... display, programmable on front panel or through Link port.HGM6110CGenset controllerIncreasing RS485 com port base on HGM6110.HGM6120AMF genset ... parameter detecting and display, programmable on front panel and through Link port. Pre-alarm/shutdown, schedule running, RS232 ... Switch power module, auto charging, suitable for panel inner installation.HGM170REexpanding relay moduleExpanding 4 pcs 30A ...