Fluke 1722A User manual

ANew User’s Guide to the
1722AInstrument Controller

CONTENTS OF THE NEW USER’S GUIDE
START WITH THIS BOOK if
this is your first experience
with the Fluke Model 1722A. it
contains all of the information
you will need to ensure a
successful first encounter.
After you feel comfortable with
the 1722A, continue on to the
description of “The Manual
Set". It will help you select the
book you need next.
Enjoy your 1722A!
P/N 716613
JULY 1983
REV 110/83
®1983 John Fluke Mfg. Co,, fnc„
all rights reserved. Litho in U.S.A,
Meet the 1722A Instrument Controller
The Keyboard and Front Panel
The Rear Panel
Disks
Turning the 1722A On
The Getting Started Program
Writing aBASIC Program
Saving Your Program
Looking On The Disk
Retrieving Your Program
Using the Basic Editor
Writing aProgram
The “Getting Started Environment”
Everybody Makes Misteaks
The 1722A As an Instrument Controller
The Manual Set
How to Use These Manuals
1
2
4
5
6
8
10
12
13
14
15
16
17
18
19
20
21

MEET THE 1722AINSTRUMENT
Your 1722A Instrument Controller is aversatile, high-speed computing and
controlling tool. Its unique Touch-Sensitive Display allows you to design a
friendly-to-use system that gives predictable results. Here are just afew of the
many performance capabilities;
An extensive easy-to-use BASIC interpreter with aprogram editor that
checks for syntax errors as lines are entered.
Aconsistent file structure that manages system software, program files,
and data files in the same way.
Acomplete set of BASIC and system commands that allow you to prepare
disks and organize your files easily,
Atouch-sensitive graphics and character display that allows you to plot
data results and serves as the primary system user interface.
The 1722A includes versatile software tools designed for the task of
programming and configuring an automated system. This manual will help you
become familiar with 1722A system capabilities and with basic programming
practices so that you can quickly begin to see results.
1

THE KEYBOARD AND FRONT PANEL
THE TOUCH-SENSITIVE DISPLAY
FRONT PANEL CONTROLS
DISK DRIVE
KEYBOARD
Locate the following items;
Touch-sensitive high-resolution graphics and character display.
RESTART reloads system software and performs your defined startup
sequence leaving any programs and data files stored on E-Disk {Electronic
Disk) intact. ABORT stops aprogram while it’s running. Press RESTART and
ABORT together to clear memory and perform aself test followed by anormal
RESTART.
5-1/4 inch 400K byte removable disk stores programs and data files.
DThe Keyboard connects to the 1722A Front Panel.
It is used for program generation or keyboard control of the 1722A.
It generates the full ASCII (American Standard Code for Information
Interchange) character set and has akeypad for text editor functions.
2

TOUCH-SENSmVE DISPLAY
DISK DRIVE
DISK ACCESS LIGHT
RESTART
ABORT
TEXT EDITOR KEYPAD
KEYBOARD

THE REAR PANEL
POWER INFORMATION LABEL
LINE POWER CORD
POWER SWITCH
AIR FILTER
ADDITIONAL MODULE SLOTS
Locate the following items:
Contains power information. Check for compatibility with local line power.
Connects the 1722A to aline power outlet.
Turns the 1722A on or off.
Filters dust out of the incoming cooling air. Allow clearance behind the 1722A
for cooling.
Options are factory installed only if requested in your order. The options are
not required for the exercises in this book.

DISKS
Disks are removable storage media for programs and data files.
During insertion and removal, hold the disk as shown in the illustration. NEVER
TOUCH THE
DISK’S
SURFACE
KEEP THE
DISK AWAY
FROM
MAGNETIC
FIELDS
NEVER
BEND
THE
DISK
5

