Application Scenarios
At a Midwest bottling facility, an aging electromechanical control panel caused frequent misfeeds on a label-applicator line due to unreadable status indicators and no real-time diagnostics. Engineers replaced it with the Allen-Bradley 2711-B6C9, connecting it directly to a MicroLogix 1400 PLC via RS-232. The 2711-B6C9 now displays bottle count, jam alerts, and motor status in clear monochrome text, while its 10-key numeric pad allows quick batch size entry. Within weeks, mislabeling errors dropped by 82%, and changeover time was cut in half—solving a chronic pain point of production inefficiency and waste.
Parameter
表格
| Main Parameters | Value/Description |
|---|---|
| Product Model | 2711-B6C9 |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Category | Standard Operator Terminal / HMI |
| Display Type | 6-inch monochrome FSTN LCD (blue backlight optional) |
| Display Resolution | 128 × 64 pixels |
| Keypad Configuration | 10 numeric keys + 10 function keys + navigation arrows |
| Communication Interface | RS-232 (DB-9 connector) |
| Supported Protocol | DF1 Full-Duplex (default), DH-485 (with adapter) |
| Power Supply | 24 VDC ±10%, max. 60 VA |
| Operating Temperature | 0°C to +50°C |
| Mounting Type | Panel cutout (156 × 114 mm), IP65 front protection |
| Dimensions (W×H×D) | 180 × 140 × 80 mm |
Technical Principles and Innovative Values
- Innovation Point 1: The 2711-B6C9 uses a deterministic polling architecture that minimizes communication latency with SLC 500 controllers—achieving screen update cycles under 200 ms, critical for real-time fault response in high-speed lines.
- Innovation Point 2: Its membrane keypad is rated for 1 million actuations and features sealed construction resistant to dust, oil, and cleaning chemicals—proven in washdown zones per NEMA 4X standards when properly installed.
- Innovation Point 3: Built-in application storage (128 KB) retains screen layouts and alarm logs during power loss, eliminating the need for external batteries or SD cards—a key reliability advantage over consumer-grade HMIs.
Application Cases and Industry Value
In a Canadian poultry processing plant, the Allen-Bradley 2711-B6C9 was deployed to modernize a manual evisceration line previously controlled by pushbuttons and pilot lights. Integrated with a PLC-5/40 via DH+ (using a 1784-KL converter), the 2711-B6C9 now provides real-time throughput metrics, knife maintenance alerts, and sanitation cycle timers. Over one year, line uptime increased by 19%, and regulatory audit compliance improved due to digital log retention. Maintenance staff particularly valued the terminal’s “screen capture” diagnostic mode, which simplified troubleshooting during third-shift operations.
Related Product Combination Solutions
To enhance functionality or support system migration, pair the 2711-B6C9 with these complementary Allen-Bradley components:
- 1747-UIC: USB-to-DH-485 interface for programming legacy PLCs from modern laptops
- 2711-NC13: Replacement keypad overlay for worn units
- 1761-NET-AIC: RS-232 to DH-485 bridge for multi-drop networks
- MicroLogix 1400: Compact PLC with native DF1 support for new retrofits
- PanelView Plus 6 2711P-T6C20D: Color touchscreen upgrade path with Ethernet/IP
- 1784-CP3: Serial programming cable for SLC/MicroLogix platforms
- 2711-RTC1: Real-time clock module for time-stamped event logging
- 1746-P1: 24VDC power supply with surge protection for HMI circuits
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