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Meanings of Terms and Their Contents
The meanings of terms used in this manual and their contents are shown below.
Term Contents
Console
This is a device which connects to the QD51 (-R24) and is used to perform
programming and multitasking settings.
A PC/AT personal computer with the software package installed becomes a console.
Depending on the settings, the console becomes the debugger.
Debugger
This device connects to the QD51 (-R24) and performs debugging. A PC/AT personal
computer with the software package installed becomes the debugger. The debugger
can check variable values and can edit the program while it is being run.
Terminal
This connects to the QD51 (–R24) and is used to display the screen and input
characters from the keyboard.
Interpreter
This is BASIC in a format which processes while executing commands one by one.
Compiler
This compiles programs created with the interpreter. It registers the compiled files and
executes them. Compared to the interpreter, its execution speed is on the average 2
or 3 times faster.
Multitasking
This executes multiple programs by time slicing, executing them so that it seems that
they are being executed simultaneously.
Run Mode
This is the mode used when the console is disconnected and the QD51 (-R24) is
being operated independently. It is actually used when this device is being run as a
system.
Programming Mode
This mode is used to connect to the console and carry out programming.
Multitask Debug Mode
This mode changes the contents of variables and traces them while executing a
program, and carries out tracing.
Product Configuration
The QD51 (-R24) product configuration is as shown below.
Model Name
Product Name
Quantity
QD51
Model QD51 Intelligent Communications Module
1
Model QD51-R24 Intelligent Communications Module
1
Terminal Resistor 330
Ω
, 1/4 W (For RS-422 communications)
2
QD51-R24
Terminal Resistor 110
Ω
, 1/2 W (For RS-485 communications)
2
Содержание QD51
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