Rockwell Automation 2706-NP3 User Manual
Allen-Bradley
Dataliner DL20
Series Offline
User
Programming
Software
(Cat. No. 2706–NP3)
Manual
Important User Information
Because of the variety of uses for the products described in this
publication, those responsible for the application and use of this
control equipment must satisfy themselves that all necessary steps
have been taken to assure that each application and use meets all
performance and safety requirements, including any applicable laws,
regulations, codes and standards.
The illustrations, charts, sample programs and layout examples
shown in this guide are intended solely for purposes of example.
Since there are many variables and requirements associated with any
particular installation, Allen-Bradley does not assume responsibility
or liability (to include intellectual property liability) for actual use
based upon the examples shown in this publication.
Allen-Bradley publication SGI-1.1, Safety Guidelines for the
Application, Installation, and Maintenance of Solid-State Control
(available from your local Allen-Bradley office), describes some
important differences between solid-state equipment and
electromechanical devices that should be taken into consideration
when applying products such as those described in this publication.
Reproduction of the contents of this copyrighted publication, in
whole or in part, without written permission of Allen-Bradley
Company, Inc., is prohibited.
Throughout this manual we use notes to make you aware of safety
considerations:
ATTENTION: Identifies information about practices
or circumstances that can lead to personal injury or
!
Attention statements help you to:
death, property damage or economic loss.
• identify a hazard
• avoid the hazard
• recognize the consequences
Important: Identifies information that is critical for successful
application and understanding of the product.
Table of Contents
DL20 Offline Programming Software
User Manual
Using this Manual
What You Need
Installing the Software
Chapter 1
Chapter Objectives 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What You Need to Know 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents of Manual 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Conventions 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Related Publications 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 2
Chapter Objectives 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Personal Computer Requirements 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DL20 Programming Software 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DL20 Dataliner Message Display 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Recorder 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Download Cables 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 3
Chapter Objectives 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking Available RAM 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Making a Copy of the Software 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the DL20 Programming Software 3–1. . . . . . . . . . . . . . . . . . . . .
Computer with 1 Hard and 1 Floppy or Micro Disk Drive 3–2. . . . . . . .
Computer with 2 Floppy or Micro Disk Drives 3–3. . . . . . . . . . . . . . . . .
Computer with 1 Floppy or Micro Disk Drive 3–4. . . . . . . . . . . . . . . . . .
Initial Startup 3–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exiting the DL20 Software 3–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Function Keys 3–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DL20 Files 3–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuration Functions
Message Operations
Chapter 4
Chapter Objectives 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What are the Configuration Functions 4–1. . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring the Computer Serial Port 4–2. . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring the DL20 Serial Port 4–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring the DL20 Parallel Port 4–5. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring Special Functions of DL20 4–7. . . . . . . . . . . . . . . . . . . . . . . .
Chapter 5
Chapter Objectives 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How Messages are Stored 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Creating New Messages 5–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Entering Message Text 5–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Editing Messages 5–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Deleting Messages 5–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Copying Messages 5–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
i
Table of Contents
DL20 Offline Programming Software
User Manual
Message File Conversions
Transferring S Record Files
Downloading Message Files
Chapter 6
Chapter Objectives 6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview of Conversion Functions 6–1. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Converting Message Files to S Record File 6–2. . . . . . . . . . . . . . . . . . . . . .
Converting S Record File to Message Files 6–4. . . . . . . . . . . . . . . . . . . . . .
Viewing DL20 Files 6–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 7
Chapter Objectives 7–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessing File Read/Write Functions 7–1. . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting Equipment 7–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting Personal Computer to DL20 7–2. . . . . . . . . . . . . . . . . . . . . .
Connecting Personal Computer to Data Recorder 7–3. . . . . . . . . . . . . . .
Downloading S Record File to DL20 7–4. . . . . . . . . . . . . . . . . . . . . . . . . .
Uploading DL20 Memory to Personal Computer 7–6. . . . . . . . . . . . . . . . .
Downloading S Record File to Data Recorder 7–8. . . . . . . . . . . . . . . . . . . .
Uploading File from Data Recorder 7–10. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Viewing DL20 Files 7–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Helpful Hints 7–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 8
Chapter Objectives 8–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting to DL20 8–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Downloading Message Files 8–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Verifying Message Download 8–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Helpful Hints 8–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using Terminal Mode
Printing Messages
ii
Chapter 9
Chapter Objectives 9–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting to DL20 9–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Entering Terminal Mode 9–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 10
Chapter Objectives 10–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting Printer 10–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Printing Messages 10–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table of Contents
A.1A.2A.3A.4A.5A.
