A specific dual the Distributed Process Unit(DPU) in DCS is used to realize the function of furnace safety system(FSS) and burner control system(BCS) during furnace start-up phase and normal run.

• 在DCS中；用一对独立的控制器(DPU)实现在锅炉启动过程及常规运行时都适用的炉膛安全系统(FSS)和燃烧器控制系统(BCS)的功能.