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CS: #50 <br /> TITLE: Level <br /> DESCRIPTION: <br /> This strategy shall determine the typical Level readout and alarms. This is <br /> a typical strategy for the following instruments: <br /> P&ID # Mput Alarm <br /> 12 L51 LAH51, LAHL51, LAL51 <br /> INPUTS / OUTPUTS: <br /> LOGICAL INPUTS: <br /> None <br /> LOGICAL OUTPUTS: <br /> LAH51 - Wetwell High Level Alarm/Ok <br /> LAHL51 - Wetwell XDCR Fail/Ok <br /> LAL51 - Wetwell Low Level Alarm/Ok <br /> U51 I� - Wetwell High Alm Enable/Disable <br /> U51 HL - Wetwell Xdcr Alm Enable/Disable <br /> U51 L - Wetwell Low Alm Enable/Disable <br /> VARIABLE INPUTS: <br /> L51 - Wetwell Level Feet <br /> VARIABLE OUTPUTS: <br /> None <br /> SETPOINT REGISTERS: <br /> SP5'I H - Wetwell High Level Alm Feet <br /> SP5'I HH - Wetwell High XDCR Level Feet <br /> SP51 L - Wetwell Low Level Alm Feet <br /> SP5'I LL - Wetwell Low XDCR Level Feet <br /> SPT51 H - Wetwell Hi Level Alm Dly Seconds <br /> SPT51 HI- - Wetwell Xdcr Fail Alm Dly Seconds <br /> SPT51 L - Wetwell Lo Level Alm Dly Seconds <br /> TIMERS: <br /> K51 H - Wetwell High Lvl Alm Timer Seconds <br /> K51 HL - Wetwell Xdcr Fail Alm Timer Seconds <br /> K51 L - Wetwell Low Lvl Alm Timer Seconds <br /> COUNTERS/TOTALIZERS: <br /> None <br /> CONTROL: <br /> See CS#8 for acknowledge routine. <br /> 14 <br />