.A
DL20 Offline Programming Software
User Manual
Connection Diagrams
6
5
Appendix A
Figures
Connecting DL20 to an XT (25-Pin) Compatible Computer A–1. . . . . . . . .
Connecting DL20 to an AT (9-Pin) Compatible Computer A–1. . . . . . . . . .
25-to-9 Pin Adapter Cable (Null Modem) A–1. . . . . . . . . . . . . . . . . . . . . . .
Connecting 1770-SA or -SB Data Recorder to IBM XT Serial Port A–2. . .
Connecting 1770-SA or -SB Data Recorder to IBM AT Serial Port A–2. . .
Connecting 1770-SA or -SB Data Recorder to 6120 Serial Port A–2. . . . . .
Tables
Message Attributes 5–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iii
Chapter
hat You Need to Kno
Chapter Objectives
W
w
A–B
1
Using this Manual
This chapter gives an overview of the manual, including:
• What you need to know
• Contents of manual
• Manual conventions
• Related publications
No special knowledge is required to read this manual or use the DL20
Offline Programming Software (Catalog No. 2706-NP3). However, you
should be familiar with DL20 operations and how it will be integrated
into your control system.
Contents of Manual
This manual describes how to use the DL20 Offline Programming
Software to configure and create message files for the DL20 Dataliner
Message Displays. The manual is organized as follows:
Chapter Title Purpose
1 Using this Manual Provides an overview of the manual.
Lists equipment needed to use the software and
2 What You Need
3 Installing the Software
4 Configuration Functions
5 Message Operations
6 Message File Conversions
7 Transferring S Record Files
8
9 Using Terminal Mode
10 Printing Messages Describes how to print DL20 messages files.
Downloading
Messages Files
to transfer DL20 files between your computer and
the DL20 or data recorder.
Tells how to install the DL20 Offline Programming
Software on your computer.
Shows how to configure the serial port of your
computer, the serial and parallel port of the DL20,
and special functions of the DL20.
Shows how to create, edit, copy and delete DL20
messages.
Tells how to convert DL20 message files to and
from S Record files for downloading and storage.
Tells how to transfer S Record Files between your
computer and a DL20 or data recorder.
Tells how to download DL20 message files from
your computer to a DL20.
Explains how your computer can communi- cate
with a DL20 in terminal/keyboard mode.
1–1
Chapter 1
elate
ations
Using This Manual
Conventions
R
d Public
The following conventions are used throughout this manual:
• Keys you press on your computer keyboard are enclosed in brackets [ ].
For example: [Esc] refers to the Escape key.
• [Enter] refers to the carriage return key on your computer keyboard.
This key may appear on your keyboard as [Return] or [←].
• References to DL20 menu options and screens are italicized.
• Text you type at your keyboard appears in bold letters.
For example: Type 1 and [Enter].
Other publications you may want to refer to include:
• Publication No. 2706-801
User Manual for Series A - F DL20 Dataliner Message Displays
• Publication No. 2706-814
User Manual for Series G DL20 Dataliner Message Displays
• Publication No. 1770-6.5.4
User Manual for Data Cartridge Recorder
1–2
Chapter
rogramming Software
Chapter Objectives
Personal Computer Requirements
Personal Computer
A–B
2
What You Need
This chapter describes the items needed to run the DL20 Offline
Programming Software including:
• Personal Computer Requirements
• DL20 Programming Software
• DL20 Dataliner Message Display
• Data Recorder
• Download Cable
The DL20 Programming Software runs on the following computers:
• IBM PC/XT/AT or 100% compatible
Allen-Bradley T45 and T50 Industrial Computers
Allen-Bradley 6120, 6121 and 6122 Industrial Computers
• One or two floppy drives (720K minimum)
• Hard drive is recommended and required on computers with only 1
floppy drive
• 448K of RAM
• DOS 3.0 or later
• Serial port on Com1 or Com 2
• Printer port to print messages
• Monochrome or color monitor
DL20 P
DL20 Software
The DL20 Offline Programming Software is an optional package used to
create messages for the DL20 Dataliner Message Displays. You need version
4.2 or higher. The software is provided on 5 1/
and 3 1/
4
inch diskettes.
