GU621A Genset Controller Main Features 128×64 graphic LCD True RMS measuring Configuration of parameters by front panel push buttons or communication software RS485，RS232，or USB port for remote communication Configurable fuel output energise to stop or energise to run 7 Configurable inputs 5 Configurable outputs，2 used for ATS control 2 Analogue inputs configurable for different senders for Oil pressure and Engine temperature 2 Aux. Configurable analogue inputs Push Buttons for manual control of GCR/MCR