PI3043ie / PI3043ieS-N HMI Wecon PI 4.3 inch HMI: PI3043ie Ports use 7P Terminals, which extremely save space. Hardware: Cortex A35 1.2GHz, 128M FLASH+ DDRII 64MB. Display size: 4.3 inch. Resolution: 480×272 TFT LCD, 16,000K colors. Interface: RS232, RS422 / RS485 (2 in 1)