Electromechanical Systems Simulator (ESS) Documentation

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• About
• Using Simulator
  • User interface
  • Working with files
  • Design Command Circuit
  • Motor Circuit Types
  • Working with Motor Circuits
  • Run Designed Circuit
  • Print Circuit
• Examples
• Program history
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Design command circuit

Circuit components and their symbols

Contactor
Normally opened contact
Normally closed contact
Start button
Stop button
Jog button
Limit switch
Time relay (on delay)
Time relay (off delay)
Lamp

To design a command circuit you need add components and connect them properly. To add component simply click on component you wish to add and drag it to its desired position and click again to release component. Once component added you can easily move it by dragging pressed on it and releasing in desired position.

To give appropriate name for component click on the label located at the top of component and type new name on it. All components must be named for running circuit. Name for open and closed contactors is selected among contactors and time relays. Therefore contactors and time relays must be named before. Time relays have their timer located at the bottom of component. To set timer, click on timer and type new value.

To change colour of lamp right click on lamp and select new colour.

To draw a connection line between two components move your mouse pointer to connection point of component. When connection point appears press left button of mouse on that point and drag your mouse to other connection point, line or node. When connection point appears release mouse button. While drawing line it will appear as blue thick line. When connection made line will be converted to black otherwise it will remain as blue. Once connection line drawn you can easily move it by dragging pressed on it and releasing in desired position.

To delete any component or line select it by pressing CTRL key. You can select many components and lines while pressing CRTL key. Selected components will appear in frame and lines will be converted to red. When you select component, lines connected to that component also will be selected. After selecting click on Delete button at tool bar or press delete key on keyboard. To deselect components click on any component without pressing CTRL key.