2
2–1
Chapter 2
ription
What Y ou Need
DL20 Dataliner Message Display
Data Recorder
Download Cables
The DL20 Offline Programming Software creates configuration and message
files for the following DL20 Dataliner Message Displays:
Desc
One Line Display 2706-B13J8 2706-B13J16 2706-B13J31
Two Line Display 2706-B23J8 2706-B23J16 2706-B23J31
Four Line Display – 2706-B43J16 2706-B43J31
8K Memory 16K Memory 31K Memory
Catalog No. Catalog No. Catalog No.
DL20 messages can be downloaded from your computer to a DL20 Dataliner
or to one of the following Allen-Bradley Data Recorders:
• Catalog Number 1770-SA Data Recorder
• Catalog Number 1770-SB Data Recorder
To transfer messages between your computer and a DL20 or data recorder, or
to communicate with a DL20 using terminal mode you need to use the
appropriate cable. The table below lists the available cables.
Catalog No. Description
2706-NC2 Connects the DL20 to an Allen-Bradley 6120, 1784-T45, IBM
PC/XT or compatible computer with a 25-pin male connector on
the serial port.
Cable has spade lug connections for the RS-232 port of the DL20
and a 25-pin female D Connector for the computer’s serial port.
2706-NC2 plus a
9-to-25 pin AT Adapter Cable➀
2706-NC1 Connects the DL20 to an IBM compatible computer with a 25-pin
1784-CYS Connects the 1770-SA or -SB Data Recorder to the serial port of
1784-CAS Connects the 1770-SA or -SB Data Recorder to an IBM AT 9-pin
1784-CXS Connects the 1770-SA or -SB Data Recorder to the serial port of
➀ The 9-to-25 pin Adapter Cable is available at computer stores (must be Null Modem Cable).
Connects the DL20 to an Allen-Bradley 6121, 1784-T50, IBM
PC/AT or compatible computer. The serial ports of these computers use a 9-pin male connector.
Cable has spade lug connections for the RS-232 port of the DL20
and a 25-pin female D Connector. The AT Adapter Cable connects the 2706-NC2 cable to the 9-pin serial port of the computer.
female connector on the serial port. Typically, parallel ports and
display ports have female connectors.
Cable has spade lug connections for the RS-232 port of the DL20
and a 25-pin male D Connector for the computer’s serial port
(with pins 18 & 25 jumpered together).
an Allen-Bradley 6120 computer.
serial port.
an IBM XT or Allen-Bradley 1784-T50 terminal.
Appendix A provides connection diagrams for the above cables if you want
to make your own cables.
2–2
Chapter
Installing the
Chapter Objectives
Checking Available RAM
Making a Copy of the Software
A–B
3
Installing the Software
This chapter shows how to install the DL20 Offine Programming Software
on your computer.
You should have at least 448K of available RAM to run the DL20 Offline
Programming Software on your computer. Check the available RAM on
your computer using the DOS CHKDSK command.
As a safety precaution, it is recommended that you make at least one copy
of the DL20 Offline Programming Software and save the original disk as
a master.
DL20
Programming Software
1
The 5
with a write protect tab. You cannot write to the disk unless the write protect
tab is removed. However, you can make copies without removing the tab.
This section shows how to install the DL20 Programming Software on:
• Computer with 1 Hard drive and 1 Floppy or Micro disk drive
• Computer with 2 Floppy or Micro disk drives
• Computer with 1 Floppy or Micro disk drive
Refer to the appropriate section.
The software is provided on 5
appropriate for your computer.
/
and 3 1/
4
inch installation disks are shipped from Allen-Bradley
2
1
/
and 3 1/
4
inch disks. Use the size
2
3–1
Chapter 3
Installing the
Installing the Software
DL20
Programming Software
Computer with 1 Hard and 1 Floppy or Micro Disk Drive
This section shows how to install the DL20 Offline Programming Software
on a personal computer with 1 hard drive and 1 floppy or micro disk drive.
The installation procedure creates a DL20 subdirectory for storing the
programming software (DL20.EXE) and all other DL20 files created with
the software.
The prompts and responses you see below will be identical or similar to what
you see on your computer display.
1. Turn on your computer. Your computer will display the currently active
drive: A, B or C. For example:
C:>
2. Create a DL20 subdirectory on your hard drive using the MD command.
C:> MD \DL20 [Enter]
C:>
3. Move to the new DL20 subdirectory using the CD command.
C:> CD \DL20 [Enter]
C:\DL20>
4. Insert the appropriate installation disk for the DL20 Offline Programming
Software into the floppy drive.
5. Type the following command line to copy the DL20 Programming
Software into the DL20 subdirectory.
