Open a simulation configuration file
- Last UpdatedApr 24, 2025
- 2 minute read
Use the RTU (Remote Terminal Unit) Composer to open an existing configuration file for review or modification while in disconnected mode.
To open an existing configuration file
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In the PLC/RTU tab of the RTU Composer, hover over the
icon, and select the
icon.

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The Composer title bar will contain the path of the file being edited.
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The Available pane will be cleared.
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The Selected pane will contain the remotes loaded from the configuration file.
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The ANALOGS, DIGITALS, COMMANDS, RATES, and STRINGS tabs will contain the telemetry data of the remotes that were loaded from the configuration file.
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Explicit model tags (shown in black font), setpoint commands, model commands, flow rate tags, and volume tags will be preserved.
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Implicit model tags (shown in gray font), setpoint commands, model commands, flow rate tags, and volume tags will be refreshed to reflect the derivation rules contained within the Naming Rules plugin.
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Optional: To exclude a remote from the Selected pane, select the
icon for each remote you wish to exclude
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Optional: Explicitly set any model tags, setpoint commands, model commands, flow rate tags and volume tags that require modification. For more information, refer to the Tools Developer documentation.
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Optional: To save, hover over the
icon, and select the
icon.
Note: Saving will overwrite the configuration file that was opened for editing. To save a copy of the configuration file without replacing the original, select the
icon and save the file with a new file name.