The Allen-Bradley 2711P-K4M20A8 terminal is a display terminal that is available from the Allen-Bradley PanelView Plus 6 series of terminals. Its display screen is 3.5 inches wide and its graphics are grayscale graphics. The 2711P-K4M20A8 terminal does not support a touchscreen, but it has a keypad for control. It also has 256 MB of RAM. The 2711P-K4M20A8 terminal has Ethernet and RS-232 communication ports as well as USB host and USB device ports.

The Allen-Bradley 2711P-K4M20A8 is part PanelView Plus 6 400 Monochrome operator terminal. This operator terminal or Human Machine Interface (HMI) device is ideally used in micro and small automation requirements. It is a compact electronic device that permits addition of components as required by the process.

The 2711P-K4M20A8 is powered by an external supply voltage ranging 100-240V AC along frequency of 50-60 Hz. It has a maximum power consumption of 35VA and typical consumption of 20VA. This operator terminal comes with a Battery-backed clock that timestamps critical data with accuracy of ±2 minutes per month. The battery is expected to last up to 4 years when operated at a minimum temperature of min at 25 °C (77 °F). This battery is field replaceable with catalog number 2711P-RY2032 or any equivalent CR2032 coin-cell lithium battery.

The 2711P-K4M20A8 has a system memory amounting to 256 Random Access Memory (RAM) and 512 Non-volatile memory with approximately 73 MB free user memory. This system memory may be expanded by installation of a Secure Digital (SD) Card. USB flash drives may also serve as removable storage by inserting to any of the available USB ports.

This operator terminal comes with a variety of communication interfaces such as One (1) RS232 and One (1) Ethernet communication ports. Two (2) USB ports are also available that permits installation of USB and keyboard and USB as mentioned previously.

The 2711P-K4M20A8 has a visualization screen that is a Monochrome LCD and Keypad assembly provided as the main operator interface.

The Ethernet/IP (Ethernet Industrial Protocol) is an open industrial network that supports real time I/O messaging, as well as message exchange. The Ethernet port connects to a controller on an EtherNet/IP network by using both the network and standard Ethernet connections. This port can work with application transfers and printing as well. The 2711P-RN20 Ethernet communication module is available for the 700 to 1500 terminals if another Ethernet port is required. The module has its own unique IP address. This port has an RJ45, 10/100Base-T connector for network communication and supports MDI/MDI-X connections. The parameters are downloaded with the application.

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