PLC, RTU, HMI Halıcı Grup > OUR PRODUCTS > PLC, RTU, HMI Abbreviated as HMI (Human Machine Interface), it serves as interface that establishes communication between machine and human. It is referred to as ‘Operatör Paneli’ (‘Operator Panel’) in Turkish. Having gained much importance recently in automation, it helps the robust operation and control of the automation system. RTU (Remote Terminal Unit) is a microprocessor-controlled electronic device that establishes communication between physical field equipment and SCADA system, transmits the signal and data from the field to the master supervisory system and conveys the commands from the master supervisory system to the field. PLC (Programmable Logic Controller) , is a device that is used for the control of processes such as the control of manufacturing lines or machinery in plants. PLC,RTU,HMI PRODUCTS ABB PLC Manufactured by ABB as the leader in technology, ABB PLCs are modular products with advanced features, which are proven for high quality and reliability. ABB RTU Manufactured by ABB as the leader in technology, ABB RTUs are modular products with advanced features, which are proven for high quality and reliability. ABB HMI The most key feature of ABB HMI control panels that makes them distinguished from their competitors is the easy access to the most complex plant data with a simple screen touch thanks to their easy-to-use features.