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CS: #70 <br /> 1TITLE. Flow <br /> lI1{ ACL'.II Tank) <br /> DESCRIPTION: <br /> This strategy shall determine the typical flow readout and alarms. This is a typical <br /> strategy,for the following instruments: <br /> P&ID Input Rate Units Alarm Pump On Total Non- Total Totalize Average <br /> # Resettable Resettable Units <br /> 121 F74 GPM FAHL74 -- FIQ74A FIQ74B KCAL F74V <br /> INPUTS; / OUTPUTS: <br /> LOGICAL INPUTS: <br /> Q74 - Totalize Pulse Total Gallons <br /> R99D - SCADA Reset/Null <br /> R99B - Station Reset/Null <br /> R741R - Total Flow Totalization Reset/Null <br /> LOGICAL OUTPUTS: <br /> FAHL74 - Flow XDCR Fail/Ok <br /> U74HL - Flow XDCR Alarm Enable/Disable <br /> VARIABLE INPUTS: <br /> F74 - Flow GPM <br /> VARIABLE OUTPUTS: <br /> F74V - Flow Avg GPM <br /> SETPOINT REGISTERS: <br /> SP74HH - Hi XDCR Alm Flow GPM <br /> SP74K - Flow Avg Factor Constant <br /> SP74LL - Lo XDCR Alm Flow GPM <br /> SPT-1 7 4HL - XDCR Fail Alm Dly Seconds <br /> TIMERS: <br /> K74HL - XDCR Fail Alm Timr Seconds <br /> COUNTERS/TOTALIZERS: <br /> FIQ74A - Flow Non-Reset Total Gallons _ Constant <br /> FIQ74B - Flow Resettable Total Gallons _ Constant <br /> CONTROL: <br /> See CS#8 for acknowledge routine. <br /> TIMERS: <br /> See timer K74HL in Alarms. <br /> 16 <br />