PID Control Components

SC Series Product Profile Operation Views
Engineering Views DCS in Instrument Format Excellent Expandability
Application Examples High Reliability  

Application Examples

Next Ratio with cross-limiting override control
Next Three-element boiler drum level control
Others
     
Chemical Injection Control   Reactor Temperature Control
Chemical Injection Control   Reactor Temperature Control
The SC100 controls two flow loops for water and injected chemical. The chemical flow is controlled in a constant ratio against the water flow. Other signals from pH and conductivity analyzers can be monitored at once.   An example of temperature control in a batch control reactor. The reactor temperature control loop is connected in cascade to the hot water control loop in the hot water tank. The secondary loop controller controls the valves for hot water and steam.
     

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