The Allen-Bradley 2705-K11C1 device is an Allen-Bradley 2705 keypad-controlled panel module that is part of te RediPANEL product line of industrial operator modules which are electronic pushbutton modules that combine an array of push buttons, LED indicators, numeric keypads, and alpha-numeric display screens together with a network interface and a power supply to control machines. The 2705-K11C1 module comes in a NEMA 4/4X rated protective enclosure which is designed for indoor use. The 2705-K11C1 module runs on 120 to 240 Volts AC power. Allen-Bradley also provides a DC power option. The 2705-K11C1 module connects with an Allen-Bradley PLC over a remote I/O communication link and it provides operators with the ability to retrieve and input application data. The 2705-K11C1 module can also work as a single-line message display screen.

The features available on the 2705-K11C1 pushbutton module include a 16-character alphanumeric display, a numeric keypad with Enter, Delete, Polarity, and Decimal keys, 6 programmable function keys, a remote I/O interface which can support 10,000 feet of network segment length, message storing and editing, diagnostics, and IBM based keypad programming software. The 2705-K11C1 module's enclosure is rated with an IP 66 protection rating. The working and storage temperature ranges are 32 to 140 degrees Fahrenheit and -40 to 184 degrees Fahrenheit, respectively. The ambient relative humidity level should be kept between 5 and 95%. The universal remote I/O communication interface supports 230.4 kbps, 115.2 kbps, and 57.6 kbps communication rates. The combination of features available on the 2705-K11C1 module provides the operators with an economical and easy-to-use interface for applications that require numeric input and a display output. An optional IBM computer-based keypad programming software for message development, off line storage, and data transfer is also available.