Re: [foxboro] Question about OR usage in CALC function block logic

  • From: Richard Peck <lovetomix@xxxxxxxxx>
  • To: foxboro@xxxxxxxxxxxxx
  • Date: Wed, 8 Aug 2012 16:13:04 +1000

produces a "1" or "TRUE"...

no problems :) you can also connect a real to a boolean input

On 8 August 2012 11:25, Quay B. Finefrock <qbfinefrock@xxxxxxxxx> wrote:
> Good day ladies and gents,
> What happens in a CALC function block when an OR function is used with a
> stack that includes a real value.  For example, what is written out to BO01
> in the following case?
>
> IN BI01;  = False
> IN RI01;  = 13.0
> IN BI02;  = False
> IN BI03;  = False
> OR;
> OUT BO01 = ?
>
> Does this produce an error?  Does the result depend on the value of RI01?
>
> I am reverse-engineering some old I/A logic and I do not have access to a
> simulator to test and see what will happen in this situation.  Can someone
> please help me out?
>
> Regards,
>
> Quay
> --
>
> Quay B. Finefrock
> PSD Controls Pte. Ltd.
> Phone: +65 9327 2923  (Singapore)
>                +673 883 1480 (Brunei)
>                +60 17 820 6900 (Malaysia)
> Email: Quay@xxxxxxxxxxxxxxxx
>
>
>
>
>
>
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