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NT21 Series
Reference manual
Omron NT21 Series Reference Manual
Programmable terminals
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Reference manual
(480 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Section 1 General
Role and Operation of the PT
Operation of a PT at an FA Production Site
Operations of the PT
Functions of the NT31/NT31C and NT631/NT631C
Features
Comparison between NT31, NT31C, NT631, and NT631C
Additional Functions of the V2 Versions
Comparisons with Earlier Models
Principal Functions of NT31/NT31C and NT631/NT631C
Displays
System Configuration
Peripheral Devices that Can be Connected
Connecting to the Host
Communications with the Host
Direct Connection Function
Host Link
NT Link
Functions of the Allocated Bits and Words
Connecting to Other Companies' Pcs
Communication by Using Memory Link
Memory Link
Comparison between Direct Connection and Memory Link
Memory Link Online Transfer Function
Before Operating
Section 2 Pt Functions
PT Functions
SECTION 2 PT Functions
PT Screens
Screen Composition
Screen Numbers
Screen Types
Screen Attributes
Display Colors
Display Elements
Areas for Control/Notification
PT Status Control Area (Host ↔ PT)
PT Status Notify Area (PT to Host)
Window Control Area (Host ↔ PT)
Memory Tables
Numeral Memory Tables
Character String Memory Tables
Bit Memory Tables
Fixed Displays
Circles, Arcs, Sectors, Polylines, Polygons, Rectangles (Fixed Displays)
Text (Fixed Display)
Tiling
Marks
Image and Library Data
Image Data Display
Library Data Display
Lamps
Touch Switches
Numeral Display
Character String Display
Graphs
Bar Graphs
Analogue Meter
Broken Line Graphs
Trend Graphs
Alarm List, Alarm History
Inputting Numeric Values
Numeric Key Type (Numeral Input)
Thumbwheel Type (Thumbwheel)
Inputting Character Strings
Recipe
Function Outline
Operation Outline
Limits
Common Attributes
Display Functions
Input Functions
Output Functions
Relationship with Other Elements
Window Function
What Are Windows
Window Type
Window Screens and Display Elements
Opening/Closing and Moving a Window
Size and Display Position of a Window
Changing the Displaying Order of Windows
Checking the Display Status of a Window
Temporary Input Fields
Focus Window
Special Functions
Display History Record Function
Alarm History Record Function
Resume Function
Screen Saver Function
Buzzer Function
Clock Function
Print Function
Adjusting Contrast and Brightness During PT Operation
Programming Console Function
Device Monitor Function
Compatible Systems
Device Monitor Screens and Functions
Starting and Exiting Device Monitor
Operations Common to the Device Monitor Screens
Using the Registration Monitor Screen
Using the Continuous Monitor Screen
Using the Error Log Screen
Errors Occurring During Device Monitor Operation
Mathematical Function
Executable Calculations
Data Flow in Calculations
Precautions When Using the Mathematical Function
PT Configuration Settings
Section 3
How to Use the PT
Screen Creation Procedure
Buzzer, Backlight, and Display Control
Sounding the Buzzer
Stopping the Buzzer Sound
Controlling the Backlight
Turning off the Screen
Redisplaying the Turned-Off Screen
Screen Display and Notification
Switching the Screen
Finding the Screen Number of the Presently Displayed Screen
Display and Control of Windows
Opening/Closing/Moving a Window
Checking the Display Status of a Window
Disabling/Enabling the Opening of a Window
Changing Numeral and Character String Display
Changing Numeric Values and Character Strings
Display of Graphs
Changing the Trend Graph Display
Input of Numeric Values and Character Strings
Inputting a Numeric Value
Inputting Character Strings
Using the Alarm List/History Function
How to Use the Alarm List/History
Using the Display History Function
How to Use the Display History
Display and Setting of Calendar Clock
Setting the Date and Time
Displaying the Date and Time
Printing Data and Checking the Printer Status
Printing the Screen
Enabling/Disabling PT Operations
Enabling and Disabling the Operation of the PT
Section 4 Using Memory Link
Using Memory Link
Operation of the Memory Link
PT Memory
Memory Link Commands
Outline of Communications
Communication Protocol
Notes on Using Commands
Commands/Responses
PT Memory Read Command (Sent from Host to PT)
Numeral Memory Table Read Command (Sent from Host to PT)
Character String Memory Table Read Command (Sent from Host to PT)
Bit Memory Table Read Command (Sent from Host to PT)
Screen Data Comment Read Command (Sent from Host to PT)
System Status Read Command (Sent from Host to PT)
PT Memory Write Command (Sent from Host to PT)
Numeral Memory Table Write Command (Sent from Host to PT)
Character String Memory Table Write Command (Sent from Host to PT)
Bit Memory Table Write Command (Sent from Host to PT)
PT Memory Batch Write (FILL) Command (Sent from Host to PT)
Numeral Memory Table Clear Command (Sent from Host to PT)
Character String Memory Table Clear Command (Sent from Host to PT)
Bit Memory Table Clear Command (Sent from Host to PT)
Touch Switch Input Notify Command (Sent from PT to Host)
Numerical Input Notify Command (Sent from PT to Host)
Character String Input Notify Command (Sent from PT to Host)
Direct Area Changing Notify Command (Sent from PT to Host)
PT Memory Changing Notify Command (Sent from PT to Host)
PT Operation Mode Switching Command (Sent from Host to PT)
Re-Send Request Command (Sent from Host to PT)
Error Response (Sent from PT to Host)
Memory Link Online Transfer Function
Online Transfer Processes
Required Conditions
Example Applications
Function Applications
Examples of Actual Applications of Direct Access
Examples of Actual Applications of Memory Link
Section 6 Troubleshooting and Maintenance
Troubleshooting and Maintenance
Troubleshooting
Responding to Displayed Error Messages
Errors Occurring at Start of Operation and Their Remedies
Errors Occurring During Operation and Their Remedies
Errors Occurring on Screen Data Initialization and Transmission
Errors in the System Installer Mode and Their Remedies
Communication Errors and Their Remedies
A Specifications
B Compatibility with Screen Data of Other PT Models
C NT30/620 Compatible Mode
D PC Memory Maps
E Keycode Tables
Index
Revision History
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Cat. No. V064-E1-02
NT21, NT31, and NT631 Series
Programmable Terminals
REFERENCE MANUAL
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Chapters
Table of Contents
6
Section 1 General
10
Section 2 Pt Functions
42
Section 3
286
Section 4 Using Memory Link
368
Section 6 Troubleshooting and Maintenance
418
Table of Contents
Troubleshooting
Troubleshooting and Maintenance
418
Troubleshooting
419
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