<Appendix 3.
Arithmetic (Ar) Block>
258
IM 01E21A02-03EN
A3.2.4 Relationship between the Main Inputs and PV
The value and PV status are determined with the statuses of two main inputs, INPUT_OPTS,
and RANGE_LO and RANGE_HI.
• Ifthestatusesoftwomaininputsareboth“good”,
orbothstatusesoftwomaininputsareotherthan“good”,
See A3.2.1 Main Inputs.
• Ifonlyoneofthemaininputshas“good”statusafterapplicationofINPUT_OPTS,
the PV value is determined as follows:
−IfthestatusofINis“good”andthestatusof“IN_LO”isanythingotherthan“good”,
IN>RANGE_LO => PV=IN
IN≤RANGE_LO => SeeA3.2.1.
−WhenthestatusofINisotherthanGoodandthestatusofIN_LOisGood,
IN_LO<RANGE_HI => PV=IN_LO
IN_LO≥RANGE_HI => SeeA3.2.1.
RANGE_LO
RANGE_HI
PV = IN_LO
PV = IN
PV = g 3 IN + (1-g) 3 IN_LO
PV = g 3 IN + (1-g) 3 IN_LO
IN
IN_LO
FA0303.EPS
If the status of IN is “good” and that of “IN_LO” is
anything other than “good”
If the status of IN is anything other than “good”
and that of “IN_LO” is “good”
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