The bachelor's thesis focuses on the design and drawing of single-pole wiring
diagrams for electrical installations. The programming part of the thesis is based on the
software environment Excel, AutoCAD, programming in the VBA programming
language, and on automatic drawing of single-pole diagrams for electrical installations.
The aim of the bachelor's thesis is to automatically draw single-pole diagrams in the
AutoCAD program, based on the textual description of the user of the program. At the
beginning, there is a brief introduction to the VBA programming, AutoCAD drawing and
the concept of the program. Later, we take a step-by-step look at how the program works,
with instructions on how to add additional elements to the program. The thesis first
touches upon the AutoCAD software environment, which is the basic program for
drawing various engineering diagrams. In the field of electrical engineering, it is very
often used in the design and drawing of electrical plans. Usually, these plans are made
from single-pole diagrams and floor plans. We will get to know the basic functions of the
program, which can be of help when drawing, and on which the entire program is based.
This is followed by an introduction to the VBA software environment and the
programming syntax used in the project. If the reader is interested in VBA programming,
he or she can learn quite a few competencies from the bachelor’s thesis. Having
introduced the VBA and AutoCAD software environments, the thesis presents the project
of this thesis, which aims to automatically draw single-pole diagrams based on an Excel
file. Excel is not described in detail as it is very common in engineering. This is followed
by instructions for launching the program, description of the procedure, and the
background of the program. The user is shown how to correctly enter the data into the
Excel tables, on the basis of which the program draws diagrams in AutoCAD. The
program is launched in two sequences. The first one is located in the Excel software
environment, and the latter switches to the second sequence, which is in the VBA
environment. In both cases, the user has to enter the desired data on the basis of which
the program performs the drawing. The background of the functioning of the program is
also described in more detail. Here we touch on programming in the VBA environment.
Each user command is described in more detail in the figures. Sections of individual codes
can be seen in the figures. The thesis is thus condensed into a coherent whole, which can
be of help to the user of the program, or serves as a reference for implementing similar
programming for automatic AutoCAD drawing.
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