115
Parameter
ThepulsewidthTHandtheinter-pulsewidthTLcanbeprovidedbytheactualvalueofanother
already-programmedfunction:
Analogcomparator:Ax – Ay
Analogtrigger:Ax
Analogamplifier:Ax
Analogmultiplexer:AQ
Analogramp:AQ
Analogmath:AQ
PIcontroller:AQ
Datalatchingrelay:AQ
Up/Downcounter:Cnt
Thevalueof "TH","TL"canbeset/modifiedinparametermode.Forinformationabouthowto
modify,refertochapter5.2.2please.
Timingdiagram
T
L
=0;N=1
Descriptionofthefunction
WiththechangeatinputTrgto1,thetimeT
L
(timelow)istriggered.AfterthetimeT
L
hasexpired,output
Qissetto1forthedurationofthetimeT
H
(timehigh).
IfinputTrgisretriggeredpriortotheexpirationofthepresettime(T
L
+T
H
),thetimeTaisresetandthe
pulse/pauseperiodisrestarted.
Ifretentivityisnotset,outputQandthetimeareresetafterapowerfailure.
SettingtheParparameter
Viewinprogrammingmode(example):
whenT
H
hasexpired.