TURNING THE 1722AON
REMOVE DRIVE PROTECTOR
CONNECT TO APOWER
SOURCE
TURN THE 1722AON
DISPLAY MESSAGES
HELLO
SELF TEST IN PROGRESS
Open the Disk Drive latch and remove the cardboard
Check that the Power Switch is OFF,
shipping protector.
Connect the Keyboard to the Front Panel. Connect the Power Cord to the Rear
Panel, then to apower outlet. Refer to the 1722A System Guide If you need
more detailed information on power requirements.
Set the Power Switch to the ON position. i
After power is applied, aseries of system messages is displayed while the
display warms up. You may not see each message unless the 1722A is already
warm:
The 1722A has initiated its internal start sequence.
The 1722A is performing atest of major components.
NOTE
Refer to Section 3of the 1722A System Guide if any error messages
are displayed.
6

TURNING THE 1722AON
As shown earlier, gently insert the Getting Started Disk, label side up, into the
Disk Drive until it isfully seated. Be careful notto touch the disk surface, and do
not force the disk into place. Close the Disk Drive door.
If the message “?DISK not ready...” is displayed, the disk was not in place when
the 1722A attempted to load the system program. If this happens, check the
disk to ensure that it is properly inserted and touch the display.
1722A System Software is being read into memory from the disk.
INSERT THE GETTING
STARTED DISK
TOUCH THE DISPLAY
LOADING
The start-up sequence stored on the Getting Started disk is now being
performed. The last step in this sequence starts the Getting Started program. startup Command File
execution in progress
please standby...
7

THE GETTING STARTED PROGRAM
DEMO PROGRAM
PLOT OUR
DATA
ENTER
NEW DATA
PLOT YOUR
DATA
ABORT
The Getting Started program provides ademonstration of atypical plot on the
1722A display, and offers you an opportunity to change and replot the data
using the Touch-Sensitive Display. You will not need to use the Keyboard.
Touch the display block labeled PLOT OUR DATA. The 1722A will clear the
display and plot the data stored on the Getting Started disk. When the 1722A is
done, touch the display again to return to the menu.
Touch the display block labeled ENTER NEW DATA. The 1722A will clear the
display and present you with akeypad for entering new data. After you have
entered 10 values, the 1722A will automatically return to the menu.
Touch the display block labeled PLOT YOUR DATA. The 1722A will clear the
display and plot the data you have just entered. When the 1722A is done, touch
the display again to return to the menu.
Press the ABORT switch on the 1722A Front Panel to stop the program. If you
have not plugged in the Keyboard, do it now. Then type: RUN “MENU” and
press RETURN. The 1722A will return to the menu display. You can do this any
time you wish to return to the menu.
8

THE GETTING STARTED PROGRAM
Press the RESTART switch on the 1722A Front Panel. The System Software
will be reloaded into memory from the Getting Started disk, and the start-up
sequence will be performed again. Touch PLOT YOUR DATA, and you will see
that your data is still intact because it was stored on the disk. Touch the display
again to return to the menu.
^restart!
V—
Touch the display block labeled OTHER PROGRAMS. The 1722A will clear the
display and show adifferent menu of additional programs. Use the Touch-
Sensitive Display and the Keyboard to try out the programs. Feel free to use
any keys or switches. You will not affect any of the recorded programs. Press
RESTART any time you wish to start over.
OTHER
PROGRAMS
9

WRITING ABASIC
GETTING READY
WHAT’S IN MEMORY
CLEAR MEMORY
ASHORT BASIC PROGRAM
If you have not done so, connect the Keyboard to the Front Panel,
Press RESTART to return to the menu.
Press ABORT on the Front Panel. This will stop the program.
Type (CTRL) /T (hold down CTRL then press T). This will clear the display.
Type LIST, then press RETURN. You will see the MENU program scrolling
quickly by. Press PAGE MODE to stop the scrolling. Then press NEXT PAGE,
and you will get 15 more lines as the bottom line scrolls to the top.
Press PAGE MODE again. This turns the page mode Indicator off and allows
the program to scroll to the end.
Type DELETE ALL, then press RETURN. This erases the MENU program from
main memory. Acopy of it is still saved for you on the Getting Started disk.
Type LIST, then press RETURN. The screen will now clear and display READY.
You now have aclean workspace in which to write aprogram.
Type in the following BASIC program without the comments which areshown
in parentheses. You must press RETURN at the end of each line:
10 WAIT FOR KEY
20 K=KEY
30 PRINT K
40 GOTO 10
50 END
(Wait for atouch sense)
(Read the touch sense)
(Display the touch sense)
(Wait for another touch sense)
10

