Graphic Operation Controller with SD Card - an integrated PLC HMI GOC is an integrated controller with an inbuilt HMI with Serial, Ethernet and MODBUS Connectivity. The controller has an I/O Capacity of 48 and it also supports analogue I/Os. GOC comes with an annunciator, PB Lamps and Customizable MIMIC. The product is first of its kind in Mitsubishi Electric India’s product basket and is aimed to meet the Low-end automation needs of the Indian and global markets.