This functions as a continiously monitor and control the operation of a power generator. This device is equipped to displaying multiple critical engine and electrical parameters on 128 64 pixels back lit lcd display. Pcm can display more than 7 variables in 5 different formats. It gives a digital o/p with a current capacity suitable to energise solenoid to shutdown engine. Five soft touch keys enables user to scroll through various pages and to configure the functionality. This instrument is also equipped with digital o/p for alarm and with an rs232, Serial port for communication and remote reading of parameters.