Before you download a legacy N2 FX Field controller, you must set the N2 Network timeout parameter to 1200 ms. If you do not set the timeout value, the download fails due to a communication timeout. For more information, see FX CommPro N2 Download.
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Open FX CommPro N2.
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On the Tools menu, click Edit Settings. The Settings dialog box appears.
FX CommPro N2 Settings
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Set the time to Medium (1200 ms).
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Click OK. Once you make this setting, a download of a legacy N2 FX Field Controller is tunneled from the FX CommPro N2 tool to the FX Supervisory Controller.