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Description

The 2711-K5A16L3 functions as a highly specialized industrial visualization station within the Allen-Bradley PanelView Standard 550 operator interface series. This terminal delivers deterministic, real-time peripheral control and machine-level diagnostics when integrated with a programmable logic controller. Purpose-built for high-availability industrial configurations—such as waste management facilities, material handling distribution centers, and secondary chemical processing loops—the hardware replaces mechanical pilot lights and control switches. By executing graphic rendering matrices and local alarm banner generation on its dedicated processor, the terminal limits backplane bus load and significantly reduces network-induced system downtime.

Data Links and Communications Layout

The internal communication layer leverages a dual-channel RS-232 serial architecture to handle concurrent control link monitoring and printing processes. The primary RS-232 serial interface utilizes native Allen-Bradley DF1 point-to-point protocol layers, ensuring a low-latency, noise-immune pipeline for active register mapping and instruction updates. The secondary RS-232 configuration provides an isolated channel dedicated to hardcopy printing utilities or application firmware transfers via an external PC link. Memory storage limits are flexible through an onboard PCMCIA slot, accommodating standard memory flash cards from 2 MB to 32 MB to handle recipe storage, text font tables, and complex automation graphics.

Features

  • Rugged membrane keypad with 10 assignable function keys (F1-F10), numeric, and navigation panels.
  • Monochrome transflective LCD blue mode display with solid-state LED backlight.
  • Field-serviceable backlight (Part 2711-NL1) with 100,000-hour rating.
  • Integrated battery-backed real-time clock (RTC) for sequence-of-events logging.
  • Dual RS-232 serial ports for DF1 communication and printing/firmware updates.
  • PCMCIA slot for expandable memory storage.

Technical Specifications

Model 2711-K5A16L3
Display Size 5.5 inch diagonal
Resolution 256 x 128 Pixels
Input Voltage 85 to 264 VAC
Line Frequency 47 to 63 Hz
Application RAM 170 KB
Non-volatile Storage 240 KB
Enclosure Rating NEMA 12, 13, 4X, IP54, IP65

Installation Guidelines

  • Ensure the panel cutout is clean and free of debris before mounting the terminal.
  • Use the provided mounting clips to secure the unit to the enclosure, ensuring an even seal to maintain NEMA/IP ratings.
  • Verify that the input power supply is within the 85-264 VAC range before applying power.
  • Route communication cables away from high-voltage power lines to prevent EMI interference.
  • Power down the unit before inserting or removing PCMCIA memory cards.
  • Ensure adequate ventilation around the rear of the unit to maintain operating temperature limits.

FAQ

What is the primary communication protocol for this HMI?

The 2711-K5A16L3 primarily utilizes the Allen-Bradley DF1 point-to-point protocol via its RS-232 serial interface.

Is the backlight replaceable?

Yes, the LED backlight is field-serviceable and can be replaced using the 2711-NL1 replacement part.

What is the purpose of the PCMCIA slot?

The PCMCIA slot allows for the use of flash memory cards (2 MB to 32 MB) to store application recipes, custom text fonts, and complex graphic files.

What's clients say about us

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