>> P.329
DurabilityofcablesusedwiththelinearscaleThelifeexpectancyofthelinearscalecableshasbeentestedusingthemethodsshownbelow.TestmethodATestmethodBATensilestrength:Approx.1NApprox.90°Approx.90°BR50CBendfulcrumHard-wiredbandTestconditionsBendangle:±90°Testspeed:30timesperminute(Forthenumberofbends,A,B,A,C,andthenArepresentsonebend.)Bendradius:R=50mmEvaluationstandardvalue:3000000times(Nobreaksinthesignalwiresorshield)FixedcableMovablecableOnehalfslidingdistance500mmTestconditionsBendradius:R=40mmSpeed:2m/sTraveldistance:1000mmArclength80mmTestmethodSignalcable*1testresultAABBBBB3milliontimes40milliontimesormore30milliontimesormore*2ScalesAT100SeriesAT211ST36ST700SeriesST1300SeriesAT1100SeriesAT1300Series*1Alsoincludingtheheadcable*2TestingstillongoingasofJuly2020Note1:Thetestdatastatedabovedoesnotrepresentguaranteedvalues.Dependingonthebendconditions,thenumberoftimesthatthecablescanbendwithoutfailuremaybelessthanindicated.Note2:Whenbendingcables,therecommendedbendradiusis100mmormore.7-52
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