On normal process valve, The control valve controlled normaly by level control. If the PV Rise Up Until Reach High Level Alarm. Controller will send command to control valve for 100% open. If the PV decrease until reach low level alarm, controller will send command to control valve for 0% Close (Shut Off).
Instrument Control Function Detail
The different temperature between TEG contactor inlet and TEG cooler inlet is monitored by TDC. The different temperature will be calculated and use for controlling TEG cooler.
Instrument Control Function Detail
Other controllers
The controller will used simple loop type with direct -reverse acting list as follows:
No comments:
Post a Comment