2711-K5A1 PanelView 550 5.5" Monochrome Keypad Terminal Discontinued
2711-K5A1 Allen-Bradley 5.5-inch monochrome HMI keypad terminal RIO RS232 85-264V AC PanelView 550 obsolete industrial operator interface
Product Overview
- 2711-K5A1 is a PanelView 550 series industrial HMI terminal by Allen‑Bradley
- 5.5‑inch monochrome STN display with physical keypad for process control
- Equipped with Remote I/O (RIO) and RS‑232 printer port; AC powered
Status: Obsolete/Discontinued – available as refurbished or surplu
Core Features
- 5.5" monochrome display (256×128 pixels)
- Integrated 24‑key keypad with 10 programmable function keys (F1–F10)
- Remote I/O (RIO) communication interface
- RS‑232 port for printer connection or data transfer
- 85–264V AC wide‑range power supply
- Panel mount design for industrial control panels
Memory: 170 KB application runtime, 240 KB nonvolatile RAM

Technical Parameters
- Brand: Allen‑Bradley / Rockwell Automation
- Part Number: 2711-K5A1
- Series: PanelView 550
- Display: 5.5" monochrome STN, 256×128 pixels
- Input: 24‑key tactile keypad (F1–F10 programmable)
- Communication: Remote I/O (RIO), RS‑232
- Power Supply: 85–264V AC, 50/60 Hz
- Operating Temperature: 0°C to +55°C
- Storage Temperature: -25°C to +70°C
- Humidity: 5%–95% non‑condensing
- Dimensions (W×H×D): 266 × 167 × 106 mm
- Weight: ~1.2 kg
Certifications: CE, UL, CSA
Applications
- Industrial machine control and process monitoring
- Manufacturing lines, material handling, and packaging equipment
- Retrofit and replacement for older Allen‑Bradley HMI systems
Factory floor operator interface with keypad input preference
Compatibility & Replacement
- Compatible with Allen‑Bradley PLCs via RIO (ControlLogix, PLC‑5, SLC 500)
- Direct replacement for earlier PanelView 550 keypad models
- Common replacements: 2711‑K5A2, 2711P‑K4M20D8 (PanelView Plus)
Leave Your Message
Write your message here and send it to us