C:\DL20> COPY A:DL20.EXE [Enter]
1 file(s) copied
The DL20 Programming Software is now installed on your hard drive.
6. Remove the installation disk from the floppy drive and store it in a
safe place.
See page 3–5 for details on initial startup.
3–2
Chapter 3
Installing the Software
Computer with 2 Floppy or Micro Disk Drives
This section shows how to install the DL20 Offline Programming Software
on a personal computer with 2 (720K) floppy or micro disk drives.
The installation procedure creates a System/DL20 disk which lets you run
the software and store messages in a DL20 subdirectory. You can create a
separate formatted disk for storing DL20 files in an S Record file format.
The prompts and responses you see below will be identical or similar to what
you see on your computer display.
ATTENTION: Before beginning the procedure, write protect
your DOS disk using a write protect tab. See your computer’s
!
DOS manual.
The steps below create a single System/DL20 disk that you can use to boot
your computer and run the DL20 software.
1. Insert your computer’s DOS write protected disk into drive A and turn on
the computer. Enter date and time if applicable.
2. Insert a blank disk into drive B.
3. Format and create a system disk using the following command:
A:> Format B:/S [Enter]
When the disk is formatted, this prompt appears. Type N and [Enter].
B:> Format Another (Y/N)? N [Enter]
4. Remove the DOS disk from drive A and store in a safe place.
5. Insert the DL20 installation disk into drive A and type:
A:> COPY DL20.EXE B: [Enter]
1 file(s) copied
The DL20 Programming Software is now installed on the disk in drive B.
6. Remove the DL20 installation disk from drive A and store in a
safe place.
7. Move the System/DL20 disk from drive B to drive A.
8. Create a DL20 subdirectory on the System/DL20 disk by entering:
A:> MD \DL20 [Enter]
Operating in a subdirectory allows you to create approximately 100
DL20 messages.
3–3
Chapter 3
Installing the
Installing the Software
DL20
Programming Software
Computer with 2 Floppy or Micro Disk Drives (continued)
9. Create an AUTOEXEC.BAT file on the System/DL20 disk by typing:
A:> COPY CON AUTOEXEC.BAT [Enter]
PROMPT P$G$ [Enter]
CD\DL20 [Enter]
A:\DL20 [Enter]
[Ctrl][Z] [Enter]
10. When the file is copied, turn your computer off and on with the
System/DL20 disk in drive A. The DL20 Offline Programming Software
will automatically begin.
See page 3–5 for details on initial startup.
Computer with 1 Floppy or Micro Disk Drive
This section shows how to run the DL20 Offline Programming Software on a
computer with only 1 floppy or micro disk drive. We recommend that you
create a separate disk for storing separate S Record files for each DL20
Dataliner you program.
Important: Storing files on the DL20 Offline Programmer disk restricts
the number of files you can create.
The prompts and responses you see below will be identical or similar to what
you see on your computer display.
ATTENTION: Before beginning the procedure, write protect
your DOS disk using a write protect tab. See your computer’s
!
DOS manual.
1. Insert your computer’s DOS write protected disk into the disk drive and
turn on the computer. You should see the A:> prompt.
2. Remove the DOS disk from the drive and store in a safe place.
3. Insert the DL20 Offline Programming Software disk in the drive.
4. Start the DL20 software by entering:
A:> DL20 [Enter]
5. Before you start using the software, remove the DL20 disk from the drive
and insert a formatted storage disk. Any DL20 file created while running
the software will be stored on this storage disk.
See page 3–5 for details on initial startup.
3–4
Chapter 3
Installing the Software
Initial Startup
The steps below show how to start the The DL20 Offline Programmer on a
computer with a hard drive. Other systems may require different steps as
described in the installation section.
1. Move to the DL20 subdirectory if necessary.
C:\> CD DL20 [Enter]
C:\DL20>
2. Type DL20 and press [Enter] to start the DL20 Offline Programmer.
C:\DL20> DL20 [Enter]
Each time you enter the programmer, this screen appears.
3. Select the type of monitor you are using by entering 1 or 2 and [Enter].
The Main Menu appears.
All menu functions are described in the remaining chapters of this manual.
3–5
Chapter 3
Installing the Software
Exiting the DL20 Software
Function Keys
To exit the DL20 Software and return to DOS, select option 12 - Exit to Dos
from the Main Menu and press [Enter].
The DL20 Offline Programmer uses the same keys for most screen
operations. These keys and their functions are listed below. Keys that are
specific to an operation are noted when the operation is described.
