Руководство - руководство по программированию в среде U90 Ladder (англ.язык)
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2. Select the desired operation.
3. Move the function block to the desired net position.
4. Click to place the element. The Operand Address and symbol dialog box opens.
5. Select the desired Operand type.
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6. Enter the Operand Address and symbol or constant value for each block variable. Click OK
7. The function block appears on the net with the selected block variable values and symbols.
Connecting elements: Line Draw
Use the Line Draw tool to connect elements.
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If you have a long series of elements in one net, you can use the Line Draw tool to extend the rung within the
net.
To use the Line Draw tool:
1. Place your cursor in the empty space in a net and double-click or click the Line Draw icon
.
2. Your cursor changes into a drawing hand.
Click and drag to draw the desired line to connect two elements in the net. Do not leave spaces between
lines and elements. This may cause a compile error.
3.
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Intersecting lines: Junction
To check for junctions:
1. When you draw intersecting lines with the Line Draw tool, the line intersections are simply 90 degree
angles.
2. After compiling the project, there will be a small circle at each junction. This circle shows you that the
compiler recognized these line intersections as junctions.
Copy and Paste Elements
You can copy one or more elements from a net to paste into another net.
To Copy and Paste U90 Ladder elements in a net:
1. Select the element(s) you want to copy.
2. Select Copy.
3. Select Paste.
4. Move the pointer to the net that you want to paste into
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5. Click.
Note that the element(s) will appear in the same area in the new net as where they were in the copied net.
Moving Elements
To move an element within a net:
1. Select the element by single clicking on the element function (not the Operand and address area).
2. Hold the mouse button down. The cursor changes to a hand.
3. Move the mouse to re-position the element on the net. Release the mouse button.
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Replacing Ladder elements
To exchange one element for another within the same element family:
1. Select the element that you want to exchange.
2. Right click to open the pop-up menu.
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3. Select Replace Ladder Element option.
4. Select the desired replacement element type.
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5. The element appears with the new element type.
Copying multiple nets
To copy more than one net:
1. Select the first net by clicking on the left net bar.
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2. Hold the Shift button and click on the last net in the range that you want to copy.
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3. Click Copy on the Standard toolbar.
Displaying an Operand Symbol in the Ladder Diagram
In the Ladder Editor, you can view an element description as:
An Operand and Address
A Symbol
Operand, Address and Symbol
To change the element description view format:
1. Click Format on the Standard menu bar.
2. The View Format menu opens.