The 2711-K9C1 comes with a Remote I/O communication (RIO) communication ports that is capable of being installed in multiple node communication following daisy-chain topology and RS485 standard. The secondary port which is the RS232 communication interface is used to implement communication between an alarm printer for documentation and historization of alarm reports and events.
This Human Machine Interface (HMI) device features an AC input rating of 110VA, and an input voltage of 85 to 264 Volts AC at 47 to 63 Hertz. It makes controlling and monitoring the machine function easy with its keypads and display screen. It displays information to users graphically through the 9-inch color screen with a 640 x 480 pixels resolution and 171 x 130 millimeters (6.73 x 5.12 inches) display dimensions. The display screen has a Cold Cathode Fluorescent (CCF) backlight and it uses colored indicator lights to display the COMM and FAULT status of the machine. The user can input application information through the keypad with its 16 function keys for initiating display functions and navigational cursor keys for selecting and changing the modes displayed on the screen.
