (Ao 4-
point Terminal (DA041)
(Block Model 587)
Outputs the analog
signal from the CJ1W-
DA041.
1-1
This section presents the flow of operations for
starting the CX-Process Tool (Support
Software), inputting the thermocouple, creating
function block data for one PID loop with an
output of 4 to 20 mA, downloading the data to
the Loop Controller, tuning PID control, and
saving files.
Creating Simple
Function Block Data
for the Loop
Controller
1
2
1-2
1. Select CX-Process Tool.
Starting the CX-Process Tool/Making a New Project
Starting the CX-Process Tool
1
Making a New Project
First, make a project.
2-1. Make a new project.
Starting the CX-Process Tool
Making a New Project
2
1
2
Creating Simple Function Block Data for
the Loop Controller
From the Start Menu, select All
Programs -OMRON -CX-One -CX-
Process Tool -CX-Process Tool to
start the CX-Process Tool.
The window at the right will open when
the CX-Process Tool starts.
Click the Make a New Function Block
File Button to make a new project.
Select
data, a
The win
the OK
project
The fold
was ent
will be c
(called t
This manual suits for next models
1
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