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Key Technical Specifications
| Parameter | Value |
|---|---|
| Catalog Number | 2711-B6C8 |
| Product Family | PanelView 600 Standard Operator Terminal |
| Display Size | 6-inch (5.7-inch viewable) |
| Display Type | Color active-matrix TFT |
| Resolution | 320 × 234 pixels |
| Display Area (W × H) | 115 × 86 mm (4.54 × 3.4 in) |
| Input Methods | Touchscreen + keypad (10 function keys F1–F10) |
| Application Memory | 170 KB runtime; 240 KB non-volatile (objects, text, bitmaps) |
| Communication Ports | 1 × DH+ (Data Highway Plus); 1 × RS-232 (printer) |
| Communication Cable (DH+) | 2711-NC14 (or equivalent DH+ cable) |
| Real-Time Clock | Battery-backed (RTC battery 2711-NB3 or 2711-NB4) |
| Backlight Life | ~50,000 hours to ½ brightness at 25 °C |
| Backlight Replacement | 2711-NL5 |
| Input Voltage | 85–264 V AC, 47–63 Hz |
| Power Consumption | ~30 W (typical) |
| Panel Cutout (W × H) | 264 × 167 mm (10.39 × 6.57 in) |
| Terminal Dimensions (W × H × D) | 290 × 192 × 116 mm (11.40 × 7.55 × 4.57 in) |
| Mounting Depth | 91 mm (3.60 in) behind panel |
| Weight | ~2.0 kg (4.5–6 lb, depending on packaging) |
| Operating Temperature | 0 to 55 °C (32 to 131 °F) |
| Storage Temperature | −20 to 70 °C (−4 to 158 °F) |
| Humidity | 5–95% non-condensing |
| Certifications | UL, CE, CSA (industrial use) |
Product Introduction
The Allen-Bradley 2711-B6C8 is a PanelView 600 standard operator terminal with a 6-inch color TFT display, keypad, and touchscreen. It provides DH+ and RS-232 printer communication for integration with PLC-5, SLC 500, and early ControlLogix systems in legacy installations.
This HMI is chosen for machine interfaces where a compact color display with both touch and keypad input is needed. In field deployments, it’s commonly used on packaging lines, conveyors, and process skids where DH+ networking and PanelBuilder 32 applications are already in place.
2711-B6C8
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No display, no backlight | AC power missing or internal PSU fault | ✅ High | Measure 85–264 V AC at input terminals; check internal fuse | Fix AC supply and wiring before swapping HMI |
| Backlight on but screen blank | Application not loaded or corrupted | ✅ Medium | Check for “No Application” or similar message; try PanelBuilder 32 download | Reload application; verify DH+ node and baud settings |
| Touchscreen unresponsive in areas | Membrane damage or calibration issue | ✅ Medium | Run touchscreen calibration in terminal setup; inspect for physical damage | Replace membrane/touch overlay if calibration fails |
| DH+ communications failing | Node address/baud mismatch or cable fault | ✅ High | Verify DH+ node, baud rate, and cable continuity; monitor with RSLinx | Correct DH+ config; replace DH+ cable if open/short |
| Time/date lost after power-off | RTC battery depleted | ✅ High | Check RTC battery voltage (2711-NB3/NB4); verify time reset after power cycle | Replace RTC battery; re-set time and date |
| Backlight dim or flickering | Backlight inverter aging or bulb near end of life | ✅ Medium | Measure backlight brightness; check for flicker at low brightness | Replace backlight assembly (2711-NL5) if dim/flickering |
If you’re stuck, send photos of the terminal (including rating label), a screenshot of the fault or blank screen, and your DH+ network settings. We’ll review it before you swap the unit.
Frequently Asked Questions (FAQ)
Q: Is the 2711-B6C8 hot-swappable?
A: No. The 2711-B6C8 must be installed and removed with AC power OFF. Hot-swapping can damage the power supply and communication ports.
Q: What’s the difference between 2711-B6C8 and 2711-B6C9?
A: Both are PanelView 600 color terminals. B6C8 uses DH+ and RS-232 printer. B6C9 uses RS-232/RS-485 (DF1) and RS-232 printer (no DH+). Choose based on your network (DH+ vs DF1).
Q: Can I use the 2711- with ControlLogix over EtherNet/IP?
A: No. The 2711- has DH+ and serial ports only. For EtherNet/IP, you need a PanelView Plus or newer HMI with an Ethernet port.
Q: What software do I need to program the 2711-?
A: PanelBuilder 32 is used to create and download applications to the 2711-. It runs on Windows and communicates via DH+ or serial, depending on configuration.
Q: What condition are these units in, and why is pricing lower than factory?
A: We sell New Original (New Surplus) and Refurbished (tested) units. Pricing is lower because these are surplus or professionally refurbished, and the PanelView 600 line is discontinued. Each refurbished unit goes through power, display, and communication tests and comes with a 1-year warranty.
Q: Can I keep my existing application when swapping a failed 2711-?
A: Yes, if the replacement is the same catalog number and you have a PanelBuilder 32 backup. Download the existing .MER runtime file to the new terminal and verify DH+ node and baud settings.
Q: What is the recommended replacement for the 2711-?
A: Rockwell’s migration path is PanelView Plus 6 / 7 (e.g., 2711P-… series) with FactoryTalk View ME. Migration requires application conversion and new communication wiring (Ethernet or serial, depending on model).