WRITING ABASIC PROGRAM
If you make amistake, press DELETE to back up. Then correct the error. If you
have already entered the line and have pressed RETURN, just retype the line
with the same line number to replace it.
Type RUN, then press RETURN.
If your program contains any errors, it will stop and tell you which line was in
error. For example, if you had entered line 10 as
10 WAIT FOR KAY
you will get the error message “ISyntax error nn at line 10” (nn is an error code
number). Just retype the line, and the program will replace the line containing
the error with the corrected line.
If you do not get any error messages, touch the display. The program will tell
you what touch number was sensed. As you touch around the screen, you will
see that-touch sense numbers start with #1 in the upper left and continue
through #60 in the lower right.
Your program easily finds out where the screen was touched!
MAKING CORRECTIONS
RUN YOUR PROGRAM
ERROR DETECTION
USING YOUR PROGRAM
11

SAVING YOUR PROGRAM
STOP YOUR PROGRAM
LIST IT
SAVE IT
Press ABORT (on the front panel). This will stop your program.
Type LIST, then press RETURN. You will see acopy of your program taken
from main memory. If you were to clear memory again (DELETE ALL), or turn
the 1722A off, you would lose your program until you retype it.
Type SAVE “TSENSE”, then press RETURN. The disk access light indicates
that your program is being saved on the disk.
12

LOOKING ON THE DISK
Type QDIR (short for Quick DIRectory), then press RETURN. You will see alist
of the files on the Getting Started disk. At the end of the list you will see
TSENSE.BAS. That is the program that you just saved. The 1722A added the
“.BAS” to indicate that it is aBASIC program.
Take alook at the Iist of files. Notice that the 1722A uses th ree-letter suffixes to
identify different types of files. Files may contain system software, utility
programs (such as editors), data arrays, text, and programs in avariety of
programming languages. As you become familiar with 1722A file- handling
tools, you will find that files are all treated the same except where the file type
makes adifference. The 1722A System Guide contains complete descriptions
of the file name suffixes used by the 1722A to identify the file type.
Type <CTRL>/R (hold down CTRL then press R). Notice that the QDIR
command you just entered is displayed again. If you had typed it incorrectly,
you could use the left and right arrow keys to back in and fix it. In fact the DEL
CHAR and DEL LINE keys also work for this.
The 1722A saves the commands that you enter in case you want to recall them
and use them again. When you use this recall feature, it activates the editing
keypad so you can make changes. You will find this convenience saves typing.
THE FILE DIRECTORY
FILE TYPES
FIXING TYPING ERRORS
13

RETRIEVING YOUR PROGRAM
RUN IT
DELETE IT
RETRIEVE IT
DELETE IT AGAIN
RETRIEVE IT AGAIN
LIST IT
Type RUN, press RETURN. Touch the display and you will see that your
program is still intact in memory and runs just fine.
Press ABORT to stop your program.
Type DELETE ALL, then press RETURN to clear memory.
Type RUN, then press RETURN. The 1722A displays READY to indicate that
there was no program to run.
Type RUN “TSENSE”, then press RETURN. The 1722A now turns on the disk,
finds your program, and begins running it. Try touching the display to make
sure that your program is running.
Press ABORT to stop the program. Type DELETE ALL, then press Return.
Type LIST, then press RETURN. The 1722A displays READY to indicate that
there is no program in memory to list.
Type OLD “TSENSE”. then press RETURN. The 1722A turns on the disk, finds
your program, reads it into memory, and displays READY.
Type LIST, then press RETURN. Your program is in memory again.
Type RUN, then press RETURN. Your program begins running again.
As you can see, the command RUN “program” finds your program on the disk,
reads it into memory, and starts running it. OLD “program” finds your program
on the disk and reads it into memory without running it.
14

