FCS is a new generation of control system after DCS, it represents an unreversed developing direction that digital devices, network devices,control functions,devices management are used in local machines.

• 现场总线控制系统是继分散控制系统之后出现的新一代控制系统，它所代表的是一种数字化到现场、网络化到现场、控制功能到现场和设各管理到现场的不可逆转的发展方向。