The Allen-Bradley 2711-B5A3 is a PanelView 550 operator terminal designed for reliable human-machine interface (HMI) applications in industrial environments. This AC-powered unit provides a robust interface for monitoring and controlling automated processes, combining both physical keypad inputs and a touchscreen for versatile operator interaction. It is engineered to withstand demanding conditions in sectors such as water treatment, petrochemical processing, and manufacturing, ensuring consistent communication with PLC systems via the DH-485 network protocol.
The 2711-B5A3 is suitable for a wide range of industrial automation tasks, including machine control, process visualization, and alarm management. It is commonly deployed in systems requiring a compact, NEMA-rated interface for harsh environments where high-vibration or moisture resistance is necessary.
| Model | 2711-B5A3 |
| Input Voltage | 85-264 VAC |
| Power Consumption | Max 45 VA (29 W heat dissipation) |
| Display Size | 5.5 inches |
| Resolution | 256 x 128 pixels |
| Communication | DH-485 and RS-232 |
| Operating Temperature | 0 to 55 deg C |
| Enclosure Rating | NEMA 12/13, 4X (Indoor), IP54/IP65 |
No, the 2711-B5A3 is classified as a discontinued or obsolete product by the manufacturer. We provide these units as refurbished or surplus stock to support legacy system maintenance.
This unit utilizes the DH-485 protocol for data exchange with Allen-Bradley controllers. It also includes an RS-232 port specifically for printer connectivity.
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