The Allen-Bradley 2711-K3A2L1 is a PanelView 300 series operator interface terminal designed for industrial automation applications. This monochrome display unit features a keypad interface for operator input and is powered by a DC power supply. Although this model was discontinued by the manufacturer on June 30, 2012, it remains a critical component in legacy control systems requiring DH-485 communication connectivity.
This operator terminal is typically used in manufacturing and process control environments for monitoring machine status, adjusting setpoints, and managing alarm conditions in systems utilizing DH-485 networks.
| Manufacturer | Allen-Bradley |
| Model | 2711-K3A2L1 |
| Display Type | Monochrome |
| Display Size | 3-inch |
| Input Method | Keypad |
| Communication | DH-485 |
| Auxiliary Port | RS-232 Printer Port |
| Power Supply | DC |
Is the 2711-K3A2L1 still supported by the manufacturer?
No, this model was discontinued on June 30, 2012. It is typically sourced through surplus or refurbished channels for legacy system maintenance.
What communication protocols does this terminal support?
This unit supports DH-485 communication and includes an RS-232 port specifically for printer connectivity.
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