Use This Key: To:
[Enter] or [Return]
or [ ]
←
[↑][↓]
[Esc] Cancels the current operation and returns to the Main Menu.
[End] Saves settings entered on a screen and in most cases returns
[←]
[0] - [9] Enters a number into a numeric data entry field.
[A] - [Z]
[a] - [z]
Accept a value in a field and move to the next field.
Move forward or backward through fields.
you to the Main Menu.
Moves cursor back one character and erases character.
Enters a letter into an alphanumeric data entry field.
DL20 Files
The DL20 creates a number of files during configuration and message
operations. The table below lists the files and their functions. These files are
transmitted to the DL20 during the download process.
File Name Description
MSG####.DAT Contains a single DL20 Message. The #### characters
represent a message number from 0001 to 1022.
MSG####.OLD Contains the old or previous version of a DL20 Message.
When a message is edited, the software automatically saves
the new file with a .DAT extension and the old version with the
.OLD extension. The filename (#### is the same for the new
and old version). The #### characters represent a message
number from 0001 to 1022.
CONFIG.DAT Stores DL20 configuration parameters including the DL20 type
(# of lines) and memory size.
DL20BAUD.OLP Stores baud rate and serial port setting your computer uses to
communicate with a DL20 or data recorder.
IOFILE.DAT Stores settings for the serial port of the DL20.
PIOFILE.DAT Stores settings for the parallel port of the DL20.
MSTRFILE.DAT Stores special function settings for the DL20.
SRECNAME.DAT Stores the name of an S Record file associated with
DL20 messages.
3–6
Chapter
Chapter Objectives
What are the Configuration Functions?
A–B
4
Configuration Functions
This chapter shows how to use the DL20 Offline Programmer to configure:
• Serial communication port of your computer
• Serial port of the DL20
• Parallel port of the DL20
• Special functions of the DL20
The Main Menu has one function that configures the serial port of your
computer and three functions that configure the DL20 ports and DL20
special functions.
Functions 3, 4 and 5 create the following files which are downloaded with
messages to the DL20:
3 – Set Up DL20 Serial Port Creates IOFILE.DAT
4 – Set Up DL20 Parallel Port Creates PIOFILE.DAT
5 – Set Up DL20 Special Functions Creates MSTRFILE.DAT
The files are stored on disk or in the DL20 subdirectory. You are not allowed
to download messages to the DL20 without these files.
Each configuration function is described in the sections that follow.
4–1
Chapter 4
Configuration Functions
Configuring the Computer Serial Port
To accept the default values
press [End] to save settings
and return to Main Menu.
Menu option 1 - Set Up Computer Serial Port sets the baud rate and
communication port your computer uses to communicate with a DL20 or
data recorder. These settings are stored in the file DL20BAUD.OLP on disk
or in the DL20 subdirectory and used when messages are transferred between
your computer and a DL20 or data recorder.
To configure the serial port of your computer:
1. Type 1 and press [Enter] to select 1 – Set Up Computer Serial Port
from the Main Menu.
This screen appears.
4–2
2. Set the baud rate at which your computer will communicate with the
serial port of the DL20. The options are 300, 1200 and 9600. The initial
default is 300. Type 1, 2 or 3 and press [Enter].
Note: The serial port of the DL20 must be set to the same baud rate. See
the DL20 User Manual for details on how to do this.
3. Select the serial port on your computer that will connect to the DL20.
The options are Com1 or Com2. The initial default is Com1. Type 1
or 2 and press [Enter].
You return to the Main Menu.
Chapter 4
Configuration Functions
Configuring the DL20 Serial Port
To accept the default values
press [End] to save settings
and return to Main Menu.
Menu option 3 - Set Up DL20 Serial Port sets parameters for the serial port
of the DL20. These settings are stored in the file IOFILE.DAT on your work
disk or DL20 subdirectory and transmitted to the DL20 at download.
To configure the serial port of the DL20 Display:
1. Type 3 and press [Enter] to select 3 - Set Up DL20 Serial Port
from the Main Menu.
The following screen appears.
2. Specify the number of nulls to send to the printer after each line of text.
Valid values are 000 through 250. The default is 4. Press [Enter] to
accept the default or type another value and press [Enter].
3. Specify the carriage width or number of columns for printing. Valid
values range from 020 through 220 columns. The default is 80. Press
[Enter] to accept the default or type another value and press [Enter].