USING THE BASIC EDITOR
Press ABORT to stop your program. THE EDITOR KEYS
Type EDIT, then press RETURN. Your program will be displayed with the
cursor at the beginning of the first line.
Experiment with the arrow keys to move the cursor around in your program.
Try BACK SPACE. It moves the cursor to the beginning of the tine.
Try LINE FEED. It moves the cursor to the end of the line.
Try DELETE. It removes acharacter to the left of the cursor each time it is
pressed. Don’t worry about correcting your changes for now.
Use the left arrow key to back up to the middle of aline. Try DEL CHAR. It
removes acharacter at the cursor position each time it is pressed.
Try DEL LINE. It removes everything from the cursor to the end of the line. If
the cursor is at the beginning of the line, the entire line is deleted.
Press RETURN. Notice that ablank line is inserted when RETURN Is pressed at
the end of aline. If the cursor is in the middle of aline, the line is split into two
lines.
Type TEST. Notice that each character appears at the cursor position.
Press the up arrow key. The blinking message “Itnenumber missing” indicates
that you must add aline number to the beginning of the line before you leave
the line.
15

THE WRITING WORKSPACE
ASAMPLE PROGRAM
RUN THE PROGRAM
Enough practice. Let’s use the editor to write anew program.
Type (CTRD/C (hold down CTRL then press C).This leaves the EDIT mode.
Type DELETE ALL, then press RETURN. This clears memory workspace.
Type EDIT, then press RETURN. You are back in the editor with aclean
workspace.
Type in the program that follows. Use the editor to correct any errors you may
make:
10 WAIT FOR KEY
20 K=KEY
30 IF K<= 30 THEN PRINT "TOP”
40 IF K>= 31 THEN PRINT "BOTTOfl"
50 SOTO 10
60 END
When you are done, type <CTRL) /C to exit the edit mode. If you pressed
RETURN after line 60, the editor will display the blinking error message:
Empty line You can ignore this message.
Type RUN, then press RETURN.
Try touching the display in several places. Your program easily tells the
difference between touching the top and bottom halves of the display!

HOW TO USE THESE MANUALS
ARE YOU EVALUATING
THE 1722A?
THE 1722A USER GROUP
AND SOFTWARE LIBRARY
The 1722A System Guide includes aspecification summary and configuration
information. With the help of your local Fluke Sales Office, this information will
help you determine if the 1722A is appropriate for your task. Also, since
selecting an instrument controller or industrial microcomputer is too complex
to be done on the basis of specifications alone, each Fluke District Sales Office
also has one or more System Engineers available to help you.
The 1722A is focused more on specific industrial needs than general purpose
or personal computers that are often adapted for this purpose. This focus is a
result of Fluke’s 35 years experience building quality Industrial
instrumentation. You will find it in the multi-level customer support available,
the capable flexibility of 1722Asystem software, and the quality of its manuals.
These have amajor impact on the magnitude of the task required to design and
develop your system.
Fluke encourages users of Fluke instrument controllers to sign up forthe User
Group. Aperiodic newsletter is used as an informal information exchange to
create adialog with interested users. The software library includes alarge and
growing list of programs that have been contributed from both Inside and
outside the Fluke organization. Ask your local Fluke Sales office for details.

HOW TO USE THESE MANUALS
The answers to most of your questions about the 1722A are in the manual set.
The manual set is structured to support both learning and reference access.
The following paragraphs are intended to provide you with some direction,
depending on your objectives.
Each manual includes tutorial information followed by reference material.
Examples are included to allow you hands-on familiarization. We suggest that
you do the exercises in this Getting Started Guide first. Then you should work
through the 1722A System Guide, skipping the reference material. The system
familiarity you gain will prove valuable as you begin programming the 1722A.
Then you should work through the BASIC Programming Manual, even if you
will be using adifferent language. Many of the examples and system
Information are applicable to any language, and you will find that most of your
simpler tasks are easier to accomplish in BASIC.
Before heading straight for the center of the programming manual, do take a
few minutes to look through the 1722A System Guide. The table of contents
will give you aquick summary of the kind of system information provided. The
consistent internal format and the index make it easy to find information when
you need it. The 1722A includes some unique capabilities that you will need to
understand before you can use them effectively. And, you will not want to miss
any convenience features such as the recall buffer mentioned on page 13.
ARE YOU NEW TO THIS?
ARE YOU AN EXPERIENCED
PROGRAMMER?
21
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