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IF not work

Forum: Runtime 🇬🇧

Creator: alverman

Created: 2017-10-06

Updated: 2017-10-07

alverman - 2017-10-06

Good morning,
do you think this code does not produce a result in the vaiabile TapCucStat?

This code is in ST and the TOF is in LD

IF PLC_PRG.TOF_Open_Cucina.Q = TRUE AND PLC_PRG.TOF_Open_Cucina.ET = T#35S THEN TapCucStat := 35; ELSE TapCucStat := TIME_TO_INT(PLC_PRG.TOF_Open_Cucina.ET)/1000; END_IF

I see the ET value of the TOF incremented but not assigned to the variable.
Where am I wrong?

Thank you, Alberto
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teichhei - 2017-10-07

I would say because your timer is counting in the background and you may be hitting the fb at a .ET value of 35.012s or 34.985s which both doesn't equal 35s. Or are you saying that it is never assigning any value? Is the ST in a function block or in another program?

Sent from my SM-G935F using Tapatalk

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josepmariarams - 2017-10-07

May be possible that you aren t calling from anywhere tour st code?

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IF not work