4. Specify the baud rate for the serial port of the DL20. Valid baud rates are
300, 1200 and 9600 (03 = 300, 12 = 1200, 96 = 9600). Press [Enter] to
accept the default of 300 or type another baud rate and press [Enter].
Important: The baud rate you enter does not take effect until settings are
downloaded to the DL20 and the DL20 is reset.
4–3
Chapter 4
Configuration Functions
Configuring the
DL20 Serial Port
None
Odd
Even
5. Specify the parity for the serial port of the DL20. The options are None,
Odd, or Even. The default is None or No Parity.
The examples below show the correct settings for each option.
Set Parity to N.
Set Parity to Y. Odd Parity is set to Y. Even Parity is set to N.
Set Parity to Y. Set Odd Parity to N. Even Parity is set to Y.
6. Set the RS-422 port direction. The default is RS-422 output. Press
[Enter] to accept the default. Type Y and press [Enter] to use the
RS-422 port as an input port.
7. Specify whether to print a blank line between messages. The default is N.
Press [Enter] to accept the default. Type Y and [Enter] to print blank
lines between messages.
8. Press [End] to save the DL20 serial port settings to the IOFILE.DAT file.
and return to the Main Menu.
Press [Esc] to quit and return to the Main Menu without saving changes.
For more information on the serial port settings of the DL20, refer to the
DL20 User Manual.
4–4
Chapter 4
Configuration Functions
Configuring the
DL20 Parallel Port
To accept the default values
press [End] to save settings
and return to Main Menu.
Menu option 4 - Set Up DL20 Parallel Port sets parameters for the parallel
port of the DL20. The settings are stored in the file PIOFILE.DAT in the
DL20 directory and transmitted to the DL20 at download.
To configure the parallel port of the DL20 Display:
1. Type 4 and press [Enter] to select 4 - Set Up DL20 Parallel Port from
the Main Menu.
The following screen appears.
2. Specify whether the parallel port will use high true logic or low true logic
input levels. The default is high true logic. Press [Enter] to accept the
default. Type N and [Enter] to use low true logic.
3. Specify whether message triggers use binary or BCD format. The
default is binary message data. Press [Enter] to accept the default.
To use BCD format, type N and [Enter].
4. Specify whether variable data uses binary or BCD format. The
default is binary variable data. Press [Enter] to accept the default. To use
BCD variable data, type N and [Enter].
5. Specify whether the parallel port uses Time Driven or Event Driven
Sampling. To accept the default of Time Driven Sampling, press [Enter]
and skip to Step 9.
Note: Time Driven Sampling is recommended for use with
Allen-Bradley programmable controllers.
To specify Event Driven Sampling, type N and press [Enter].
4–5
Chapter 4
Configuration Functions
Configuring the
DL20 Parallel Port
Ignore steps 9 – 12. They apply
only to Time Driven Sampling.
6. If Event Driven Sampling was selected in Step 5, the following screen
appears with the Use High to Low field highlighted.
7. Specify whether Event Driven Sampling will use high-to-low or
low-to-high transition. The default is low-to-high. To accept the default,
press [Enter]. To select high-to-low transition, type Y and [Enter].
8. Press [End] to save the DL20 parallel port settings to PIOFILE.DAT
and return to the Main Menu.
If you selected AC inputs
in Step 9, skip to Step 12.
4–6
Press [Esc] to quit and return to the Main Menu without saving changes.
9. Specify whether Time Driven Sampling will use AC or DC inputs.
The default is N which means to use DC inputs. Select DC inputs if using
the Catalog No. 2706-NG1 or -NG2 Input Converter (Series C). Press
[Enter] to accept the default.
Select AC Inputs if using the Catalog No. 2706-NG1 or -NG2 Input
Converter (Series A or B). To select AC inputs, type Y and press [Enter].
10. Specify the Scan Rate for Time Driven Sampling. Valid scan rates
for DC inputs range from 4 – 255. Valid scan rates for AC Inputs
are 28 - 255. The default scan rate is 28. To accept the default, press
[Enter]. Otherwise type another value and press [Enter].
11. Specify the debounce time for DC inputs. Valid time values range from
1 - 255 which correspond to real times of 1.95 milliseconds through 500
milliseconds. The default debounce value is 2. Press [Enter] to accept
the default. Otherwise, type another value and press [Enter].
12. Press [End] to save the DL20 parallel port settings to PIOFILE.DAT
You then return to the Main Menu.
Press [Esc] to quit and return to the Main Menu without saving changes.
For more information on the parallel port settings of the DL20, refer to the
DL20 User Manual.
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