Fieldbus Technology Used in Offshore Petrochemical Industry

Water purification equipment of large chemical fertilizer project,which belongs to China national offshore oil corp,Hainan,is supplied with the SMAR Corporation's control system of Foundation Fieldbus.This control system can precisely select and control the local signals of pressure,flux,level and so on and transport the digital signals to PLC LC700 directly for the interlock control,so this control system not only can decrease the labor of operation workers,but also offer convenience of maintenance and save cost of investment and maintenance of advice.