The Allen-Bradley 2711-T5A8L1 is a monochrome, touchscreen Human-Machine Interface (HMI) from the PanelView 550 standard terminal series. Designed for robust industrial use, this terminal provides a compact and reliable interface for monitoring and controlling automated processes in various manufacturing and process control environments.
Technical Specifications
| Feature | Specification |
| Product Line | PanelView 550 (Standard Terminal) |
| Part Number | 2711-T5A8L1 |
| Display Type | Monochrome LCD (Blue Mode) |
| Display Size | 5.5 inches |
| Resolution | 256 x 128 pixels |
| Input Method | Resistive Touchscreen (128 touch cells) |
| Communication | Data Highway Plus (DH+), RS-232 (Printer Port) |
| Input Voltage | 24V DC (Range: 18–32V DC) |
| Memory | 170 KB runtime / 240 KB non-volatile application memory |
| Enclosure Rating | NEMA 4X/12, IP54/65 (Indoor use only) |
| Operating Temp | 0°C to 55°C (32°F to 131°F) |
Key Features
- Legacy Connectivity: Primarily used for integration with older Allen-Bradley PLC systems via the Data Highway Plus (DH+) network.
- Compact Interface: Its small 5.5-inch footprint makes it suitable for tight spaces in control panels.
- Durable Design: Built to withstand harsh industrial environments, featuring a resistive touchscreen that can be operated with fingers or a stylus.
- Integrated Diagnostics: Supports real-time monitoring and basic alarming to help maintenance teams reduce downtime.
Usage and Maintenance
- Application Software: Projects for this terminal are typically developed using PanelBuilder32 software.
- Maintenance: The unit features a battery-backed real-time clock (RTC). Ensure periodic checks if timestamps for logged data or alarms are critical.
- Lifecycle Status: This product is discontinued/obsolete. While still widely used in legacy systems, replacement units are typically sourced through industrial surplus or refurbished automation parts providers.
