IS200SHRAH2A
IS200SHRAH2A
IS200SHRAH2A
system which require high processing ability and reliability of controller. In distributed control system, the realization of distributed control idea is due to the development and application of network technology, unfortunately, different DCS manufacturers to achieve the purpose of monopoly management and the control of the communication network with their own special closed form, It is difficult to realize network interconnection and information sharing between DCS systems of different manufacturers and between DCS and the upper Intranet and Internet information network. Therefore, the distributed control system from this point of view is essentially a closed and special, not interoperable distributed control system and DCS cost is expensive. In this case, the users of the network control system to open and reduce the cost of urgent requirements.
4. Fieldbus control system (FCS) : FCS is born in accordance with the above trend, it uses fieldbus this open, with interoperable network will be the field controller and instrument equipment interconnection, constitute fieldbus control system, at the same time the control function is completely down to the site, reduce the installation cost and maintenance cost. Therefore, FCS is essentially an open, interoperable,
completely decentralized distributed control system,
