وصف
The Allen-Bradley 2711-K5A5 is a compact HMI operator terminal belonging to the PanelView 550 Standard series. Engineered for real-time process monitoring and machine control, this terminal integrates with various controller platforms, including Allen-Bradley PLC-5, SLC 500, CompactLogix, MicroLogix, and ControlLogix systems. Its small form factor and robust performance make it suitable for localized control stations in discrete manufacturing and small-scale automation environments.
Features
- 5.5-inch blue-mode monochrome LCD display with 256 x 128 pixel resolution.
- Keypad interface featuring 10 configurable function keys (F1-F10) for precise command execution.
- Integrated RS-232 serial communication port supporting the DH-485 protocol.
- Field-replaceable LED backlight for extended operational lifespan.
- Supports up to 16 user-generated passwords per application for enhanced security.
Applications
This terminal is designed for industrial environments requiring reliable operator-to-machine interaction. Typical applications include machine status monitoring, alarm management, and setpoint adjustment in small-to-medium scale automation systems.
Technical Specifications
| Model |
2711-K5A5 |
| Display Type |
Monochrome Transflective LCD |
| Display Size |
5.5 inches |
| Resolution |
256 x 128 pixels |
| Input Voltage |
85 to 264 VAC |
| Input Frequency |
47 to 63 Hz |
| Communication |
RS-232 (DH-485) |
| Memory |
170 KB runtime; 240 KB non-volatile |
| Enclosure Rating |
NEMA 12/13, 4X (Indoor), IP54, IP65 |
| Operating Temperature |
0 to 55 degC |
Installation Guidelines
- Ensure the unit is flush-mounted in a suitable enclosure to maintain NEMA/IP ratings.
- Verify that the power supply voltage matches the 85-264 VAC input range before connection.
- Maintain adequate clearance around the unit to ensure proper ventilation and prevent overheating.
- Use shielded communication cables for RS-232 connections to minimize EMI interference.
- Power down the unit before performing any maintenance or replacing the backlight assembly.
FAQ
What controllers are compatible with the 2711-K5A5?
The terminal is compatible with Allen-Bradley PLC-5, SLC 500, CompactLogix, MicroLogix, and ControlLogix systems via the DH-485 protocol.
Can the backlight be replaced in the field?
Yes, the 2711-K5A5 is designed with a field-replaceable LED backlight to ensure long-term operational availability.
