1, preliminary work

(1) set the font size and color, line thickness and color.

The word high size:

In general, A3drawings, font size and line diameter as follows:

Font font characters are used, components, cable terminal symbols and words of Gao Wei 3.5, line number and the connecting points of the code is 2.5.

Components of the contour lines and cable trunk line thickness of0.5mm, the general single hoop connecting line for0.25mm.

Color:

Components of contour line and cable trunk line using the white line, generally a single hoop line and cable with green line.

Components of the code and its terminal and the line number font colors are yellow, single hoop cable connection point fonts using green line, line color label in red font.

2, draw a wiring diagram at

Draw a diagram, the general need to follow the following principles:

(1) general drawing wiring diagram of the sequence of:

According to the principle of component grouping, according to layout setting components placement to draw element diagram ( with round or square frame representation )→marking element terminal label, picture element the connecting line between the connecting line to mark the line number, reasonable arrangement diagram page order, marking wire connection point.

It is important to note, each step, should be a step in the right, especially the last step marker lines connected to the connection point, if the marker after, then change element location or connection lines, or drawings of the order is changed, it must also be changed accordingly the wire connection point, brought unnecessary trouble.

Page order generally follows:

Main circuit wiring and connection of the control circuit and terminal

(2) the different control box ( board ) to the terminal ( i.e. other control box, control panel or not in the control box or control board components into the control box or the control panel, to receive the control box or control board terminal, and then by the terminal lead );

(3) the same terminal does not allow more than two;

(4) high voltage and power line use R shaped terminals, signal line use Y shaped terminal;

(5) components can use simple square or circular shapes to express, but its terminal position as far as possible and practical components position identical or close;

(6) wiring diagram component placement and layout position of the same or similar, to one component, labeled terminal position and be practical components of the same position layout.

(7) force to the entire surface appearance. Therefore, during the painting connection diagram, to keep the whole surface is compact and clear, at the same time, try to make the picture not too sparse. In order to avoid connecting line, connecting line to use

Straight line, the distance between cable and components should be the same.

3, the late work

Check wiring diagram, ensure correct, making ready for connection table.