Toshiba LF434 - Manual (Page 113)

TOSHIBA
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5. Example for pulse width:
Extimplel
Case Range ;36U0m^/h (Im^/s)
Countingrate(pulse rate) :0.[M)lm'
the pulse rate for U ) i ) % flow rate
: 3fiOO(m^/Ti) / O.Ofl l(m') =36ÜÜ0tK)puJses,h=lÜÜÜpulses/p
the pulse rale= 1ms
*the pulse width(Max.) = Ims / 2 = 0, Sirs
ExampleZ
Case Range :3rt00m^/h
Counting ratc(pu I sc rale) :lüüüm^
the pulse rute for 100% flow rale
: / ÍUÜÜ(m^) =3.6pulses/h^O.ÜÜlpulses/p
ihc pulse raic= lOOOOOOms
the pulse widíh(Max.) = 1 OÍXlOOOms
/ 2 = SOOOOOms
but, the pulse width is 300ms Max*
* the pulse widthCMax.) = SOOms
Example3
Case Range
Counting ratc(pulsSC rate)
Setting pulse width
:3ríOnm^^ (Im'/s)
:lm^
:0ms (automatically sel)
the pulse rale for I0f)% flow rate
: 36ÜO(m^/h) / l(m^) =3600pulses/h= Ipulscs/p
the pulse ratc= lOCOms
the pulse widlh(Max ) = lOOOms / 2 = 500tns
but, ihe pulse width thal automatically set is lOOms Max.
t the pulse width (Max.) = IQOms
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