UD70
Issue code: 70nu2
Introduction 1-1
1 Introduction
On a Variable Speed Drive such as Unidrive, timing functions necessary for
the correct operation of power devices are performed by its own
microprocessor operating in real-time. This imposes limitations on the
microprocessor when carrying out other duties, resulting in a reduction of
flexibility of the Drive.
To maximize this flexibility, a second processor can be used for running
application-specific software. This second microprocessor is the
UD70
which allows the Drive to be easily adapted to applications by programming
software in the UD70.
1.1 Overview
The UD70 is a compact microcomputer contained in a Large Option Module
for easy installation in any size of Unidrive.
Together with the
DPL Toolkit, the UD70 allows the programmer to write
software or use pre-written software in order to enhance the flexibility of a
Unidrive.
DPL Toolkit (Windows™ interface)
The DPL Toolkit is contained on two diskettes. It is a program which runs in
Microsoft® Windows™ Version 3.1x and Windows™ 95. Programs for the
UD70 are written on a host PC using the DPL Toolkit.
The
UD70 uses a high-level programming language called DPLDPL
(Drive Programming Language) which is in many respects similar to the
BASIC language. DPL is a compiled program which gives it the ability to run
at high speed.
The DPL Toolkit is used to write, compile and download a DPL program to an
UD70. The Toolkit also has a comprehensive set of de-bugging facilities to
aid the development and testing of the DPL program.
Connection between the
UD70 and host PC is via an RS232 serial
communications link. This link need only be used during program
development, testing and commissioning. It can be disconnected after the
software has been successfully loaded.
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