The Allen-Bradley 2711-B5A16 (Series H) is a legacy PanelView 550 operator terminal, widely utilized in industrial automation for machine control and monitoring. This specific model features both a monochrome LCD display and a keypad/touchscreen hybrid interface, providing operators with high durability and tactile feedback. It is designed for seamless communication with Allen-Bradley SLC 500, MicroLogix, and PLC-5 controllers via the DH-485 network protocol.
Technical Specifications
| Parameter | Detail |
| Product Model | 2711-B5A16 |
| Series | H |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Display Type | Monochrome LCD (Backlit) |
| Interface | Keypad & Touchscreen |
| Communication | DH-485 (RJ45 connector) |
| Memory | 170 KB Application Flash Memory |
| Operating Voltage | 85–264V AC |
| Operating Temp | 0°C to 55°C |
| Dimensions (Approx.) | 290mm x 215mm x 95mm |
| Weight | 1.5 kg |
Application Fields
- Machine Control: Standalone control of conveyor systems, packaging equipment, and stamping presses.
- Legacy System Support: Maintaining existing production lines that rely on DH-485 legacy communication.
- Industrial Monitoring: Real-time data visualization of process variables such as temperature, pressure, and flow rates in smaller machine cells.
Usage Instructions
- Mounting: Utilize the provided mounting clips to secure the unit into a panel cutout. Ensure the gasket is properly compressed to maintain the enclosure’s NEMA rating.
- Wiring: Connect the unit to a 120/240V AC power source as specified. Use high-quality shielded cabling for the DH-485 communication link to prevent data corruption.
- Configuration: Programming is performed using PanelView 32-bit software. Ensure your PC has a compatible serial or DH-485 communication interface card to download the application (.PVA file) to the terminal.
- Maintenance: The backlight is a consumable component. If the screen becomes dim, it may require a replacement backlight kit. Clean the touch-sensitive overlay with mild soap and water—avoid harsh solvents.
- Backups: Use a dedicated programming terminal or PC to create a backup of the application file before the internal battery or memory components reach the end of their service life.

Frequently Asked Questions (Q&A)
- Q: Is the 2711-B5A16 still supported?
- A: This model has reached its “End of Life” (EOL) status. Many users transition to modern PanelView Plus 7 units, though this requires updating the communication architecture (e.g., migrating from DH-485 to Ethernet/IP).
- Q: Can I use a standard Ethernet cable for DH-485?
- A: No. While the connector may look like an RJ45, DH-485 is a proprietary electrical interface. Using a standard Ethernet cable can damage the device. Always use verified DH-485 communication cables.
- Q: What does “Series H” mean?
- A: The “Series” designation indicates the hardware revision level. Series H represents a mature, high-stability hardware version within the PanelView 550 product lifecycle.
Recommended Stock Products
- 2711-B5A16 (PanelView 550)
- 2711-NC13 (DH-485 communication cable)
- 2711-NL1 (Replacement backlight kit)
- 2711-NB3 (Replacement lithium battery)
- 2711P-T7C22D9P (Modern Upgrade – PanelView Plus 7)
- 1747-AIC (Isolated Link Coupler for DH-485)
- 2711-K5A5 (Keypad only variant)
- 2711-T5A5 (Touch-only variant)
- 2711-ND1 (Memory card for application storage)
- Panel Gasket/Seal Replacement Kit
