Record the installed runtime, IP settings, firmware and panel cutout before removing the terminal. Confirm that the project targets the 9-inch widescreen Standard platform and that the single Ethernet path matches the cabinet drawing. Once the approved application is restored, validate touch response, navigation, alarms, trends and each command that can affect the process.
Important Notice: Confirm the full 2711P-T9W21D8S identity, single-Ethernet architecture and validated runtime backup before replacement.
The first document contains the applicable manufacturer reference pages for this exact product; the second organizes preparation, wiring, diagnostics and handover checks.