Compact Sequence Controller/ Monitoring System is designed specifically for use in commercial water purification plants based on reverse osmosis and similar technologies. The System is available with data logging and user-friendly graphical user interface for configuration, remote operator interface and mimic diagram depicting status of the process. The System is designed with 2 line X 16 character LCD on the front panel allows display of parameters such as input and output ph etc. Compact Sequence Controller/ Monitoring System is made of quality grade raw material which ensures optimum durability along with long lasting trouble free service.