Description
Application Scenarios
A small municipal lift station relied on an SLC 5/03 processor to manage duplex pump alternation, wet-well level monitoring, and high-level alarm annunciation. The original operator interface had failed, leaving maintenance technicians to troubleshoot pump faults by opening the control cabinet and watching PLC indicator lights. After sourcing a tested 2711-K6C1 through the surplus market, the station regained a dedicated keypad interface that displayed pump run hours, wet-well level, and alarm history on a color screen readable through the cabinet window. For compact, Remote I/O-based installations where a full touchscreen retrofit is unnecessary, this terminal restores operator visibility with minimal integration effort.
Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | 2711-K6C1 |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Category | PanelView 600 Standard operator terminal (HMI) |
| Display | 5.5-inch Color Active Matrix TFT, 320 × 234 resolution |
| Operator Input | Stainless steel domed membrane keypad with 10 function keys (F1–F10) |
| Keypad Actuation | 2 million presses rated |
| Communication | Remote I/O (RIO) via built-in port |
| Application Memory | 190 KB runtime; 240 KB nonvolatile (objects, text, bitmaps) |
| Real-Time Clock | Battery-backed, field-replaceable battery |
| Input Power | 85–264 V AC, 47–63 Hz; 60 VA max |
| Enclosure Rating | NEMA Type 12, 13, 4X (indoor), IP54/IP65 when panel-mounted |
| Approximate Weight | 2.0 kg (4.4 lb) |
| Product Status | Discontinued/Obsolete; refurbished and surplus units available |
Technical Principles and Innovative Values
- Native Remote I/O Connectivity: The 2711-K6C1 communicates directly with PLC-5 and SLC controllers over Remote I/O without protocol converters, preserving the deterministic, low-overhead data exchange that made these architectures reliable in the first place. In brownfield cabinets, eliminating a gateway also eliminates a failure point and a configuration headache.
- Keypad-First Operator Interface: The stainless steel domed membrane keypad with dedicated function keys suits environments where touchscreens suffer from gloved operation, washdown spray, or abrasive dust. The 2-million-press rating reflects a design intent that anticipated rough treatment, not clean-room conditions.
- PanelBuilder32 Application Portability: Existing PanelBuilder32 project files can be loaded onto replacement 2711-K6C1 units without rewriting logic, allowing plants to maintain spare terminals as drop-in replacements and defer costly migration projects until operational needs justify them.
- Compact Cutout Footprint: The PanelView 600 form factor occupies a smaller panel cutout than the 1000-series terminals, making the 2711-K6C1 a practical choice for cramped junction boxes, skid-mounted control panels, and retrofit situations where panel real estate is already committed
