Allen-Bradley 2711-B5A20L1 — Operator Terminals

Part number	2711-B5A20L1
Brand	Allen-Bradley
Category	HMI
Description	Operator Terminals
Manufacturer	Allen Bradley
Product Type	Operator Terminals
Product Line	Panelview 550
Part Number	2711-B5A20L1
UPC	611320575163
Weight	4.75 lbs (2.15 kg)
Backlight	100,000 hr LED backlight life
Input Type	Keypad / Touch
Product Family	PanelView Standard Terminals
Display Type	Monochrome LCD blue mode display
Display Area	120 x 60 mm (4.75 x 2.38 in.)
Resolution	256 x 128
Touchscreen	Touch cells: 128 Actuation: 1 million presses
Keypad function keys	10 function keys (F1…F10)
Application memory	170 KB application runtime; 240 KB nonvolatile memory (application objects plus text and bitmaps)
Communication ports	Ethernet
Input Voltage range	18…32V DC (24V DC nominal supply)
Accessories	function key legend inserts; Anti-glare overlays; backlight replacements; Real-time clock replacements; Mounting hardware; Power supply and terminal block; interface modules;
Display Size	5.5 in.
Display Color	Monochrome LCD blue mode
Communication	EtherNet/IP Communication and RS-232 Printer Port
Input Power	24V DC
Memory	170 KB application runtime
Communication Cable	Standard Ethernet
Series	A,B,C,D,E,F,G,H
Product Lifecycle Status*	Discontinued/Obsolete
Status	Discontinued / obsolete — sourced from stock & secondary market

The Allen Bradley 2711-B5A20L1 is an Allen Bradley PanelView 550 Standard Operator Terminal. This operator terminal is powered by an external 18-32V DC supply voltage and has a 5.5-inch display with embedded Ethernet communication and RS232 printer ports. It has ten (10) Function keys and a Touchscreen operator interface.

Also written as

2711-B5A20L1/A2711-B5A20L1/B2711-B5A20L1/C2711-B5A20L1/D2711-B5A20L1/E2711-B5A20L1/F2711-B5A20L1/G2711-B5A20L1/H2711-B5A20L1X611320575163

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.