The toolbar
A toolbar pops up when you open the simulation mode. It contains the following icons:
Icons (for example, switches) for operator control of the inputs
An icon for the simulation of a power failure, for testing the switching response with reference to retentivity characteristics after power failure
Icons (for example, bulbs) for monitoring outputs
Simulation control icons
Time control icons
Click << to hide a partial area of the toolbar. To show this area again, click >>.
Arranging the toolbar
You can move this I/O toolbar to the left, right, top or bottom of the programming interface by drag and drop, same as the other toolbars. If your program is exceptionally large and contains many I/Os, you can also drag and drop the I/O icons out of LOGO!Soft Comfort individually to open them in a separate window. This ensures a clear layout for your simulation.
Simulation control icons
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Start simulation |
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Stop simulation |
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Hold simulation (pause) |
If you have programmed a time-sensitive circuit, you can use the time control to monitor the reaction of your circuit program.
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Start simulation for a specific time or number of cycles. Set the period and the number of cycles using the following icons. |
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Set the period and the time base for a time-limited simulation or set a specific number of cycles |
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Display the current time in LOGO!Soft Comfort |
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Modify the current time in LOGO!Soft Comfort |
Status display
Prerequisite: The display of signal states and process variables is enabled under Tools Options: Simulation.
The colored indication lets you identify the "1" or "0" status of a connecting line. Default color of connecting lines carrying a "1" signal is red. Default color of connecting lines carrying a "0" signal is blue.
Example for the FBD Editor:
PI controller trend view
If your circuit program includes one or more PI controller function blocks, the simulation displays a trend view window of the analog output that shows the change in the value over time. The trend view is continually updated while the simulation is in progress. You can also display the process variable PV from the trend view window.
If your circuit program has more than one PI controller function block, the trend view has a separate tab for each PI controller analog output.