The MD-HMI is a 16 button keypad with an integrated 4 line LCD display that connects easily to TRi PLCs via 10-pin and 14-pin headers. 

•  4 x 20 LCD           
•  16 Button Inputs           
•  8 LED Indicators            
•  Simple Connection           
•  Easy, one line display programming           
•  Buttons are auto-detected as inputs

The MD-HMI comprises one 4 lines x 20 characters backlit LCD display; a 16 keys keypad and 8 LEDs. This module is plugged into the LCD port and the expansion port of the PLC. It does not use up any of the PLC's I/O. The keys and the LEDs appear as expanded I/Os to the CPU.                                

                               ▸ Numeric keypad data entry is much easier.
                               ▸ Professional looking front bezel.
                               ▸ A standard Lexan cover is included, but OEM users could also make their own customized Lexan cover.