17 in stock
Allen-Bradley 2711-B5A8L2 PanelView 550 Operator Interface
Allen-Bradley 2711-B5A8L2 PanelView 550 Operator Interface
Brand/Manufacturer: Allen-Bradley
Order Number: 1.2
Type: Operator Interfaces
Country of Origin: USA
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
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Description
Configured for process visualization and operator parameter input within Data Highway Plus (DH+) network architectures, the Allen-Bradley 2711-B5A8L2 (2711-B5A8L2 Operator Terminal) provides direct physical/electrical execution. Powered by a 24 VDC input, the terminal incorporates a 5.5-inch monochrome LCD display (256 x 128 resolution) with dual keypad and touchscreen entry modes for real-time controller interaction and plant-floor monitoring.
Suffix Breakdown & Model Matrix
| Base Part Number | Display Type | Operator Input | Network Protocol | Input Voltage |
|---|---|---|---|---|
| 2711-B5A8L2 | 5.5-inch Monochrome LCD (256 x 128) | Keypad (F1-F10) & Touchscreen | Data Highway Plus (DH+) Port | 24 VDC (18...32 VDC) |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 2711-B5A8L2 |
| Brand | Allen-Bradley |
| Origin | US |
| Weight | 1.20 kg (2.65 lbs) |
| Dimensions | 279 mm x 178 mm x 102 mm (11.0 in x 7.0 in x 4.0 in) |
| Operating Temp | 0...55 deg C (32...131 deg F) |
| Power Consumption | 24 VDC nominal (18...32 VDC range) |
| Display Screen | 5.5-inch diagonal monochrome blue mode LCD |
| Resolution | 256 x 128 pixels |
| Operator Input | Keypad (10 function keys, F1-F10) and analog touchscreen |
| Primary Communication | Data Highway Plus (DH+) port |
| Memory Capacity | 170 KB application runtime memory |
| Enclosure Rating | NEMA 12/13, 4X (Indoor use), IP54/IP65 |
Profinet / EtherNet/IP Deterministic Networks & Firmware Flash Compatibility
The operator interface communicates across industrial network structures, processing high-speed serial and DH+ network bitstream exchanges with host PLC-5, SLC 500, or ControlLogix controllers. Onboard logic circuits maintain strict firmware flash compatibility with PanelBuilder32 software suites, assuring deterministic register updates across mapped I/O bits and integer files. High dielectric isolation across the 24 VDC power input terminals shields internal microcontroller logic from ground potential shifts and high-frequency noise transients present on backplane and field network lines.
Frequently Asked Questions
Q: What are the power supply requirements for the 2711-B5A8L2 terminal?
A: The terminal requires a 24 VDC nominal supply with an allowable operating range of 18 to 32 VDC.
Q: Which communication protocol is supported by the primary port on the 2711-B5A8L2?
A: The terminal features a dedicated Data Highway Plus (DH+) port for peer-to-peer and controller communications across Allen-Bradley PLC networks.
Q: What input options are integrated into the 2711-B5A8L2 terminal?
A: The unit features dual operator entry, utilizing 10 physical tactile function keys (F1 through F10) alongside an analog resistive touchscreen overlay.
Field Installation Guidelines
- Cut the enclosure panel opening according to standard PanelView 550 mounting dimensions and inspect the environmental sealing gasket.
- Insert the 2711-B5A8L2 terminal into the panel cutout and tighten all mounting clamps evenly around the perimeter to ensure a NEMA 4X / IP65 seal.
- Wire the external 24 VDC power supply to the terminal block, verifying correct polarity before energizing the unit.
- Route the shielded DH+ network cable away from high-voltage AC lines, variable frequency drive output leads, and heavy inductive loads to minimize EMI.
- Secure a low-impedance protective earth (PE) ground strap directly from the terminal chassis grounding stud to the main cabinet earth bus bar.
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Testimonials
Fast Delivery, Excellent Quality
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
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- Michael Anderson