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P&ID: 121 <br /> CS: #13 <br /> LOCATION: Reservoir <br /> TITLE: Altitude Fill Valve PRV13 <br /> DESCRIPTION: <br /> This control strategy controls the automatic physical enabling of the Altitude Fill <br /> Valve PRV13. This valve will be called during emergencies. <br /> INPUTS & OUTPUTS: <br /> LOGICAL INPUTS: <br /> Y13 - PRV13 Auto/Manual <br /> LOGICAL OUTPUTS: <br /> X13 - PRV13 Close/Null <br /> X13 - PRV13 Enable/Null <br /> VARIABLE INPUTS: <br /> None <br /> VARIABLE OUTPUTS: <br /> None <br /> SETPOINT REGISTERS: <br /> SPT'l3A - PRV13 Operate Delay Sec <br /> TIMERS: <br /> K13A - PRV13 Operate Timer Sec <br /> COUNTERS/TOTALIZERS: <br /> None <br /> CONTROL: <br /> Modify Existing PRV control for new valve. <br /> TIMERS: <br /> None. <br /> CALCULATIONS: <br /> None. <br /> ALARMS: <br /> None. <br /> 20 <br />