Before attempting to run the selected app, the Device Simulator determines if there is an SVM already running that is using the same Sox port, 1876. If so, you will be warned, and asked if you wish to stop the existing app.
This does NOT check to see if any other apps, stations, etc., are using other ports that the app may require. Also, the simulator
app must compete for port control with console-based SVMs that you may have running. So, you cannot run both a console-based
SVM and a Simulator SVM on the same port.
Also, not all behaviors of the physical device may be implemented by the simulation SVM. Behaviors that are typically stubbed out are those that involve interfacing with hardware through inputs, outputs, communication interfaces (i.e. serial ports), indicator lights, and displays.
When you run an app in the Device Simulator, the app functions occur in the “sandbox” area. This effectively isolates the
app functions preventing them from affecting your Niagara installation.
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