Application Scenarios
In the filter control room of a small-to-mid-sized water treatment station, a 2711-T10C3 terminal that had been running for years began showing touch offset—operators adjusting valve positions manually often needed multiple taps before a command registered. Because the terminal communicated with an SLC 5/03 controller over a DH-485 network, and both the control program and network configuration had run stably for years, a full migration to a modern HMI would have meant re-architecting communications and re-validating screen mappings. The maintenance team instead sourced a same-model spare and, after power-down, entered configuration mode to verify the DH-485 node address and baud rate against the network. On power-up the screens loaded correctly, touch accuracy for valve adjustment returned to a usable state, and the station avoided a complete monitoring blind spot caused by HMI failure.
Parameter
| Parameter | Value/Description |
|---|---|
| Product Model | 2711-T10C3 |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Product Category | PanelView 1000 Standard Operator Terminal |
| Display Size | 10.1 inches |
| Display Type | Color active-matrix TFT, CCF backlight |
| Resolution | 640 x 480 |
| Display Area | 211 x 158 mm |
| Operator Input | Touchscreen (384 touch cells, 24 columns x 16 rows) |
| Communication Ports | DH-485; RS-232 (printer only) |
| Input Power | 85–264 VAC, 47–63 Hz |
| Application Memory | 1008 KB (screen storage) |
| Enclosure Rating | NEMA Type 12/13 or 4X |
| Lifecycle Status | Discontinued / End of Life |
Technical Principles and Innovative Values
- Native DH-485 Integration: The 2711-T10C3 uses DH-485 as its primary communication channel, connecting directly to the DH-485 network hosting SLC 500 series controllers without an additional protocol conversion gateway. For the many legacy systems still running the SLC platform, this means replacing the terminal does not require re-architecting the network.
- RS-232 Printer-Dedicated Port: The RS-232 port on this model is intended solely for printer output and does not support program upload or download through that port. This design positioning gives the 2711-T10C3 a clear role in scenarios requiring real-time printing of alarm logs or batch reports, while also requiring maintenance personnel to use the DH-485 network or a memory card for program transfers.
- Panel-Mount and Environmental Protection: The terminal uses panel-embedded mounting, with the front panel rated to NEMA Type 12/13 or 4X, resisting dust and splashes on control cabinet doors in common industrial environments such as food processing and water treatment.
- Long-Life Backlight Design: The CCF backlight carries a nominal half-life of 50,000 hours at 25°C, providing years of visibility even under continuous 24-hour operation and reducing premature replacement demand caused by backlight degradation.
